UC3842GL-S08-R datasheet(5/8 Pages) ETL

Nome de Peças	UC3842GL-S08-R

Descrição Electrónicos	HIGH PERFORMANCE CURRENT MODE CONTROLLER

PDF	8 Pages

Scroll/Zoom	100%

Fabricante Electrônico	ETL [E-Tech Electronics LTD]

Página de início	http://e-tech.com.hk

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5 / 8 page

UC3842G

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 8

www.unisonic.com.tw

QW-R103-036.C

ELECTRICAL CHARACTERISTICS (Cont.)

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP MAX UNIT

OUTPUT SECTION

Output Voltage With UVLO Active

VOL(UVLO)

VCC=6V,ISINK=0.1mA;

VCC=7.5V,ISINK=1mA

0.8

1.1

Output Voltage

VOL

ISINK=20mA

0.1

0.4

ISINK=200mA

1.6

2.2

VOH

ISOURCE=20mA

14.5

ISOURCE=200mA

14.6

Output Voltage Rise and Fall time

CL=1.0nF (Note 1)

100

150

CL=1.0nF (Note 1)

100

150

UNDER VOLTAGE LOCKOUT SECTION

Startup Threshold

VTH(STAR-UP)

13.5

16.5

Min Operating Voltage

VOPR(MIN) After Turn-ON

8.5

11.5

PWM SECTION

Max Duty Cycle

DMAX

Minimum Duty Cycle

DMIN

TOTAL DEVICE

Power Supply Zener Voltage

ICC=25mA

Power Operating Supply Current

ICC

Note 2

Startup Current

ISTART-UP VCC=14V,UVLO Active

μA

Note: 1.

These parameters, although guaranteed, are not 100% tested in production.

Parameters measured at trip point of latch with VFB=0.

Gain defined as: A=ΔVCOMP/ΔVCS; 0≤VCS≤0.8V

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