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LD1117_05 Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. LD1117_05
Description  LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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LD1117/A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 12
www.unisonic.com.tw
QW-R102-006,Q
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
TSTG
-65 ~ +150
°C
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
VOUT
VIN=3.2V, IOUT=10mA, TJ=25°C
1.188
1.200
1.212
V
Output Voltage
VOUT
VIN=2.7 to 8V
LD1117 : IOUT=0 ~ 800mA
LD1117A : IOUT=0 ~ 1.0A
1.176
1.200
1.224
V
Line Regulation
ΔVOUT VIN=2.7 to 8V, IOUT=0mA
1
6
mV
Load Regulation
ΔVOUT
VIN=2.7V
LD1117 : IOUT=0 ~ 800mA
LD1117A : IOUT=0 ~ 1000mA
1
10
mV
Temperature stability
ΔVOUT
0.5
%
Long Term Stability
ΔVOUT 1000 hrs, TJ =125°C
0.3
%
Operating Input Voltage
VIN
IOUT=100mA
15
V
Quiescent Current
IQ
VIN≤10V
5
10
mA
LD1117
800
Current Limit
ILIMIT
VIN=6.2V, TJ =25°C
LD1117A
1000
mA
Minimum Load Current
IO(MIN)
VIN=15V
2
5
mA
Output Noise Voltage
eN
B=10Hz to 10KHz, TJ =25°C
100
μV
Supply Voltage Rejection
SVR
IOUT=40mA, f=120Hz, TJ =25°C,
VIN=4.2V, VRIPPLE=1Vpp
60
75
dB
Dropout Voltage
VD
IOUT=100mA
IOUT=500mA
IOUT=800mA
IOUT=1000 mA
1.00
1.15
1.20
1.20
1.10
1.25
1.30
1.30
V
V
V
V
Thermal Regulation
Ta=25
°C, 30ms Pulse
0.01
0.10
%/W




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