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HA13557AFH

更新时间： 2024-09-24 22:05:27

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HA13557AFH 数据手册

HA13557AFH

Combo (Spindle & VCM) Driver

ADE-207-234A (Z)

2nd. Edition

July 1997

Description

This COMBO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM

Driver.

Bipolar Process is applied and a “Soft Switching Circuit” for less commutation noise and a “Booster

Circuit” for smaller Saturation Voltage of Output Transistor are also implemented.

Features

•

Soft Switching Driver

Small Surface Mount Package: FP-48T (QFP48 Pin)

Low thermal resistance: 30°C/W with 4 layer multi glass-epoxy board

Low output saturation voltage

Spindle 1.44 V Typ (@1.8 A)

VCM

1.0 V Typ (@1.0 A)

Functions

•

2.2 A Max/3-phase motor driver

1.5 A Max BTL VCM Driver

Auto retract

Soft Switching Matrix

Start up circuit

Booster

Speed Discriminator

Internal Protector (OTSD, LVI)

POR

Power monitor

12 3 4 5 6 7...28

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