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SIC413 Datasheet(PDF) 4 Page - Vishay Siliconix

Part # SIC413
Description  microBUCK® SiC413 4 A, 26 V Integrated Synchronous Buck Regulator
PDF  18 Pages
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SIC413 Datasheet(HTML) 4 Page - Vishay Siliconix

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Vishay Siliconix
SiC413
www.vishay.com
4
Document Number: 69057
S09-2250-Rev. D, 26-Oct-09
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
For technical questions, contact: powerictechsupport@vishay.com
End of Life. Last Available Purchase Date is 31-Dec-2014
Notes:
a. Guaranteed by design and not 100 % production tested.
b. Pulse test; pulse width
 300 ms, duty cycle  2 %.
SPECIFICATIONS
Parameter
Symbol
Conditions Unless Specified
Otherwise
VIN = 12 V, VEN = 5 V,
VOUT = 3.3 V, TA = 25 °C
Min.
Typ.a
Max.
Unit
Converter Operation
Output Currenta
IOUT
Air flow = 0
4
A
Internal Regulated Voltage
VREG
55.7
6.1
V
Load Regulationa
0
 I
O  4 A
0.6
%
Line Regulationa
IOUT = 0
0.1
%/V
Feedback Voltage
VFB
TA = 25 °C
0.591
0.6
0.609
V
TA = - 25 °C to 85 °C
0.582
0.6
0.618
MOSFET On Resistance
RDS(ON)HS
VBOOT - VSW = 5.5 V
35
m
RDS(ON)LS
VREG = 5.5 V
19
Internal Oscillator Frequency
FOSC
435
500
565
kHz
Max. PWM Duty Cycle
DC
62
70
%
Error Amplifier
Open Loop Voltage Gain
110
dB
Unity Gain Bandwidth
2.5
MHz
Transconductance
1.5
mS
Input Bias Current
IFB
2nA
Max. Sink/Source Current
30
µA
Enable
Enable Logic Level High
VEN H
VEN rising
1.8
V
Enable Logic Level Low
VEN L
VEN falling
0.6
Protection
Overvoltage Trip Point
OVP
VFB rising and when VFB/VREF is greater
than
115
120
125
%
Overvoltage Trip Hysteresis
OVPHYS
VFB falling and when VFB/VREF is less
than
110
VIN Undervoltage Lockout
VIN UVLO-h
VIN rising
3.55
3.8
4.05
V
VIN Undervoltage Lockout Hysteresis
VIN UVLO HS
VIN falling
200
mV
Thermal Shutdown
TJ SD
165
°C
Thermal Shutdown Hysteresis
TJ SD HS
20
Peak Current Limit
ILIM
7A
Soft Start
Soft Start Period
TSS
5ms
Supply Current
Input Current
IQ
VEN = high and no load
10
mA
Shutdown Current
ISD
VEN = 0 V
8
µA
Dynamicb
Rise Time
Tr_SW
10 % to 90 % of SW
16
ns
Fall Time
Tf_SW
90 % to 10 % of SW
15



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