Texas Instruments TPS76801QDR, TPS76801QD, TPS76850QPWPR, TPS76850QPWP, TPS76850QDR Datasheet
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TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
D1 A Low-Dropout Voltage Regulator
DAvailable in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
DDropout Voltage Down to 230 mV at 1 A (TPS76850)
DUltra Low 85 A Typical Quiescent Current
DFast Transient Response
D2% Tolerance Over Specified Conditions for Fixed-Output Versions
DOpen Drain Power Good (See TPS767xx for Power-On Reset With 200-ms Delay Option)
D8-Pin SOIC and 20-Pin TSSOP (PWP) Package
DThermal Shutdown Protection
description
This device is designed to have a fast transient response and be stable with 10- F low ESR capacitors. This combination provides high performance at a reasonable cost.
PWP PACKAGE
(TOP VIEW)
GND/HSINK |
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1 |
20 |
GND/HSINK |
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GND/HSINK |
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2 |
19 |
GND/HSINK |
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GND |
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3 |
18 |
NC |
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NC |
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4 |
17 |
NC |
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5 |
16 |
PG |
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EN |
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IN |
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6 |
15 |
FB/NC |
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IN |
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7 |
14 |
OUT |
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NC |
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8 |
13 |
OUT |
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GND/HSINK |
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9 |
12 |
GND/HSINK |
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GND/HSINK |
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10 |
11 |
GND/HSINK |
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NC ± No internal connection
D PACKAGE (TOP VIEW)
GND |
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8 |
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PG |
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EN |
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2 |
7 |
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FB/NC |
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IN |
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3 |
6 |
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OUT |
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IN |
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4 |
5 |
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OUT |
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TPS76833 |
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DROPOUT VOLTAGE |
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vs |
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FREE-AIR TEMPERATURE |
LOAD TRANSIENT RESPONSE |
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103 |
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102 |
IO = 1 A |
± mV |
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Voltage |
101 |
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± Dropout |
100 |
IO = 10 mA |
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DO |
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V |
10±1 |
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CO = 10 F |
IO = 0 |
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10±2 |
±40 |
±20 |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
140 |
±60 |
TA ± Free-Air Temperature ± °C
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mV |
100 |
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in |
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CL = 10 F |
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± Change |
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Voltage ± |
50 |
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TA = 25°C |
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0 |
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Output |
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V |
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±50 |
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± A |
±100 |
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Current |
1 |
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0.5 |
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Output |
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0 |
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± |
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0 |
20 |
40 |
60 |
80 |
100 |
120 |
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160 |
180 |
200 |
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t ± Time ± s |
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright 1999, Texas Instruments Incorporated
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
1 |
TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 A over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 A at TJ = 25°C.
Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.
The TPS768xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V and 5.0-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 5.5 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS768xx family is available in 8 pin SOIC and 20 pin PWP packages.
AVAILABLE OPTIONS
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OUTPUT |
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VOLTAGE |
PACKAGED DEVICES |
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TJ |
(V) |
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TYP |
TSSSOP |
SOIC |
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(PWP) |
(D) |
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5.0 |
TPS76850Q |
TPS76850Q |
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3.3 |
TPS76833Q |
TPS76833Q |
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3.0 |
TPS76830Q |
TPS76830Q |
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2.8 |
TPS76828Q |
TPS76828Q |
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±40°C to 125°C |
2.7 |
TPS76827Q |
TPS76827Q |
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2.5 |
TPS76825Q |
TPS76825Q |
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1.8 |
TPS76818Q |
TPS76818Q |
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1.5 |
TPS76815Q |
TPS76815Q |
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Adjustable |
TPS76801Q |
TPS76801Q |
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1.2 V to 5.5 V |
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The TPS76801 is programmable using an external resistor divider (see application information). The D and PWP packages are available taped and reeled. Add an R suffix to the device type (e.g., TPS76801QDR).
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TPS768xx |
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VI |
6 |
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16 |
PG |
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IN |
PG |
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7 |
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IN |
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OUT |
14 |
VO |
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0.1 F |
5 |
13 |
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OUT |
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EN |
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CO² |
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+ |
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GND |
10 |
F |
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3 |
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² See application information section for capacitor selection details.
