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TD340D 데이터시트(PDF) 5 Page - STMicroelectronics

부품명 TD340D
상세설명  H-BRIDGE QUAD POWER MOSFET DRIVER FOR DC MOTOR CONTROL
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ELECTRICAL CHARACTERISTICS (continued)
Vbatt= 12V, Tamb=-40
°C to 125°C (unless otherwise specified)
Symbol
Parameter
Test Conditio n
Min.
Typ.
Max.
Unit
VOLTAGE REGULATOR - Co=220nF - note 2
Vout
Output Voltage
Io=20mA
T=25
°C
40
°C < T < 125°C
4.6
4.5
5
5
5.4
5.5
V
V
Line
Reg
Line Regulation
6V < Vbatt < 16V, Io=20mA
T=25
°C
40
°C < T < 125°C
100
150
mV
mV
Load
Reg
Load Regulation
0
≤ Io ≤ 40mA
T=25
°C
40
°C < T < 125°C
20
40
mV
mV
Io
Maximum Output Current
Vbatt = 12V
6V < Vbatt < 16V
40
20
mA
mA
Ios
Output Current Short Circuit
Vout=0
100
200
mA
RESET SUPERVISORY CIRCUIT - note 3
Vthi
Threshold Voltage Vout Increasing
T=25
°C
40
°C < T < 125°C
4.0
3.9
4.3
4.5
4.6
V
V
Vthd
Threshold Voltage Vout Decreasing
T=25
°C
40
°C < T < 125°C
3.9
3.8
4.2
4.4
4.5
V
V
ki
Linearity coefficient (Vthi = ki Vout)
0.86
kd
Linearity coefficient (Vthd = kd Vout)
0.84
Vhys
Hysteresis Threshold Voltage
50
100
200
mV
tphl
Response Time High to Low
5
µs
WATCHDOG CIRCUIT
twd
Watchdog Time Out Period
No ext. capacitor
Cwd = 47nF - note 4
0.5
0.7
1
1
2
1.5
ms
s
tipw
Watchdog Input Pulse Width for Proper
Retrigger
0.1
µs
tipr
Watchdog Input Rise Time for Proper
Retrigger
0.1
µs
treset
Reset Pulse Width
10
20
40
µs
TEMPERATURE OUTPUT
VT
Output Voltage
T= 25oC
2.58
2.68
2.78
V
∆V
T
Output Temperature Drift
-7
-7.5
-7.8
mV/
oC
Notes :
1. For proper operation, a 5.6k resistor needs to be connected between OSC and GND.
2. 220nF is the optimized value for the voltage regulator
3. The reset thresholds (Vout increasing and decreasing) are proportional to Vout, (coefficients ki and kd). ki and kd vary in the same direc-
tion with temperature.
4. Watchdog capacitor Cwd should be placed as close as possible to CWD pin.


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