A6986F データシートの表示（PDF） - STMicroelectronics

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A6986F

38 V 1.5 A synchronous step-down switching regulator with 30 µA quiescent current

STMicroelectronics 

Pin settings

A6986F

Table 1. Pin description (continued)

No. Pin

Description

12 PGND Power GND

13

LX Switching node

14

LX Switching node

15 VIN DC input voltage

Typically connected to the regulated output voltage. An external voltage reference can be used to

16 VBIAS supply part of the analog circuitry to increase the efficiency at light-load. Connect to GND if not

used.

-

E. p. Exposed pad must be connected to SGND, PGND

2.3

Maximum ratings

Stressing the device above the rating listed in Table 2: Absolute maximum ratings may

cause permanent damage to the device. These are stress ratings only and operation of the

device at these or any other conditions above those indicated in the operating sections of

this specification is not implied. Exposure to absolute maximum rating conditions may affect

device reliability.

Symbol

VIN

DELAY

PGND

SGND

VCC

SS / INH

MLF

COMP

VOUT

FSW

SYNCH

VBIAS

RST

LX

TJ

TSTG

TLEAD

IHS, ILS

Table 2. Absolute maximum ratings

Description

Min.

-0.3

-0.3

SGND - 0.3

-0.3

-0.3

-0.3

See Table 1

-0.3

-0.3

-0.3

-0.3

-0.3

-0.3

-0.3

Operating temperature range

-40

Storage temperature range

Lead temperature (soldering 10 sec.)

High-side / low-side switch current

Max.

40

VCC + 0.3

SGND + 0.3

(VIN + 0.3) or (max. 4)

VIN + 0.3

VCC + 0.3

VCC + 0.3

10

VCC + 0.3

VIN + 0.3

(VIN + 0.3) or (max. 6)

VIN + 0.3

VIN + 0.3

150

-65 to 150

260

2

Unit

V

V

V

V

V

V

V

V

V

V

V

V

V

V

°C

°C

°C

A

6/72

DocID027739 Rev 1

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