LD1117/A
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For LD1117/A-ADJUSTABLE
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
1.25
MAX
UNIT
V
Reference Voltage
VREF VIN-VOUT=2V, IOUT=10mA, TJ =25°C
VIN-VOUT=1.4 to 10V
1.238
1.262
Reference Voltage
Line Regulation
Load Regulation
VREF LD1117 : IOUT=10 ~ 800mA
LD1117A : IOUT=10 ~ 1000mA
ΔVOUT VIN-VOUT=1.5 to 13.75V, IOUT=10mA
VIN-VOUT=3V
ΔVOUT LD1117 : IOUT=10 ~ 800mA
LD1117A : IOUT=10 ~ 1000mA
ΔVOUT
1.225
1.275
0.200
0.400
V
%
%
0.035
0.10
Temperature stability
Long Term Stability
0.50
0.3
%
%
V
ΔVOUT 1000 hrs, TJ =125°C
VIN
Operating Input Voltage
Adjustment Pin Current
15
IADJ
VIN≤15V
60
1
120
μA
VIN-VOUT=1.4 to 10V,
Adjustment Pin Current Change
ΔIADJ LD1117 : IOUT=10 ~ 800mA
LD1117A : IOUT=10 ~ 1000mA
IO(MIN) VIN=15V
5
5
μA
Minimum Load Current
Current Limit
2
mA
mA
%
LD1117
800
ILIMIT VIN-VOUT=5V, TJ =25°C
LD1117A 1000
Output Noise (%Vo)
Supply Voltage Rejection
eN
B=10Hz to 10KHz, TJ =25°C
0.003
75
I
OUT=40mA, f=120Hz, TJ =25°C,
SVR
60
dB
VIN-VOUT=3V, Vripple=1Vpp
IOUT=100mA
1.00
1.15
1.20
1.20
0.01
1.10
1.25
1.30
1.30
0.10
V
V
V
I
I
I
OUT=500mA
OUT=800mA
OUT=1000mA
Dropout Voltage
VD
V
Thermal Regulation
Ta=25°C, 30ms Pulse
%/W
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
SOT-223
SOP-8
15
20
12
4
Thermal Resistance Junction-Case
θJC
°C/W
TO-252
TO-220
TO-263
SOT-223
SOP-8
4
165
150
112
54
64
Thermal Resistance Junction-Ambient
θJA
TO-252
TO-220
TO-263
°C/W
UNISONIC TECHNOLOGIES CO., LTD
9 of 12
QW-R102-006,Q
www.unisonic.com.tw
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