UNISONIC TECHNOLOGIES CO LD1117-A Technical data

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LD1117/A

LINEAR INTEGRATED CIRCUIT

LOW DROP FIXED AND
ADJUSTABLE POSITIVE
VOLTAGE REGULATORS

 DESCRIPTION

The UTC LD1117/A is a low dropout, 3-terminal positive
voltage regulator designed to provide output current up to
800mA/1A, There are adjustable version (V
fixed versions.

 FEATURES

* Low dropout voltage
* Suitable for SCSI-2 active termination if V
* Output current up to 0.8A for 1117 and 1.0A for 1117A
* Built-in current limit and over temperature protection
* Available in ±1%(at 25°C) and 2% in all temperature range
* Low current consumption

=1.25V) and various

REF

OUT set to 2.85V

*Pb-free plating product number:

LD1117L-xx / LD1117AL-xx

 ORDERING INFORMATION

Order Number

Normal Lead Free Plating

LD1117①-xx-AA3-②-③ LD1117①L-xx-AA3-②-③ SOT-223

LD1117①-xx-AB3-②-③ LD1117①L-xx-AB3-②-③ SOT-89

LD1117①-xx-TA3-②-③ LD1117①L-xx-TA3-②-③ TO-220

LD1117①-xx-TN3-②-③ LD1117①L-xx-TN3-②-③ TO-252

LD1117①-xx-TQ2-②-③ LD1117①L-xx-TQ2-②-③ TO-263

LD1117①-xx-TQ3-②-③ LD1117①L-xx-TQ3-②-③ TO-263-3

LD1117①-xx-S08-②-③ LD1117①L-xx-S08-②-③ SOP-8 GOOIxOOx

Note: Pin Assignment: I:VIN O:V

G:GND

OUT

Package

②

Pin Assignment

A: GOI
B: OGI
C: GIO
D: IGO

③

Packing

R: Tape Reel
T: Tube

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LD1117/A LINEAR INTEGRATED CIRCUIT

 MARKING INFORMATION

PACKAGE VOLTAGE CODE MARKING

SOT-89

12 :1.2V
15 :1.5V
18 :1.8V
25 :2.5V

SOT-223

TO-220
TO-252
TO-263

TO-263-3

Note: Current code: Blank: 0.8A A: 1A

2J :2.85V

30 :3.0V
33 :3.3V
36 :3.6V
50 :5.0V

AD :ADJ

 PIN CONFIGURATION

GND

1

NC

8

OUT

V

V

OUT

OUT

VIN

2

3

4

V

7

VOUT

6

5

NC

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LD1117/A LINEAR INTEGRATED CIRCUIT

 BLOCK DIAGRAM

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LD1117/A LINEAR INTEGRATED CIRCUIT

 ABSOLUTE MAXIMUM RATINGS (Ta=25℃)

PARAMETER SYMBOL RATINGS UNIT
DC Input Voltage VIN 18 V
Power Dissipation PD Internally limited
Junction Temperature TJ +150 °C
Storage temperature T

Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

 RECOMMENDED OPERATING RATINGS

PARAMETER SYMBOL RATINGS UNIT
Input Voltage VIN 15 V
Operating Junction Temperature Range TJ 0 ~ +125 °C

 ELECTRICAL CHARACTERISTICS

(Ta=25 ,℃ refer to the test circuits, TJ=0 to 125°C, Co=10μF unless otherwise specified)

For LD1117/A-1.2

PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT

Output Voltage V

Output Voltage V

Line Regulation ΔV

Load Regulation ΔV

Temperature stability ΔV
Long Term Stability ΔV
Operating Input Voltage VIN I
Quiescent Current IQ VIN≤10V 5 10 mA

Current Limit I

Minimum Load Current I
Output Noise Voltage eN B=10Hz to 10KHz, TJ =25°C 100 μV

Supply Voltage Rejection SVR

Dropout Voltage VD

Thermal Regulation Ta=25°C, 30ms Pulse 0.01 0.10 %/W

VIN=3.2V, I

OUT

=2.7 to 8V

V

IN

LD1117 : I

OUT

LD1117A : I

VIN=2.7 to 8V, I

OUT

=2.7V

V

IN

LD1117 : I

OUT

LD1117A : I

0.5 %

OUT

1000 hrs, TJ =125°C 0.3 %

OUT

=100mA 15 V

OUT

VIN=6.2V, TJ =25°C

LIMIT

VIN=15V 2 5 mA

O(MIN)

I

=40mA, f=120Hz, TJ =25°C,

OUT

V

=4.2V, V

IN

I

=100mA

OUT

I

=500mA

OUT

I

=800mA

OUT

I

=1000 mA

OUT

=10mA, TJ=25°C 1.188 1.200 1.212 V

OUT

=0 ~ 800mA

OUT

=0 ~ 1.0A

OUT

=0mA 1 6 mV

OUT

=0 ~ 800mA

OUT

=0 ~ 1000mA

OUT

=1Vpp

RIPPLE

-65 ~ +150 °C

STG

1.176 1.200 1.224 V

1 10 mV

LD1117 800

LD1117A 1000

60 75 dB

1.00

1.15

1.20

1.20

1.10

1.25

1.30

1.30

mA

V
V
V
V

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