LD1117/A LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD 9 of 12
www.unisonic.com.tw QW-R102-006,Q
ELECTRICAL CHARACTERISTICS(Cont.)
For LD1117/ A-ADJUSTABLE
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Reference Voltage V
REF
V
IN
-V
OUT
=2V, I
OUT
=10mA, T
J
=25°C 1.238 1.25 1.262 V
Reference Voltage V
REF
V
IN
-V
OUT
=1.4 to 10V
LD1117 : I
OUT
=10 ~ 800mA
LD1117A : I
OUT
=10 ~ 1000mA
1.225 1.275 V
Line Regulation ΔV
OUT
V
IN
-V
OUT
=1.5 to 13.75V, I
OUT
=10mA 0.035 0.200 %
Load Regulation ΔV
OUT
V
IN
-V
OUT
=3V
LD1117 : I
OUT
=10 ~ 800mA
LD1117A : I
OUT
=10 ~ 1000mA
0.10 0.400 %
Temperature stability ΔV
OUT
0.50 %
Long Term Stability ΔV
OUT
1000 hrs, T
J
=125°C 0.3 %
Operating Input Voltage V
IN
15 V
Adjustment Pin Current I
ADJ
V
IN
≤15V 60 120 μA
Adjustment Pin Current Change ΔI
ADJ
V
IN
-V
OUT
=1.4 to 10V,
LD1117 : I
OUT
=10 ~ 800mA
LD1117A : I
OUT
=10 ~ 1000mA
1 5 μA
Minimum Load Current I
O(MIN)
V
IN
=15V 2 5 mA
LD1117 800
Current Limit I
LIMIT
V
IN
-V
OUT
=5V, T
J
=25°C
LD1117A 1000
mA
Output Noise (%Vo) eN B=10Hz to 10KHz, T
J
=25°C 0.003 %
Supply Voltage Rejection SVR
I
OUT
=40mA, f=120Hz, T
J
=25°C,
V
IN
-V
OUT
=3V, Vripple=1Vpp
60 75 dB
Dropout Voltage V
D
I
OUT
=100mA
I
OUT
=500mA
I
OUT
=800mA
I
OUT
=1000mA
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
THERMAL DATA
PARAMETER SYMBOL RATINGS UNIT
SOT-223 15
SOP-8 20
TO-252 12
TO-220 4
Thermal Resistance Junction-Case
TO-263
θ
JC
4
°C/W
SOT-223 165
SOP-8 150
TO-252 112
TO-220 54
Thermal Resistance Junction-Ambient
TO-263
θ
JA
64
°C/W
