LD1117/A LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD 4 of 12
www.unisonic.com.tw QW-R102-006,Q
ABSOLUTE MAXIMUM RATINGS (Ta=25℃)
PARAMETER SYMBOL RATINGS UNIT
DC Input Voltage V
IN
18 V
Power Dissipation P
D
Internally limited
Junction Temperature T
J
+150 °C
Storage temperature T
STG
-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 V
IN
15 V
Operating Junction Temperature Range T
J
0 ~ +125 °C
ELECTRICAL CHARACTERISTICS
(Ta=25 ,℃ refer to the test circuits, T
J
=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
OUT
V
IN
=3.2V, I
OUT
=10mA, T
J
=25°C 1.188 1.200 1.212 V
Output Voltage V
OUT
V
IN
=2.7 to 8V
LD1117 : I
OUT
=0 ~ 800mA
LD1117A : I
OUT
=0 ~ 1.0A
1.176 1.200 1.224 V
Line Regulation ΔV
OUT
V
IN
=2.7 to 8V, I
OUT
=0mA 1 6 mV
Load Regulation ΔV
OUT
V
IN
=2.7V
LD1117 : I
OUT
=0 ~ 800mA
LD1117A : I
OUT
=0 ~ 1000mA
1 10 mV
Temperature stability ΔV
OUT
0.5 %
Long Term Stability ΔV
OUT
1000 hrs, T
J
=125°C 0.3 %
Operating Input Voltage V
IN
I
OUT
=100mA 15 V
Quiescent Current I
Q
V
IN
≤10V 5 10 mA
LD1117 800
Current Limit I
LIMIT
V
IN
=6.2V, T
J
=25°C
LD1117A 1000
mA
Minimum Load Current I
O(MIN)
V
IN
=15V 2 5 mA
Output Noise Voltage eN B=10Hz to 10KHz, T
J
=25°C 100 μV
Supply Voltage Rejection SVR
I
OUT
=40mA, f=120Hz, T
J
=25°C,
V
IN
=4.2V, V
RIPPLE
=1Vpp
60 75 dB
Dropout Voltage V
D
I
OUT
=100mA
I
OUT
=500mA
I
OUT
=800mA
I
OUT
=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