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CS5421 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. CS5421
Description  Dual Out?뭥f?뭁hase Synchronous Buck Controller with Remote Sense
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS5421 Datasheet(HTML) 2 Page - ON Semiconductor

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CS5421
http://onsemi.com
2
VFFB1
VFFB2
VCC
LGND
15 k
CS5421
12 V
34.5 k
1.0 μF
3 × 1200 μF
0.1 μF
VOUT
1.0 μH
5.0 V
VOUT
3 × 1200 μF
COMP2
VFB2
ROSC
VFB1
COMP1
PGND2
PGND1
GATE(L)2
GATE(H)1
GATE(H)2
GATE(L)2
SGND
1
2
3
6
8
7
5
4
13
16
15
14
11
9
12
10
1.2 μH
4 × 1200 μF
3.3 V/11 A
1.5 V/9.0 A
VIN
VIN
0.1 μF
15 k
30 k
30.9 k
2.7 μH
6 × 1200 μF
SENSE
GND
Figure 1. Application Diagram, 5.0 V/12 V to 3.3 V/11 A and 1.5 V/9.0 A Converter
for Processor I/O and Core Supplies
ABSOLUTE MAXIMUM RATINGS*
Rating
Value
Unit
Operating Junction Temperature, TJ
150
°C
Storage Temperature Range, TS
−65 to +150
°C
ESD Susceptibility (Human Body Model)
2.0
kV
Package Thermal Resistance:
Junction−to−Case, RθJC
Junction−to−Ambient, RθJA
28
115
°C/W
°C/W
Lead Temperature Soldering:
Reflow: (SMD styles only) (Note 1)
230 peak
°C
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
ABSOLUTE MAXIMUM RATINGS
Pin Symbol
Pin Name
VMAX
VMIN
ISOURCE
ISINK
VCC
IC Power Input
16 V
−0.3 V
N/A
1.5 A peak
200 mA DC
COMP1, COMP2
Compensation Capacitor for
Channel 1 or 2
4.0 V
−0.3 V
1.0 mA
1.0 mA
VFB1, VFB2
Voltage Feedback Input for
Channel 1 or 2
5.0 V
−0.3 V
1.0 mA
1.0 mA
VFB1, VFB2
Fast Voltage Feedback
Input for Channel 1 or 2
5.0 V
−0.3 V
1.0 mA
1.0 mA


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