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ISL97644(2006) View Datasheet(PDF) - Intersil

Part Name
Description
View to exact match
ISL97644
(Rev.:2006)
Intersil
Intersil Intersil
ISL97644 Datasheet PDF : 15 Pages
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ISL97644
Electrical Specifications VIN1 = VIN2 = ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, TA = -40°C to 85°C
Unless Otherwise Noted. (Continued)
SYMBOL
PARAMETER
TEST CONDITION
MIN
TYP
MAX
VFB
IFB
RDS(ON)
EFF
Feedback Voltage (VFB)
FB Input Bias Current
Switch On Resistance
Peak Efficiency
ILOAD = 100mA, TA = 25°C
ILOAD = 100mA, TA = -40°C to +85°C
1.20
1.19
1.21
1.21
250
150
92
1.22
1.23
500
300
ILIM
DMAX
FOSC
Switch Current Limit
Max Duty Cycle
Oscillator Frequency
ISS
Soft-Start Slew Current
LDO REGULATOR
FREQ = 0V
FREQ = VIN2
SS < 1V, TA = 25°C
2.1
2.6
3.1
85
90
550
650
800
1.0
1.2
1.4
2.75
VSL
Input Voltage Range VIN1
ADJ = LDO_OUT
ADJ OPEN
3.0
5.5
3.35
5.5
ADJ = 0V
3.8
5.5
VLDO
Output Voltage
ADJ = GND, ILDO = 1mA
3.31
ADJ = GND, ILDO = 350mA
3.29
ADJ OPEN, ILDO = 1mA
2.86
ADJ OPEN, ILDO = 350mA
2.84
ADJ = LDO_OUT, ILDO = 1mA
2.51
ADJ = LDO_OUT, ILDO = 350mA
2.49
ACCLDO
Overall Accuracy
1mA < ILDO < 350mA
-4
4
VLDO/VIN
Line Regulation
ILDO = 1mA, 3.0V < VIN1 < 5.5V
2
VLDO/IOUT Load Regulation
1mA < ILDO < 350mA
0.75
VDO
Dropout Voltage
Output drops by 2%, ILDO = 350mA
300
500
ILIML
Current Limit
Output drops by 2%
350
400
VCOM AMPLIFIER RLOAD = 10K, CLOAD = 10pF, Unless Otherwise Stated
VSAMP
ISAMP
VOS
IB
CMIR
Supply Voltage
Supply Current
Offset Voltage
Noninverting Input Bias Current
Common Mode Input Voltage
Range
4.5
20
3
3
20
0
100
0
VDD2
CMRR
Common-Mode Rejection Ratio
50
70
PSRR
Power Supply Rejection Ratio
70
85
VOH
Output Voltage Swing High
Iout(source) = 5mA
VDD2-50
VOH
Output Voltage Swing High
Iout(source) = 50mA
VDD2-450
VOL
Output Voltage Swing Low
Iout(sink) = 5mA
50
VOL
Output Voltage Swing Low
Iout(sink) = 50mA
450
UNIT
V
V
nA
m
%
A
%
KHz
MHz
µA
V
V
V
V
V
V
V
V
V
%
mV/V
%
mV
mA
V
mA
mV
nA
V
dB
dB
mV
mV
mV
mV
4
FN9228.0
April 11, 2006

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