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LD1117A Datasheet PDF - UTC

Part Number LD1117A
Description LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
Manufacturers UTC 
Logo UTC Logo 



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LD1117A datasheet, circuit
UNISONIC TECHNOLOGIES CO., LTD
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 (VREF=1.25V) and
various fixed versions.
„ FEATURES
* Low dropout voltage
* Suitable for SCSI-2 active termination if VOUT set to 2.85V
* 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
* Support MLCC
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
Package
LD1117cL-xx-AA3-d-e LD1117cG-xx-AA3-d-e SOT-223
LD1117cL-xx-AB3-d-e LD1117cG-xx-AB3-d-e
SOT-89
LD1117cL-xx-TA3-d-e LD1117cG-xx-TA3-d-e
TO-220
LD1117cL-xx-TF3-d-e LD1117cG-xx-TF3-d-e TO-220F
LD1117cL-xx-TN3-d-e LD1117cG-xx-TN3-d-e
TO-252
LD1117cL-xx-TQ2-d-e LD1117cG-xx-TQ2-d-e
TO-263
LD1117cL-xx-TQ3-d-e LD1117cG-xx-TQ3-d-e TO-263-3
LD1117cL-xx-S08-d-e LD1117cG-xx-S08-d-e
SOP-8
Notes: 1. c : Current code: Blank: 800mA A: 1A
2. Pin Assignment: I: VIN O: VOUT G: GND/ADJ
3. xx: Output Voltage, Refer to Marking Information.
d
Pin Assignment
Pin Code 1 2 3
A GO I
B OG I
C GIO
D I GO
GOOIxOOx
e
Packing
R: Tape Reel
T: Tube
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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LD1117A equivalent
LD1117/A
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS
(TA=25°C, refer to the test circuits, TJ=0 ~ 125°C, CO=10μF unless otherwise specified)
For LD1117/A-1.2
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Current Limit
Minimum Load Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Thermal Regulation
For LD1117/A-1.5
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Current Limit
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Thermal Regulation
SYMBOL
TEST CONDITIONS
VOUT VIN=3.2V, IOUT=10mA, TJ=25°C
VOUT
ΔVOUT
VIN=2.7 to 8V
LD1117 : IOUT=10~800mA
LD1117A : IOUT=10~1000mA
VIN=2.7 to 8V, IOUT=10mA
ΔVOUT
ΔVOUT
VIN=2.7V
LD1117 : IOUT=10~800mA
LD1117A : IOUT=10~1000mA
ΔVOUT 1000 hrs, TJ=125°C
VIN IOUT=100mA
IQ
ILIMIT
VIN10V
VIN=6.2V, TJ=25°C
LD1117
LD1117A
IO(MIN) VIN=15V
eN
SVR
B=10Hz to 10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C,
VIN=4.2V, VRIPPLE =1VPP
IOUT=100mA
VD
IOUT=500mA
IOUT=800mA
IOUT=1A
TA=25°C, 30ms Pulse
MIN.
1.176
1.176
800
1000
60
SYMBOL
TEST CONDITIONS
VOUT
VOUT
VIN=3.5V, IOUT=10mA, TJ=25°C
VIN=3 to 8V
LD1117 : IOUT=0~800mA
LD1117A : IOUT=0~1000mA
ΔVOUT
ΔVOUT
VIN=3 to 8V, IOUT=0mA
VIN=3V
LD1117 : IOUT=0~800mA
LD1117A : IOUT=0~1000mA
ΔVOUT
ΔVOUT 1000 hrs, TJ=125°C
VIN IOUT=100mA
IQ VIN10V
ILIMIT VIN=6.5V, TJ=25°C
LD1117
LD1117A
eN
SVR
B=10Hz to 10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C,
VIN=4.5V, VRIPPLE=1VPP
IOUT=100mA
VD
IOUT=500mA
IOUT=800mA
IOUT=1A
TA=25°C, 30ms Pulse
MIN
1.470
1.470
800
1000
60
TYP.
1.200
1.200
1
1
0.5
0.3
5
2
100
75
1.00
1.15
1.20
1.20
0.01
TYP
1.500
1.500
1
1
0.5
0.3
5
100
75
1.00
1.15
1.20
1.20
0.01
MAX.
1.224
1.224
6
10
15
10
5
1.10
1.25
1.30
1.30
0.10
MAX
1.530
1.530
6
10
15
10
1.10
1.25
1.30
1.30
0.10
UNIT
V
V
mV
mV
%
%
V
mA
mA
mA
μV
dB
V
%/W
UNIT
V
V
mV
mV
%
%
V
mA
mA
μV
dB
V
%/W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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