TPD1039F datasheet(4/10 Pages) TOSHIBA

4 / 10 page

TPD1039F

2008-03-18

Electrical Characteristics (Tch = 25°C)

Characteristics

Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Drain-source clamp voltage

V (CL)DSS

VIN = 0 V, ID = 1 mA

High-level input voltage

VIH

VDS = 10 to 40 V, ID ≥ 1 A

3.5

Low-level input voltage

VIL

VDS = 10 to 40 V, ID ≤ 10μA

0.8

Drain cut-off current

IDSS

VIN = 0 V, VDS = 40 V

μA

High-level input current

IIH

VIN = 5 V, at normal operation

400

μA

Drain-source ON-resistance

RDS(ON)

VIN = 5 V, ID = 1 A

0.25

Ω

Protective circuit operation input

Voltage range

VIN(opr)

3.5

Overtemperature detection

(Note 6)

TOT

VIN = 5 V, VDD = 12 V

125

°C

Overcurrent detection

IOC

VIN = 5 V, VDS = 24 V

ton

Switching times

toff

VDD = 24 V, VIN = 0 V/5 V,

RL = 24Ω

μs

Drain-source diode forward

Voltage

VDSF

VIN = 0 V, IDR = 1.5 A

0.9

1.8

Note 6: Overtemperature protection is tripped at a channel temperature of 125°C.

Ensure that the channel temperature, Tch, does not exceed 125°C under the worst-case conditions.

This feature is intended to protect the device against damage. The device reliability is not guaranteed if the

device persists to remain overtemperature protection mode.

Test Circuit 1

H-level input voltage, L-level input voltage measuring circuit

Test circuit

Measured waveforms

Test Circuit 2

Overtemperature detection measuring circuit

Test circuit

Measured waveforms

1 A

VIH

VIN

μA

VIL

TPD1039F

VDD = 10 to 40 V

SOURCE

DRAIN

VIN

TPD1039F

VDD = 12 V

RL = 1.2kΩ

SOURCE

DRAIN

VIN = 5 V

11 V

TOT

VDS

Ta increase

12 V

1 V

Ta decrease

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