TD340 datasheet(4/21 Pages) STMICROELECTRONICS

Numer części	TD340

Szczegółowy opis	H-BRIDGE QUAD POWER MOSFET DRIVER FOR DC MOTOR CONTROL

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TD340

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ELECTRICAL CHARACTERISTICS

Vbatt= 12V, Tamb=-40

°C to 125°C (unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

ICC

Total Supply Current

Tmin. <Tamb <Tmax.

T=25

°C

-40

°C < T < 125°C

4.5

5

7

10

mA

Istdby

Supply Current in Standby Mode

T=25

°C

-40

°C < T < 125°C

180

300

350

µA

StandbyH STDBY Pin Voltage for Standby OFF

0.8

V

StandbyL STDBY Pin Voltage for Standby ON

2

V

UVLO

Under Voltage Lockout - when

Vbatt<UVLO all buffer outputs are low

Vbatt decreasing

Hyst. = 100mV typ.

5.8

6.2

6.5

V

OVLO

Under Voltage Lockout - when

Vbatt>OVLO all buffer outputs are low

Vbatt decreasing

Hyst. = 300mV

18.5

20

21.5

V

DRIVERS - Cbootstrap=47nF

Vgs

Static Gate-Source High Side Mosfet Volt-

age (charge pump)

No Bootstrap Cap

8

11

15

V

Vgsd

Dynamic Gate-Source High Side Mosfet

Voltage (bootstrap)

9V

Freq

Switching Frequency of PWM

Cf = 270pF

20

25

30

kHz

td

Dead Time for secure Synchronous

Rectification

Cf=270nF, IN1=2.4V

No Load

Cload=4nF

2.1

2.8

1.5

3.5

µs

Ioutl

Output Current Capability - Low Side

Source

Sink

T=25

°C

40

°C < T < 125°C

T=25

°C

40

°C < T < 125°C

30

25

60

50

100

150

mA

Iouth

Output Current Capability - High Side

Source

Sink

T=25

°C

40

°C < T < 125°C

T=25

°C

40

°C < T < 125°C

30

25

60

50

100

150

mA

OSCILLATOR - Rosc=5.6k - Note 1

Fosc

Frequency of internal Step up converter

Oscillator

T=25

°C

40

°C < T < 125°C

0.6

0.5

1

1.4

1.5

MHz

Vosc

Oscillator Swing - note 7

Vbatt = 12V

Vbatt = 9V

Vbatt > UVLO

6.25

5.1

12

12.5

V

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