Figure 1. Typical Application Configuration (For Fixed Output Options)
2 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
functional block diagramÐadjustable version
IN |
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EN |
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PG |
_ |
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+ |
OUT |
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+ |
R1 |
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_ |
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Vref = 1.1834 V |
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FB/NC |
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R2 |
GND
External to the device
functional block diagramÐfixed-voltage version
IN |
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EN |
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PG |
_ |
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+ |
OUT |
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+ |
R1 |
_ |
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Vref = 1.1834 V |
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R2
GND
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
3 |
TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
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Terminal Functions ± SOIC Package |
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TERMINAL |
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I/O |
DESCRIPTION |
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NAME |
NO. |
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GND |
1 |
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Regulator ground |
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2 |
I |
Enable input |
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EN |
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IN |
3 |
I |
Input voltage |
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IN |
4 |
I |
Input voltage |
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OUT |
5 |
O |
Regulated output voltage |
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OUT |
6 |
O |
Regulated output voltage |
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FB/NC |
7 |
I |
Feedback input voltage for adjustable device (no connect for fixed options) |
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PG |
8 |
O |
PG output |
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Terminal Functions ± PWP Package |
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TERMINAL |
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I/O |
DESCRIPTION |
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NAME |
NO. |
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GND/HSINK |
1 |
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Ground/heatsink |
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GND/HSINK |
2 |
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Ground/heatsink |
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GND |
3 |
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LDO ground |
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NC |
4 |
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No connect |
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5 |
I |
Enable input |
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EN |
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IN |
6 |
I |
Input |
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IN |
7 |
I |
Input |
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NC |
8 |
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No connect |
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GND/HSINK |
9 |
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Ground/heatsink |
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GND/HSINK |
10 |
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Ground/heatsink |
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GND/HSINK |
11 |
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Ground/heatsink |
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GND/HSINK |
12 |
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Ground/heatsink |
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OUT |
13 |
O |
Regulated output voltage |
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OUT |
14 |
O |
Regulated output voltage |
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FB/NC |
15 |
I |
Feedback input voltage for adjustable device (no connect for fixed options) |
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PG |
16 |
O |
PG output |
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NC |
17 |
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No connect |
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NC |
18 |
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No connect |
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GND/HSINK |
19 |
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Ground/heatsink |
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GND/HSINK |
20 |
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Ground/heatsink |
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4 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Input voltage range³ , VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . ±0.3 V to 13.5 |
V |
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Voltage range at |
EN |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . ±0.3 V to VI + 0.3 |
V |
Maximum PG voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . 16.5 V |
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Peak output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . Internally limited |
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Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
See dissipation rating tables |
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Output voltage, VO (OUT, FB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . 7 |
V |
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Operating virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . ±40°C to 125°C |
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Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . ±65°C to 150°C |
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ESD rating, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . 2 kV |
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²Stresses beyond those listed under ªabsolute maximum ratingsº may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under ªrecommended operating conditionsº is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
³ All voltage values are with respect to network terminal ground.
DISSIPATION RATING TABLE 1 ± FREE-AIR TEMPERATURES
PACKAGE |
AIR FLOW |
TA < 25°C |
DERATING FACTOR |
TA = 70°C |
TA = 85°C |
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(CFM) |
POWER RATING |
ABOVE TA = 25°C |
POWER RATING |
POWER RATING |
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D |
0 |
568.18 mW |
5.6818 mW/°C |
312.5 mW |
227.27 mW |
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250 |
904.15 mW |
9.0415 mW/°C |
497.28 mW |
361.66 mW |
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DISSIPATION RATING TABLE 2 ± FREE-AIR TEMPERATURES |
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PACKAGE |
AIR FLOW |
TA < 25°C |
DERATING FACTOR |
TA = 70°C |
TA = 85°C |
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(CFM) |
POWER RATING |
ABOVE TA = 25°C |
POWER RATING |
POWER RATING |
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PWP# |
0 |
2.9 W |
23.5 mW/°C |
1.9 W |
1.5 W |
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300 |
4.3 W |
34.6 mW/°C |
2.8 W |
2.2 W |
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PWP|| |
0 |
3 W |
23.8 mW/°C |
1.9 W |
1.5 W |
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300 |
7.2 W |
57.9 mW/°C |
4.6 W |
3.8 W |
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#This parameter is measured with the recommended copper heat sink pattern on a 1-layer PCB, 5-in ×5-in PCB, 1 oz. copper, 2-in × 2-in coverage (4 in2).
||This parameter is measured with the recommended copper heat sink pattern on a 8-layer PCB, 1.5-in ×2-in PCB, 1 oz. copper with layers 1, 2, 4, 5, 7, and 8 at 5% coverage (0.9 in2) and layers 3 and 6 at 100% coverage (6 in2). For more information, refer to TI technical brief SLMA002.
recommended operating conditions
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MIN |
MAX |
UNIT |
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Input voltage, VIk |
2.7 |
10 |
V |
Output voltage range, VO |
1.2 |
5.5 |
V |
Output current, IO (Note 1) |
0 |
1.0 |
A |
Operating virtual junction temperature, TJ (Note 1) |
± 40 |
125 |
°C |
k To calculate the minimum input voltage for your maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load). NOTE 1: Continuous current and operating junction temperature are limited by internal protection circuitry, but it is not recommended that the
device operate under conditions beyond those specified in this table for extended periods of time.
