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參數(shù)資料
| 型號： | UPD16803 |
| 廠商： | NEC Corp. |
| 英文描述： | MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT |
| 中文描述： | 整體式雙H橋驅(qū)動電路 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 97K |
| 代理商： | UPD16803 |
1997
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD16803
Document No. S11452EJ2V0DS00 (2nd edition)
Date Published July 1997 N
Printed in Japan
MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT
DESCRIPTION
The
μ
PD16803 is a monolithic dual H bridge driver circuit which uses N-channel power MOS FETs in its driver stage.
By employing the power MOS FETs for the output stage, this driver circuit has a substantially improved saturation voltage
and power consumption as compared with conventional driver circuits that use bipolar transistors.
In addition, the drive current can be adjusted by an external resistor in a power-saving mode.
The
μ
PD16803 is therefore ideal as the driver circuit of the 2-phase excitation, bipolar-driven stepping motor for the head
actuator of an FDD.
FEATURES
Low ON resistance (sum of ON resistors of top and bottom transistors)
R
ON1
= 1.5
TYP. (V
M
= 5.0 V)
R
ON2
= 2.0
TYP. (V
M
= 12.0 V)
Low current consumption: I
DD
= 0.4 mA TYP.
Stop mode function that turns OFF all output transistors
Compact surface mount package: 20-pin plastic SOP (300 mil)
PIN CONFIGURATION (Top View)
1
3
4
5
6
7
8
9
10
C1H
C2L
1A
2A
PGND
V
M1
V
DD
INC
IN
1
IN
2
C1L
C2H
1B
2B
PGND
V
G
V
M2
DGND
R
X
PS
2
20
18
17
16
15
14
13
12
11
19
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