L7986TA datasheet(7/43 Pages) STMICROELECTRONICS

부품명	L7986TA

상세설명	3 A step-down switching regulator

PDF	43 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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7 / 43 page

L7986TA

Electrical characteristics

Doc ID 022098 Rev 3

7/43

Error amplifier

VCH

High level output voltage

VFB<0.6 V

VCL

Low level output voltage

VFB>0.6 V

0.1

IO SOURCE

Source COMP pin

VFB=0.5 V, VCOMP=1 V

IO SINK

Sink COMP pin

VFB=0.7 V, VCOMP=1 V

Open-loop voltage gain

(1)

100

Synchronization function

VS_IN,HI

High input voltage

3.3

VS_IN,LO

Low input voltage

tS_IN_PW

Input pulse width

VS_IN,HI=3 V,

VS_IN,LO=0 V

100

VS_IN,HI=2 V,

VS_IN,LO=1 V

300

ISYNCH,LO

Slave sink current

VSYNCH=2.9 V

0.7

VS_OUT,HI

Master output amplitude

ISOURCE=4.5 mA

tS_OUT_PW

Output pulse width

SYNCH floating

110

Protection

TSHDN

Thermal shutdown

150

°C

Hysteresis

Guaranteed by design.

Table 4.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Values

Unit

Min.

Typ.

Max.

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