CS5301 datasheet(3/20 Pages) ONSEMI

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CS5301

http://onsemi.com

MAXIMUM RATINGS (continued)

Pin Name

Pin Symbol

VMAX

VMIN

ISOURCE

ISINK

Power for Logic

VCCL

16 V

–0.3 V

N/A

70 mA DC

Power Good Sense

PWRGDS

6.0 V

–0.3 V

1.0 mA

Power Good Output

PWRGD

6.0 V

–0.3 V

1.0 mA

20 mA

Return for Logic

LGND

N/A

2.0 A, 1.0

µs 200 mA DC

N/A

Power for Gate(L)1

VCCL1

16 V

–0.3 V

N/A

1.5 A, 1.0

µs 200 mA DC

Power for Gate(L)2 and Gate(L)3

VCCL23

16 V

–0.3 V

N/A

1.5 A, 1.0

µs 200 mA DC

Power for Gate(H)1 and Gate(H)2

VCCH12

20 V

–0.3 V

N/A

1.5 A, 1.0

µs 200 mA DC

Power for Gate(H)3

VCCH3

20 V

–0.3 V

N/A

1.5 A, 1.0

µs 200 mA DC

Voltage Feedback Compensation

Network

COMP

6.0 V

–0.3 V

1.0 mA

Voltage Feedback Input

VFB

6.0 V

–0.3 V

1.0 mA

Output for Adjusting Adaptive

Voltage Positioning

VDRP

6.0 V

–0.3 V

1.0 mA

Frequency Resistor

ROSC

6.0 V

–0.3 V

1.0 mA

Reference Output

REF

6.0 V

–0.3 V

1.0 mA

50 mA

High Side FET Drivers

GH1–3

20 V

–0.3 V DC

–2.0 V for

100 ns

1.5 A, 1.0

µs 200 mA DC 1.5 A, 1.0 µs 200 mA DC

Low Side FET Drivers

GL1–3

16 V

–0.3 V DC

–2.0 V for

100 ns

1.5 A, 1.0

µs 200 mA DC 1.5 A, 1.0 µs 200 mA DC

Return for #1 Driver

GND1

0.3 V

–0.3 V

2.0 A, 1.0

µs 200 mA DC

N/A

Return for #2 Driver

GND2

0.3 V

–0.3 V

2.0 A, 1.0

µs 200 mA DC

N/A

Return for #3 Driver

GND3

0.3 V

–0.3 V

2.0 A, 1.0

µs 200 mA DC

N/A

Current Sense for Phases 1–3

CS1–CS3

6.0 V

–0.3 V

1.0 mA

Current Limit Set Point

ILIM

6.0 V

–0.3 V

1.0 mA

Output Voltage

CSREF

6.0 V

–0.3 V

1.0 mA

Voltage ID DAC Inputs

VID0–4

6.0 V

–0.3 V

1.0 mA

ELECTRICAL CHARACTERISTICS (0

°C < TA < 70°C; 0°C < TJ < 125°C; 4.7 V < VCCL < 14 V; 8.0 V < VCCH < 20 V;

CGATE(H) = 3.3 nF, CGATE(L) = 3.3 nF, RROSC = 53.6 k, CCOMP = 0.1 µF, CREF = 0.1 µF, DAC Code 10000, CVCC = 1.0 µF, ILIM ≥ 1.0 V;

unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Voltage Identification DAC (0 = Connected to GND; 1 = Open or Pull–up to internal 3.3 V or external 5.0 V)

Accuracy (all codes)

VID code – 125 mV

Connect VFB to COMP,

Measure COMP

–

± 1.0

VID4

VID3

VID2

VID1

VID0

VID Voltage

DACOUT Voltage

–

FAULT Mode–Output Off

–

1.100

0.965

0.975

0.985

1.125

0.990

1.000

1.010

1.150

1.015

1.025

1.035

1.175

1.040

1.050

1.061

1.200

1.064

1.075

1.086

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