TA8063F 데이터 시트보기 (PDF) - Toshiba
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TA8063F Datasheet PDF : 10 Pages
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TA8063F
BLOCK DIAGRAM AND PIN ASSIGNMENT
DI3
NC
DI4 L･G2 DG2
OUT4 P･G2 NC OUT3 VCC2
20
19
18
17
16
FIN
15
14
13
12
11
CONTROL LOGIC
OVER-VOLTAGE
PROTECTION
OVER-VOLTAGE
PROTECTION
CONTROL LOGIC
DIAG CONTROL
THERMAL
PROTECTION
DIAG CONTROL
SHORT
PROTECTION
SHORT
PROTECTION
1
2
DI1
NC
PIN DESCRIPTION
3
4
5
DI2 L･G1 DG1
FIN
6
7
8
9
10
OUT2 P･G1 NC OUT1 VCC1
PIN No.
1, 20
3, 18
4, 17
5, 16
6, 15
9, 12
7, 14
10, 11
2, 8, 13, 19
SYMBOL
DESCRIPTION
DI1, DI3
DI2, DI4
L·G1, L·G2
DG1 , DG2
OUT2, OUT4
OUT1, OUT3
P·G1, P·G2
VCC1, VCC2
NC
Input pins used to control output. H : output on
(See Table 1, Truth Table.)
Ground pins for Logic portion.
Self-diagnosis output pins (See Table 2, Truth Table & Timing Chart.) NPN transistor
open-collector output. When output becomes overcurrent, set to on; duty 97% on (low).
At normal operation, set to open (high).
DG1 : OR output of OUT1 & OUT2
DG2 : OR output of OUT3 & OUT4
Connected to load, with source 0.5A. Features overcurrent detection function to protect IC from
instantaneous destruction at load short (See section on Multiple Protections below.) Features
diodes for absorbing counter electromotive force built into both VCC and GND sides.
Ground pins for output portion.
Power supply pin. When more than 30V is applied, overvoltage protection function turns off
output to protect the IC and motor load.
Not connected. (Electrically, this pin is completely open.)
2
2002-02-27
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