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ICP1
A8430
VIN
V
REF F
1.25V
EN
Enable
Characteristics
Input Voltage Range
Supply Current
Feedback Reference Voltage
Feedback Input Current
Switch Current Limit
Switch Frequency
Switch Maximum Duty Cycle
Switch Saturation voltage
Switch Leakage Current
Enable Input
Input Threshold Low
Input Threshold High
Input Leakage
FB
A1
95mV
R
C
C
C
Generator
1.2MHz
Oscillator
Symbol
VIN
Active: ILOAD=15mA
ISUP
VLOAD=12V
Shutdown (EN=0V)
VREF
IFB
ISWLIM
FSW
D
V
CE(SAT)
ISL
VIL
VIH
IIL
-20-
A2
R
S
Ramp
GND
Test Conditions
-
-
-
-
-
-
-
-
-
-
-
SW
Driver
Q
Min.
Typ.
Max.
-
2.5
10
-
2.5
3.5
-
0.1
1
86
95
104
-
20
50
-
-
300
0.8
1.2
1.6
-
85
90
-
-
350
-
-
5
-
-
0.4
-
-
1.5
-
-
65
Units
V
mA
µA
mV
nA
mA
MHz
%
mV
µA
V
V
µA
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