TD340 データシートの表示（PDF） - STMicroelectronics
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TD340 Datasheet PDF : 21 Pages
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TD340
ELECTRICAL CHARACTERISTICS
Vbatt= 12V, Tamb=-40°C to 125°C (unless otherwise specified)
Symbol
Parameter
ICC Total Supply Current
Istdby Supply Current in Standby Mode
StandbyH STDBY Pin Voltage for Standby OFF
StandbyL STDBY Pin Voltage for Standby ON
UVLO
Under Voltage Lockout - when
Vbatt<UVLO all buffer outputs are low
OVLO
Under Voltage Lockout - when
Vbatt>OVLO all buffer outputs are low
DRIVERS - Cbootstrap=47nF
Vgs
Static Gate-Source High Side Mosfet
Voltage (charge pump)
Vgsd
Dynamic Gate-Source High Side Mosfet
Voltage (bootstrap)
Freq Switching Frequency of PWM
td
Dead Time for secure Synchronous
Rectification
Output Current Capability - Low Side
Source
Ioutl
Sink
Output Current Capability - High Side
Source
Iouth
Sink
OSCILLATOR - Rosc=5.6k - Note 1
Fosc
Frequency of internal Step up converter
Oscillator
Vosc Oscillator Swing
Test Condition
T=25°C
-40°C < T < 125°C
T=25°C
-40°C < T < 125°C
Vbatt decreasing
Hyst. = 100mV typ.
Vbatt decreasing
Hyst. = 300mV
No Bootstrap Cap
Cf = 270pF
Cf=270pF, IN1=2.4V
No Load
Cload=4nF
T=25°C
-40°C < T < 125°C
T=25°C
-40°C < T < 125°C
T=25°C
-40°C < T < 125°C
T=25°C
-40°C < T < 125°C
T=25°C
-40°C < T < 125°C
Vbatt = 12V
Vbatt = 9V
Vbatt > UVLO
Min. Typ. Max. Unit
4.5 7 mA
5 10 mA
340 500 µA
550 µA
0.8
V
2
V
5.8 6.2 6.5 V
18.5 20 21.5 V
8
11 15
V
9
V
20 25 30 kHz
2.1 2.8 3.5 µs
1.5
µs
30 50 100 mA
25 50 100 mA
60 100 150 mA
50 100 150 mA
30 50 100 mA
25 50 100 mA
60 100 150 mA
50 100 150 mA
0.6 1 1.4 MHz
0.5 1 1.5 MHz
6.25
12
V
6.25
12
V
5.1
12.5 V
4/21
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