TPD1052F datasheet(5/12 Pages) TOSHIBA

Teilenummer	TPD1052F

Bauteilbeschribung	High-side Power Switch for Motor, Solenoid and Lamp Drivers

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Hersteller	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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TPD1052F

2012-01-20

5

Electrical Characteristics (Unless otherwise specified Tch = −40 to 125°C, VDD = 5 to 18V)

Characteristics

Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Operating supply voltage

VDD (opr)

⎯

5

12

18

V

Supply current

IDD

⎯

VDD = 12V, VIN = 0V,

Output open.

⎯

10

μA

Output leakage current

IOL

⎯

VIN = VOUT=0V

⎯

10

μA

VIH

⎯

VDD = 8 to 18V

2.0

⎯

V

Input voltage

VIL

⎯

VDD = 8 to 18V

⎯

0.8

V

IIN (1)

⎯

VIN = 5V

⎯

200

μA

Input current

IIN (2)

⎯

VIN = 0V

－

0.2

⎯

0.2

μA

Drain-source ON-resistance

RDS (ON)

⎯

VDD = 8 to 18V, IO = 0.5A,

VIN = 5V, Tch = 25°C

⎯

0.5

0.8

Ω

Diagnosis output

voltage

Low level

VDL

⎯

IDIAG = 1mA

⎯

0.4

V

Diagnosis output

current

High level

IDH

⎯

VDIAG = 5V

⎯

10

μA

IOC(clamp)

⎯

1.2

1.7

2.3

A

Overcurrent detection

IOC(duty)

⎯

VDD = 8 to 18V

0.8

1.3

1.8

A

Overtemperature detection

TOT

⎯

150

160

200

°C

Mask time(Note 2)

tmask

⎯

Cmask=0.033μF, Rmask=1MΩ,

VDD=8 to 18V, Tch=25℃

⎯

3.8

⎯

ms

tON

1

10

30

μs

Switching times

tOFF

1

VDD = 12V, RL = 24Ω,

Tch = 25°C

1

20

60

μs

Note 2: About the Mask time function

Mask time function is built in TPD1052F. Mask time is decided to prevent discharge electricity by

switching-mode overcurrent protection that occur by inrush current. To prevent discharge electricity by

overcurrent protection(switching) that operate by inrush current, Mask time is used. Overcurrent protection is

clamp current in Mask time from VIN=H.

Mask time can roughly set at nether expression.

⎟⎟

⎠

⎞

⎜⎜

⎝

⎛

−

×

−

=

mask

R

ref

R

1

ln

mask

R

mask

C

mask

t

[s]

Rref : Internal resistance 110kΩ(typ.)

※

When the Mask time is changed, please change Cmask in the state of Rmask=1MΩ.

※

When overcurrent protection(clamp) is operating, TPD1052F becomes high temperature. Therefore

please set Mask time for channel temperature to become 150℃ or less.

※

If you do not use Mask time, please open the MASK pin.

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