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