UPD16876 查看數據表（PDF） - NEC => Renesas Technology

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UPD16876

SINGLE Pch HIGH-SIDE SWITCH FOR USB

NEC => Renesas Technology 

µPD16876

PIN CONFIGURATION (Top View)

LATCH 1

CTL 2

FLG 3

GND 4

8 OUT

7 OUT

6 IN

5 IN

PIN DESCRIPTION

Pin No.

Pin Name

1

LATCH

2

CTL

3

FLG

4

GND

5/6

IN

7/8

OUT

8-pin SOP

Pin Function

Select LATCH function. “H” is effective LATCH function.

Control input: Active-low, TTL input

Detection flag (output): Active-low, Nch open-drain

Ground

Power input: Source of MOSFET for output. Power supply to internal circuitry of IC

Switch output: Drain of MOSFET for output. Usually, connected to load.

TRUTH TABLE (H: High level, L: Low level, ON: Output on, OFF: Output off, X: H or L)

CTL (In)

FLG (Out)

OUT (Out)

Operation mode

L

H

ON

Normal operation

H

H

OFF

Switch OFF/Stand by mode

L

L

ON

Overcurrent detection

X

L

OFF

Thermal shutdown circuit operation

X

L

OFF

Undervoltage lockout circuit operation

LATCH

H (LATCH mode)

L (non LATCH mode)

Operation mode

After overcurrent detection circuit operates, output is latched.

After overcurrent detection circuit operates, output is operated limited current function.

Data Sheet S14288EJ1V0DS

3

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