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CS5422

Dual Out−of−Phase Synchronous Buck Controller with Current Limit

ON Semiconductor 

CS5422

ABSOLUTE MAXIMUM RATINGS*

Rating

Operating Junction Temperature, TJ

Storage Temperature Range, TS

ESD Susceptibility (Human Body Model)

Package Thermal Resistance, SO−16:

Junction−to−Case, RθJC

Junction−to−Ambient, RθJA

Package Thermal Resistance, SO−24L:

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

BST

Compensation Capacitor for

Channel 1 or 2

Voltage Feedback Input for

Channel 1 or 2

Power Input for GATE(H)1, 2

ROSC

GATE(H)1, GATE(H)2

GATE(L)1, GATE(L)2

GND

Oscillator Resistor

High−Side FET Driver

for Channel 1 or 2

Low−Side FET Driver for

Channel 1 or 2

Ground

IS+1, IS+2

IS−1, IS−2

Positive Current Sense for

Channel 1 or 2

Negative Current Sense for

Channel 1 or 2

Value

Unit

150

°C

−65 to +150 °C

2.0

kV

28

°C/W

115

°C/W

Reflow: (SMD styles only) (Note 1)

9.0

55

230 peak

°C/W

°C/W

°C

VMAX

16 V

4.0 V

5.0 V

20 V

4.0 V

20 V

16 V

0V

6.0 V

6.0 V

VMIN

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

−0.3 V

0V

−0.3 V

−0.3 V

ISOURCE

N/A

1.0 mA

1.0 mA

N/A

1.0 mA

1.5 A peak

200 mA DC

1.5 A peak

200 mA DC

1.5 A peak

200 mA DC

1.0 mA

1.0 mA

ISINK

1.5 A peak

200 mA DC

1.0 mA

1.0 mA

1.5 A peak

200 mA DC

1.0 mA

1.5 A peak

200 mA DC

1.5 A peak

200 mA DC

N/A

1.0 mA

1.0 mA

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