HA13408 PDF даташит
Спецификация HA13408 изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «9-Channel Power Driver». |
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Детали детали
Номер произв | HA13408 |
Описание | 9-Channel Power Driver |
Производители | Hitachi Semiconductor |
логотип |
8 Pages
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HA13408
9-Channel Power Driver
ADE-207-206 (Z)
1st Edition
July 1996
Description
The HA13408 9-channel power driver IC is designed to drive dot matrix printer head. This IC can drive 9
pins without using any external components. HA13408 can be used for 2 system four-phase step drive, as
every channel is used independently.
Features
• High output current: 1.5 A/channel Max
• High sustaining voltage: 50 V Min
• Low saturation voltage
• Low supply current
• Low input current
• Compatible with TTL, LSTTL & 5 V CMOS
• Low thermal resistance package
• Zener diodes
Truth Table
Input
Low
High
Open
Output
On
Off
Off
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HA13408
Block Diagram
VCC1 4 to 6 V
2
IN 1 4
IN 2 6
IN 3 8
IN 4 10
IN 5 12
IN 6 14
IN 7 16
IN 8 18
IN 9 20
22
GND
VCC2
24 V ± 10%
Out 1
1
Out 2
3
Out 3
7
GND
5
9
Out 4
Out 5
11
Out 6
15
GND
13
17
Out 7
Out 8
21
TAB
Out 9
23
GND
19
2
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HA13408
Peak Current and Turn-Off Time
Figure 1 shows load current (Iout) and output terminal voltage (Vout) waveforms for the HA13408 driving an
inductive load.
Vin
Hi
Low
ton
T
IP
Iout 0
tsus
VCE(sus)
Vout VCC2
VCE(sat)
Figure 1 Output Waveforms
The peak output current (Ip) and sustain time (tsus) are obtained as follows;
IP =
VCC2 – VCE(sat)
R
R
1 – exp – L ton
=..
VCC2
R
R
1 – exp – L ton
tsus =
L
R
ln 1 +
IP • R
VCE(sus) – VCC2
Where L is load self-inductance and R is load direct current resistance.
For example, under the following conditions:
L = 5 mH,
R = 22 Ω
Supply voltage VCC2 = 24 V,
Time to drive load ton = 0.42 ms.
Peak current (Ip) and sustain time (tsus) are then:
IP = 0.87 A
(1)
(2)
3
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