RT9214PS Richtek Technology Corporation, RT9214PS Datasheet

RT9214PS

Manufacturer Part Number

RT9214PS

Description

SOP8

Manufacturer

Richtek Technology Corporation

Datasheets

1.RT9214PS.pdf (17 pages)

2.RT9214PS.pdf (17 pages)

Specifications of RT9214PS

Date_code

08+

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Company

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Manufacturer

Quantity

Price

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Part Number:

RT9214PS

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USBEST

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Quantity:

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Part Number:

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Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

RT9214PSGMW08

Manufacturer:

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Quantity:

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Current page: 1 of 17
Download datasheet (346Kb)

5V/12V Synchronous Buck PWM DC-DC Controller

General Description

The RT9214 is a high efficiency synchronous buck PWM

controllers that generate logic-supply voltages in PC based

systems. These high performance , single output devices

include internal soft-start, frequency compensation

networks and integrates all of the control, output

adjustment, monitoring and protection functions into a

single package.

The device operating at fixed 300kHz frequency provides

an optimum compromise between efficiency, external

component size, and cost.

Adjustable over-current protection (OCP) monitors the

voltage drop across the R

synchronous buck PWM DC-DC controller. The over-

current function cycles the soft-start in 4-times hiccup

mode to provide fault protection, and in an always hiccup

mode for under-voltage protection.

Ordering Information

Note :

Richtek Pb-free and Green products are :

DS9214-13

RT9214

RoHS compliant and compatible with the current require-

Suitable for use in SnPb or Pb-free soldering processes.

100% matte tin (Sn) plating.

ments of IPC/JEDEC J-STD-020.

September 2007

Package Type

S : SOP-8

SP : SOP-8 (Exposed Pad-Option 1)

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

DS(ON)

of the lower MOSFET for

Features

Applications

Pin Configurations

Current Sense Resistor Required

RoHS Compliant and 100% Lead (Pb)-Free

Graphic Card

Motherboard, Desktop Servers

IA Equipments

Telecomm Equipments

High Power DC-DC Regulators

Operating with 5V or 12V Supply Voltage

Drives All Low Cost N-Channel MOSFETs

Voltage Mode PWM Control

300kHz

Fast Transient Response :

Internal Soft-Start

Adaptive Non-Overlapping Gate Driver

Over-Current Fault Monitor on MOSFET, No

High-Speed GM Amplifier

Full 0 to 100% Duty Ratio

Fixed Frequency Oscillator

UGATE

LGATE

BOOT

UGATE

GND

LGATE

BOOT

GND

SOP-8 (

(TOP VIEW)

Exposed Pad

SOP-8

PHASE

OPS

VCC

PHASE

OPS

VCC

)

RT9214

www.richtek.com

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