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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 4 of 7
www.unisonic.com.tw QW-R102-001,J
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LP2951 8-Pin Version Only
PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT
Shutdown Input
Low V
IL
Regulator ON 1.3 0.70
Input Logic Voltage
High V
IH
Regulator OFF 2.0
V
V
SHDN
=2.4V 30 50 µA
Shutdown Pin Input Current I
SHDN
V
SHDN
=30V 450 600 µA
Regulator Output Current
Shutdown
I
DFF
V
SHDN
≧2V, V
IN
≦30V, V
OUT
=0
Feedback pin tied to 5V Tap.
3 10 µA
Note 1:Additional conditions for 8-pin versions are FB pin tied to 5V
TAP
, Output tied to Sense(V
OUT
=5V) and
V
SHDN
≤0.8V.
Note 2: Dropout Voltage is defined as the input to output differential at which the output voltage drops 100mV below
its nominal value measured at 1V differential.
Note 3: Comparator thresholds are expressed in terms of percentage value of voltage output.
Note 4: V
REF
≤V
OUT
≤(V
IN
-1V), 2.3V≤V
IN
≤30V, 100µA≤I
L
≤100mA, T
J
≤T
J(MAX)
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