TC120 查看數據表（PDF） - Microchip Technology

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TC120

PWM/PFM Step-Down Combination Regulator/Controller

Microchip Technology 

TC120

TABLE 3-1: SUGGESTED COMPONENTS AND SUPPLIERS

Type

Surface Mount

Inductors

Sumida

CD54 Series

CDRH Series

Coilcraft

DO Series

Capacitors

AVX

TPS Series

Sprague

595D Series

Miniature

Through-Hole

Standard

Through-Hole

Sumida

RCH Series

Coilcraft

PCH Series

Sanyo

OS-CON Series

Nichicon

PL Series

United Chemi-Conv

LXF Series

Diodes

ON Semiconductor

MBRS340T3

Nihon

NSQ Series

Matsushita

MA737

IRC

OAR Series

Transistors

Silconix

Little Foot MOSFET Series

Zetex FZT749

PNP Bipolar Transistor

Toshiba 2SA1213 PNP

Transistor

ON Semiconductor

TMOS Power MOSFETs

FIGURE 3-2:

TC120 WITH ADDED COMPONENTS FOR IMPROVED EFFICIENCY AT

HIGH OUTPUT CURRENTS

VIN ≤ 5V

VIN > 5V

CP

2200 pF

Ceramic

D1

IN5817

VIN

LX

EXTW

EXT

TC120XX03

CPC

GND

SHDN/SS

SENSE

a) For VIN ≤ 5V

CP

2200 pF

Ceramic

10V

Zener

Diode

D1

IN5817

VIN

LX

EXTW

EXT

TC120XX03

CPC

GND

SHDN/SS

SENSE

b) For VIN > 5V

 2001-2012 Microchip Technology Inc.

DS21365C-page 7

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