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
5 |
TPS76815Q, TPS76818Q, TPS76825Q, TPS76827Q TPS76828Q, TPS76830Q TPS76833Q, TPS76850Q, TPS76801Q
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SLVS211B ± JUNE 1999 ± REVISED JULY 1999
electrical |
characteristics |
over |
recommended operating free-air temperature |
range, |
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Vi = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, CO = 10 F (unless otherwise noted) |
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PARAMETER |
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TEST CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
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TPS76801 |
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5.5 V ≥ |
VO ≥ |
1.2 V, |
TJ = 25°C |
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VO |
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5.5 V ≥ |
VO ≥ |
1.2 V, |
TJ = ±40°C to 125°C |
0.98VO |
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1.02VO |
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TPS76815 |
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TJ = 25°C, |
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2.7 |
V < VIN < 10 V |
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1.5 |
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TJ = ±40°C to 125°C, |
2.7 |
V < VIN < 10 V |
1.470 |
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1.530 |
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TPS76818 |
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TJ = 25°C, |
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2.8 |
V < VIN < 10 V |
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1.8 |
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TJ = ±40°C to 125°C, |
2.8 |
V < VIN < 10 V |
1.764 |
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1.836 |
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TPS76825 |
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TJ = 25°C, |
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3.5 |
V < VIN < 10 V |
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2.5 |
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Output voltage |
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TJ = ±40°C to 125°C, |
3.5 |
V < VIN < 10 V |
2.450 |
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2.550 |
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TJ = 25°C, |
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3.7 |
V < VIN < 10 V |
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2.7 |
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(10 µA to 1 A load) |
TPS76827 |
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V |
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TJ = ±40°C to 125°C, |
3.7 |
V < VIN < 10 V |
2.646 |
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2.754 |
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(see Note 2) |
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TPS76828 |
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TJ = 25°C, |
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3.8 |
V < VIN < 10 V |
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2.8 |
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TJ = ±40°C to 125°C, |
3.8 |
V < VIN < 10 V |
2.744 |
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2.856 |
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TPS76830 |
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TJ = 25°C, |
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4.0 V < VIN < 10 V |
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3.0 |
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TJ = ±40°C to 125°C, |
4.0 |
V < VIN < 10 V |
2.940 |
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3.060 |
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TPS76833 |
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TJ = 25°C, |
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4.3 V < VIN < 10 V |
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3.3 |
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TJ = ±40°C to 125°C, |
4.3 |
V < VIN < 10 V |
3.234 |
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3.366 |
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TPS76850 |
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TJ = 25°C, |
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6.0 |
V < VIN < 10 V |
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5.0 |
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TJ = ±40°C to 125°C, |
6.0 |
V < VIN < 10 V |
4.900 |
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5.100 |
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Quiescent current (GND current) |
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10 µA < IO < 1 A, |
TJ = 25°C |
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85 |
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µA |
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EN = 0V, (see Note 2) |
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IO = 1 A, |
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TJ = ±40°C to 125°C |
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125 |
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Output voltage line regulation ( VO/VO) |
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VO + 1 V < VI ≤ 10 V, |
TJ = 25°C |
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0.01 |
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%/V |
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(see Notes 2 and 3) |
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Load regulation |
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3 |
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mV |
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Output noise voltage |
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BW = 300 Hz to 50 kHz, |
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190 |
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µVrms |
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CO = 10 µF, |
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TJ = 25°C |
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Output current Limit |
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VO = 0 V |
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1.7 |
2 |
A |
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Thermal shutdown junction temperature |
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150 |
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°C |
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= VI, |
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TJ = 25°C, |
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EN |
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1 |
|
µA |
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2.7 |
V < VI < 10 V |
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Standby current |
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TJ = ±40°C to 125°C |
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EN = VI, |
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10 |
µA |
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2.7 V < VI < 10 V |
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FB input current |
TPS76801 |
|
FB = 1.5 V |
|
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2 |
|
nA |
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High level enable input voltage |
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1.7 |
|
|
V |
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Low level enable input voltage |
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0.9 |
V |
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||||
Power supply ripple rejection (see Note 2) |
|
f = 1 KHz, |
|
CO = 10 µF, |
|
60 |
|
dB |
||||||
|
TJ = 25°C |
|
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||||||||
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||||
|
Minimum input voltage for valid PG |
|
IO(PG) = 300µA |
|
|
|
1.1 |
|
V |
|||||
|
Trip threshold voltage |
|
|
VO decreasing |
|
|
92 |
|
98 |
%VO |
||||
PG |
Hysteresis voltage |
|
|
Measured at VO |
|
|
|
0.5 |
|
%VO |
||||
|
Output low voltage |
|
|
VI = 2.7 V, |
|
IO(PG) = 1mA |
|
0.15 |
0.4 |
V |
||||
|
Leakage current |
|
|
V(PG) = 5 V |
|
|
|
|
|
1 |
µA |
|||
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|
±1 |
0 |
1 |
|
|||
Input current (EN) |
|
|
|
EN |
= 0 V |
|
|
|
µA |
|||||
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|||
|
|
EN = VI |
|
|
|
±1 |
|
1 |
||||||
|
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|
|
|
|
||||||
NOTE: 2. Minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum IN voltage 10 V.
6 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
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