SP6122(2003) データシートの表示（PDF） - Signal Processing Technologies

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コンポーネント説明

メーカー

SP6122
(Rev.:2003)

Low Voltage, Micro 8, PFET, Buck Controller

Signal Processing Technologies 

BLOCK DIAGRAM

Soft Start

SS

-

+

ENABLE 4

1.25V

Reference

-

+

1V

Reset

Dominant

POR R QB

Run

Latch

SQ

VOUT 3

X K1

Reference

Comparator

-

+

Reset

Dominant

R

SS

Latch

PFET OFF

S QB

Soft Start Clock

VOUT * K1

TON

Start On Time

Min On Time Clock

RESET

Dominant

S QB

Loop

Latch

R Q PFET OFF

Driver

Logic

ISET 6

20µA

(4300 ppm/°C)

ISENSE 5

ISET

ISENSE

PDRV

+

X 3.3

-

500mV

(3800 ppm/°C)

ISET < 1V

Low IQ

Blank 200ns Blanking

One Shot

Over Current

(Gated S&H)

+

-

POR

Reset

Dominant

S

Q FAULT

R

POR

1 VCC

PFET

Driver

8 PDRV

7 GND

2 FFLAG

Rev. 7/16/03

SP6122 Low Voltage, Micro 8, PFET, Buck Controller

5

© Copyright 2003 Sipex Corporation

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