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LP2950-30-T92-T 数据手册 - UTC（友顺）
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LP2950-30-T92-T数据手册
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LP2950/2951 LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD 3 of 7
www.unisonic.com.tw QW-R102-001,J
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V
CC
-0.3 ~ +30 V
Feedback Voltage V
FB
-1.5 ~ +30 V
Shutdown Voltage V
SHDN
-0.3 ~ +30 V
Operation Junction Temperature T
J
-40 ~ +125 °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.
ELECTRICAL CHARACTERISTICS (T
J
=25°C, V
IN
=6V, I
L
=100µA, C
L
=1µF, unless otherwise specified.)
For All Version:
PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT
T
J
=25°C (Note 1) V
OUT
×0.98 V
OUT
V
OUT
×1.02 V
Output Voltage V
OUT
-25°C≦T
J
≦+85°C(Note 1) V
OUT
×0.98 V
OUT
V
OUT
×1.02 V
Output Voltage V
OUT
100µA≦I
L
≦100mA, T
J
≦T
J
(max) V
OUT
×0.98 V
OUT
V
OUT
×1.02 V
Output Voltage Temperature
Coefficient
TcVo
20 100 ppm/°C
Line Regulation
ΔV
OUT
6V≦V
IN
≦30V 0.03 0.1 0.2 %
Load Regulation
ΔV
OUT
100µA≦I
L
≦100 mA 0.04 0.1 0.2 %
Dropout Voltage
V
D
I
L
=100µA
I
L
=100mA (Note 2)
50
380
80
450
150
600
mV
Ground Current I
G
I
L
=100µA
I
L
=100mA
75
8
120
12
140
14
µA
mA
Dropout Ground Current V
IN
=4.5V,I
L
=100µA 110 170 200 µA
Current Limit
I
LIMIT
V
OUT
=0 160 200 220 mA
Output Noise (10Hz ~ 100KHz)
(Bypass=0.01µF pins 7 to 1
(LP2951))
eN
C
L
=1µF
C
L
=200µF
C
L
=3.3µF
430
160
100
µV
For UTC LP2951 8-Pin Version Only
PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT
Reference Voltage
V
REF
1.22 1.235 1.25 V
Reference Voltage
V
REF
Over temperature(Note 4) 1.19 1.27 V
Feedback pin Bias Current I
FB
20 40 nA
Reference Voltage Temperature
Coefficient
V
REF(TC)
50 ppm/°C
Feedback Bias Current
Temperature Coefficient
I
FB(TC)
0.1 nA/°C
Error Comparator
Output Leakage Current I
O(LEAK)
V
OH
=30V 1 µA
Output Low Voltage V
OL
V
IN
=4.5V, I
OL
=400µA 250 mV
Upper
V
THU
(Note 3) 3.2 %VO
Threshold Voltage
Lower
V
THL
(Note 3) 7.6 %VO
Hysteresis
V
HYS
(Note 3) 15 mV
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