L6997

更新时间： 2024-09-23 23:15:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		控制器
页数	文件大小	规格书
23页	292K
描述
STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS

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中文翻译

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数据手册

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L6997 数据手册

L6997

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

to GND

-0.3 to 6

-0.3 to 36

-0.3-to 30

HGATE and BOOT, to PHASE

HGATE and BOOT, to PGND

PHASE

LGATE to PGND

-0.3 to V +0.3

ILIM, VFB, VSENSE, NOSKIP, SHDN, PGOOD, OVP, VREF, INT,

-0.3 to V +0.3

GND

to GND

SENSE

tot

Power dissipation at T

= 25°C

amb

stg

Storage temperature range

-40 to 150

°C

THERMAL DATA

Symbol

Parameter

Value

125

Unit

°C/W

°C

Thermal Resistance Junction to Ambient

Junction operating temperature range

th j-amb

-40 to 125

PIN CONNECTION (Top View)

NOSKIP

BOOT

HGATE

PHASE

VDR

GNDSENSE

INT

VSENSE

VCC

GND

VREF

VFB

OSC

LGATE

PGND

PGOOD

OVP

SHDN

ILIM

TSSOP20

PIN FUNCTION

N°

Name

Description

NOSKIP Connect to V to force continuous conduction mode and sink mode.

GNDSE Remote ground sensing pin

NSE

INT

Integrator output. Short this pin to VFB pin and connect it via a capacitor to V

integrator in the control loop. If the integrator is not used, short this pin to VREF.

to insert the

OUT

VSENS This pin must be connected to the remote output voltage to detect overvoltage and undervoltage

conditions and to provide integrator feedback input.

IC Supply Voltage.

GND

VREF

Signal ground

0.6V voltage reference. Connect max. a 10nF ceramic capacitor between this pin and ground.

This pin is capable to source or sink up to 250uA

2/23

123 4 5 6 7...23

中文翻译

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