CS51033_05 datasheet(2/10 Pages) ONSEMI

Il numero della parte	CS51033

Spiegazioni elettronici	Fast P?묬h FET Buck Controller

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Produttore elettronici	ONSEMI [ON Semiconductor]

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CS51033

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Figure 1. Typical Application Diagram

VGATE

PGND

COSC

GND

VC

CS

VCC

VFB

100

mF

0.1

mF

RB

300

C2

1.0

mF

GND

100

RC

10

W

RG

0.1

mF

CS

4.7

mH

IRF7404

D4

10

W

CIN

100

mF

1.5VOUT

@ 3.0 Amp

D1

D2

C1

0.1

mF

D3

1N5818

1N4148

C3

100

mF

COSC

150 pF

RA

1.5 k

0.1

mF

GND

3.3VIN

1N5821

C0

100

mF

C4

0.1

mF

Note: Capacitors C2, C3, and C4, are low

ESR tantalum caps used for noise reduction.

MAXIMUM RATINGS

Rating

Value

Unit

Power Supply Voltage, VCC

5.0

V

Driver Supply Voltage, VC

20

V

Driver Output Voltage, VGATE

20

V

COSC, CS, VFB (Logic Pins)

5.0

V

Peak Output Current

1.0

A

Steady State Output Current

200

mA

Operating Junction Temperature, TJ

150

°C

Storage Temperature Range, TS

−65 to 150

°C

ESD (Human Body Model)

2.0

kV

Package Thermal Resistance,

Junction−to−Case, RqJC

Junction−to−Ambient, RqJA

45

165

°C/W

Lead Temperature Soldering:

Reflow (SMD styles only) (Note 1)

230 peak

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

1. 60 sec. max above 183

°C.

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