datasheetbank_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

FAN1538 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
FAN1538 Datasheet PDF : 6 Pages
1 2 3 4 5 6
PRODUCT SPECIFICATION
FAN1538
Electrical Specifications
(Operating Conditions: VIN = 5V, TJ=25°C unless otherwise specied)
The denotes specications which apply over the full operating temperature range.
Parameter
V1 Output Voltage
V2 Output Voltage (FAN1538A)
V2 Minimum Output Voltage
(FAN1538B)
Conditions
10mA Iout 1A
4.50V VIN 7V
10mA Iout 1A
4.50V VIN 7V
10mA Iout 1A
4.50V VIN 7V
Min.
3.234
3.200
2.450
2.420
1.400
Reference Voltage (FAN1538B)
(FB)
10mA<Iout<1A
4.50V VIN 7V
1.225
1.210
FB Pin Bias Current
Line Regulation
(Both Outputs)
4.50V VIN 7V
Iout = 10mA
Load Regulation
(Both Outputs)
VIN=5.0V
10mA Iout 1A
Current Limit
(Both Outputs)
Minimum Load Current
(Both Outputs)
VIN = 5V
4.50V VIN 7V
1.1
10
Quiescent Current
VIN = 5V
Ripple Rejection
(Both Outputs)
F = 60Hz, Cout = 22µF
60
VIN = 5V, Iout =100mA
Under-Voltage Lockout (See Diagram1)
VIN Rising threshold
3.4
VIN Falling threshold
3.0
V1 & V2 delay start time
VIN > UVLO Rising Threshold
V1 softstart slew rate
V2 softstart slew rate
R1 = 1250 & R2 = 250 ohms
V1 & V2
VIN < 3.4
Thermal Shutdown
Shut down Temperature
Thermal hysteresis
Typ.
3.300
3.300
2.500
2.500
1.250
1.250
0.005
0.05
1.5
6
3.8
3.3
150
250
550
165
40
Max.
3.366
3.400
2.550
2.580
Units
V
V
V
1.275 V
1.290
1
µA
0.5
%
0.5
%
A
mA
15
mA
dB
4.2
V
3.6
V
µs
µs/V
µs/V
0.5
V
°C
°C
VIN = 3.8V
Input
Voltage
VIN
V3.3
V1.5
VIN = 3.3V
150µs
Time
Diagram 1: UVLO and Softstart Timing
REV. 1.0.2 12/17/03
3
 

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]