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參數(shù)資料
| 型號： | TB62300FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Dual Full-Bridge Driver for DC Motor |
| 中文描述： | 雙路全橋式直流電動機(jī)驅(qū)動器 |
| 文件頁數(shù)： | 13/28頁 |
| 文件大?。?/td> | 618K |
| 代理商： | TB62300FG |
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TB62300FG
2005-04-04
13
Electrical Characteristics 2
DC Characteristics
(
unless otherwise specified,
V
M
=
24 V, V
DD
=
5.0 V, T
opr
=
25
)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Output current interchannel error
I
OUT1
DC
Error in output current between
channels (I
OUT
=
1.5 A)
5.0
5.0
%
Output current setting error
I
OUT2
DC
I
OUT
=
1.5 A
5.0
5.0
%
RS pin current
I
RS
DC
μ
A
RON1
I
OUT
=
1.5 A, V
DD
=
5.0 V,
T
j
=
25 °C, forward direction
0.3
0.4
RON1
I
OUT
=
1.5 A, V
DD
=
5.0 V,
T
j
=
25 °C, reverse direction
0.3
0.4
RON2
I
OUT
=
1.5 A, V
DD
=
5.0 V,
T
j
=
105 °C, forward direction
0.4
0.55
Output transistor drain-source
ON-resistance
RON2
DC
I
OUT
=
1.5 A, V
DD
=
5.0 V,
T
j
=
105 °C, reverse direction
0.4
0.55
V
REF
input voltage
V
ref
DC
V
M
=
24 V, V
DD
=
5.0 V,
ENABLE, output operation
2.0
V
DD
V
V
REF
input current
I
ref
DC
V
ref
=
3.0 V,
V
M
=
24 V, V
DD
=
5.0 V,
SLEEP
100
μ
A
V
REF
attenuation ratio
V
ref
(GAIN)
DC
V
ref
=
3.0 V,
V
M
=
24 V, V
DD
=
5.0 V,
SLEEP
1/2.82
1/3
1/3.18
TSD operating temperature (Note 1)
T
j
TSD
DC
V
DD
=
5 V, V
M
=
24 V
130
170
°C
Overcurrent protection circuit
operating current
ISD
DC
V
DD
=
5 V, V
M
=
24 V
6.0
A
Vpor
(V
DD
)
DC
V
M
=
24 V
3.0
Output OFF mode supply voltage
Vpor
(V
M
)
DC
V
DD
=
5 V
15.0
V
Note 1: Thermal shutdown (TSD) circuit
When the IC junction temperature reaches the specified value and the TSD circuit is activated, the internal
reset circuit turns output off. The TSD activation temperature can be set within the range from 130
°
C (min)
to 170
°
C (max). Once the TSD circuit is activated, output is stopped until a pulse (L to H to L) is
subsequently applied to the SLEEP pin. The charge pump is halted while the TSD circuit is active.
The TSD circuit does not include hysteresis. Applying a pulse (L to H to L) to the SLEEP pin deactivates the
circuit.
Note 2: Overcurrent protection circuit (ISD)
This circuit is activated when a current pulse exceeding the specified output value is applied for a period of
1/2f
CHOP
(min) to f
CHOP
(max).
The circuit activates the internal reset circuit to turn output off.
Once it is activated, output is stopped until a pulse (L to H to L) is subsequently applied to the SLEEP pin.
While the ISD circuit is active, the IC is placed in SLEEP mode with the charge pump halted.
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