ISL6522BCR-T datasheet(5/15 Pages) INTERSIL

Part #	ISL6522BCR-T

Description	Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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5

Soft START

Soft-Start Current

ISS

-10-

µA

Peak Soft Start Voltage

VSS

-4.5

-

V

GATE DRIVERS

Upper Gate Source

IUGATE

VBOOT - VPHASE = 12V, VUGATE = 6V

350

500

-

mA

Upper Gate Sink

RUGATE

ISL6522BC, IUGATE = 0.3A

-

5.0

8.75

Ω

ISL6522BI, IUGATE = 0.3A

-

5.0

9.25

Ω

Lower Gate Source

ILGATE

VCC = 12V, VLGATE = 6V

300

450

-

mA

Lower Gate Sink

RLGATE

ISL6522BC, ILGATE = 0.3A

-

3.2

5.55

Ω

ISL6522BI, ILGATE = 0.3A

-

3.2

5.85

Ω

PROTECTION

OCSET Current Source

IOCSET

VOCSET = 4.5VDC

170

200

230

µA

Electrical Specifications

Recommended Operating Conditions, Unless Otherwise Noted (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Typical Performance Curves

FIGURE 1. RT RESISTANCE vs FREQUENCY

FIGURE 2. BIAS SUPPLY CURRENT vs FREQUENCY

10

100

1000

SWITCHING FREQUENCY (kHz)

10

100

1000

RT PULLUP

TO +12V

RT PULLDOWN

TO VSS

100

200

300

400

500

600

700

800

900

1000

80

70

60

50

40

30

20

10

0

SWITCHING FREQUENCY (kHz)

CGATE = 1000pF

CGATE = 3300pF

CGATE = 10pF

ISL6522B

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ISL6522BCR-T Datasheet(PDF) 5 Page - Intersil Corporation

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