TEXAS INSTRUMENTS SLTS029A Technical data
查询PT6101C供应商
PT6100 Series
1 Amp Adjustable Positive Step-down
Integrated Switching Regulator
SLTS029A
(Revised 6/30/2000)
The PT6100 Series is a line of High-Perfor-
• 90% Efficiency
• Adjustable Output Voltage
• Internal Short Circuit Protection
• Over-Temperature Protection
• On/Off Control (Ground Off)
• Small SIP Footprint
• Meets Requirements for FCC
Part 15; Class B limits for
Radiated Emissions
• Wide Input Range
Pin-Out Information
Pin Function
Inhibit
1
Standard Application
VOADJ
V
IN
C1
INH
COM COM
12
2,3,4
PT6100
1
5,6,7,8
Q1
C1 = Optional 1µF ceramic
= NFET
Q
1
C
= Required 100µF electrolytic
2
9,10,11
V
OUT
+
C2
Specifications
Characteristics
(T
=25°C unless noted) Symbols Conditions Min Typ Max Units
a
Output Current I
Short Circuit Current I
Input Voltage Range V
(Note: inhibit function cannot Vo = 5V 9 — 30/38** V
be used with Vin above 30V.) Vo = 12V 16 — 30/38** V
Output Voltage Tolerance ∆V
Line Regulation Reg
Load Regulation Reg
V
Ripple/Noise V
o
Transient Response t
with Co = 100µF V
Efficiency η V
Switching Frequency ƒ
Shutdown Current I
Quiescent Current I
Output Voltage V
Adjustment Range Above V
Absolute Maximum T
Operating Temperature Range
Recommended Operating T
Temperature Range (40-60LFM) V
Thermal Resistance
Storage Temperature T
Mechanical Shock Per Mil-STD-883D, Method 2002.3
Mechanical Vibration Per Mil-STD-883D, Method 2007.2
Weight — 5.0 — grams
* ISR will operate down to no load with reduced specifications.
** Input voltage cannot exceed 30V when the inhibit function is used. ***See Thermal Derating chart.
Note:
The PT6100 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.
o
sc
in
o
line
load
n
tr
os
o
sc
nl
o
a
a
θ
ja
s
(30V max)
2V
in
3V
in
4V
in
5 GND
6 GND
7 GND
8 GND
9V
out
10 V
out
11 V
out
12 V
out
Adj
Over Vin range 0.1* — 1.0 A
min — 3.5 — Apk
Vin = V
in
0.1 ≤ Io ≤ 1.0 A V
Over Vin Range, Io = 1.0 A
T
= 0°C to +60°C
a
Over Vin range — ±0.25 ±0.5 %V
0.1 ≤ Io ≤ 1.0 A — ±0.25 ±0.5 %V
Vin=V
min, I
in
50% load change — 100 200 µSec
Vo over/undershoot — 5.0 — %V
=9V, Io=0.5A, Vo=3.3V — 84 — %
in
=9V, Io=0.5A, Vo=5V — 89 — %
V
in
Vin=16V, Io=0.5A, Vo=12V — 91 — %
Over Vin and Io ranges 400 500 600 kHz
Vin = 15V — 100 — µA
Io = 0A, V
Below V
=10V — 10 — mA
in
o
o
Free Air Convection, Vo= 3.3V -40 — +85***
Vin=24V, Io=0.75A Vo= 12V -40 — +80***
Free Air Convection V
(40-60LFM) V
1 msec, Half Sine, mounted to a fixture
20-2000 Hz, Soldered in a PC board
Ordering Information
PT6101 = +5 Volts
PT6102 = +3.3 Volts
PT6103 = +12 Volts
Pkg Style 200
= 3.3V 9 — 26 V
o
=1.0 A — ±2 — %V
o
= 5V -40 — +85*** °C
o
= 3.3V — 50 —
o
= 5V — 40 — °C/W
o
V
= 12V — 40 —
o
mance 1 Amp, 12-Pin SIP (Single In-line
Package) Integrated Switching Regulators
(ISRs) designed to meet the on-board power
conversion needs of battery powered or other
equipment requiring high efficiency and small
size. This high performance ISR family offers
a unique combination of features combining
90% typical efficiency with open-collector
on/off control and adjustable output voltage.
Quiescent current in the shutdown mode is
less than 100µA.
PT Series Suffix
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
PT6100 SERIES
— ±1.0 ±2.0 %V
See Application Notes.
-40 — +85 °C
-40 — +125 °C
— 500
—10
(PT1234X)
—
—
N
A
C
o
o
o
o
o
G’s
G’s
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
n
PT6100 Series
Typical Characteristics
1 Amp Adjustable Positive Step-down
Integrated Switching Regulator
PT6102, 3.3 VDC (See Note 1) PT6101, 5.0 VDC (See Note 1) PT6103, 12.0 VDC (See Note 1)
Efficiency vs Output Current Efficiency vs Output Current
100
90
80
70
Efficiency - %Ripple-(mV)Iout-(Amps)PD-(Watts)
60
50
40
0 0.2 0.4 0.6 0.8 1
Iout-(Amps)
Vin
9.0V
12.0V
15.0V
18.0V
26.0V
100
90
80
70
Efficiency - %
60
50
40
0 0.2 0.4 0.6 0.8 1
Iout-(Amps)
Ripple vs Output Current Ripple vs Output Current
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1
Thermal Derating (T
Iout-(Amps)
) (See Note 2) Thermal Derating (Ta) (See Note 2)
a
1
0.8
85°C
0.6
0.4
0.2
0
9 121518212427
Vin-(Volts) Vin-(Volts)Vin-(Volts)
70°C
Vin
26.0V
18.0V
15.0V
12.0V
9.0V
(
180
160
140
120
100
80
Ripple-(mV)
60
40
20
0
0 0.2 0.4 0.6 0.8 1
Iout-(Amps)
1
0.8
0.6
0.4
Iout-(Amps)
0.2
0
9 12151821242730333639
85°C
Efficiency vs Output Current
100
Vin
9.0V
12.0V
18.0V
24.0V
30.0V
38.0V
90
80
70
Efficiency - %
60
50
40
0 0.2 0.4 0.6 0.8 1
16.0V
20.0V
24.0V
30.0V
38.0V
Iout-(Amps)
Ripple vs Output Current
400
350
Vin
38.0V
30.0V
24.0V
18.0V
12.0V
9.0V
70°C
300
250
200
150
Ripple-(mV)Iout-(Amps)
100
50
0
0 0.2 0.4 0.6 0.8 1
Thermal Derating (T
1
0.8
0.6
0.4
0.2
0
16 18 20 22 24 26 28 30 32 34 36 38
Iout-(Amps)
a
85°C
) (See Note 2)
70°C
60°C
50°C
38.0V
30.0V
24.0V
20.0V
16.0V
Power Dissipation vs Output Current Power Dissipation vs Output Current
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 0.2 0.4 0.6 0.8 1
Vin
26.0V
18.0V
15.0V
12.0V
9.0V
1.4
1.2
1
0.8
0.6
PD-(Watts)
0.4
0.2
0
0 0.2 0.4 0.6 0.8 1
Vin
38.0V
30.0V
24.0V
18.0V
12.0V
9.0V
Power Dissipation vs Output Current
2
1.8
1.6
1.4
1.2
1
0.8
PD-(Watts)
0.6
0.4
0.2
0
0 0.2 0.4 0.6 0.8 1
Vin
38.0V
30.0V
24.0V
20.0V
16.0V
Iout-(Amps) Iout-(Amps) Iout-(Amps)
Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Loading...