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UDN2547

PROTECTED QUAD POWER DRIVER

Allegro MicroSystems 

2547

PROTECTED

QUAD POWER DRIVER

ELECTRICAL CHARACTERISTICS at TA = +25°C (prefix ‘UDN’) or over operating

temperature range (prefix ‘UDK’ or ‘UDQ’), VCC = 4.75 V to 5.5 V

Characteristic

Output Leakage Current*

Output Sustaining Voltage

Output Saturation Voltage

Symbol

IOUT

VOUT(SUS)

VOUT(SAT)

Over-Current Limit

Input Voltage

Input Current

Fault Output Leakage Current

Fault Output Current

IOUT

Logic 1

Logic 0

Logic 1

Logic 0

IF

IF

Fault Output Saturation Voltage

Total Supply Current

VF(SAT)

ICC

Thermal Shutdown

TJ

Thermal Hysteresis

∆TJ

Test Conditions

VOUT = 60 V, VIN = 0.8 V, VEN = 2.0 V

VOUT = 60 V, VIN = 2.0 V, VEN = 0.8 V

IOUT = 100 mA, VIN = 0.8 V, VCC = Open

IOUT = 400 mA

IOUT = 500 mA

IOUT = 600 mA

5 ms PulseTest, VOUT = 5.0 V

VIN(1) or VEN(1)

VlN(0) or VEN(0)

VIN(1) or VEN(1) = 2.0 V

VIN(0) or VEN(0) = 0.8 V

VF = 40 V

VF = 40 V, Driver Outputs Open,

VIN = 0.8 V, VEN = 2.0 V

IF = 30 µA

All Outputs ON

All Outputs OFF

Min.

—

—

40

—

—

—

—

2.0

—

—

10

—

Limits

Typ. Max.

30 150

30 150

—

—

— 300

— 400

— 550

1. 3 1.7

—

—

— 0.8

—

60

—

—

<1.0 2.0

40

60

80

—

0.1 0.4

—

45 50

—

6.0 10

— 165 —

—

15

—

Units

µA

µA

V

mV

mV

mV

A

V

V

µA

µA

µA

µA

V

mA

mA

°C

°C

Typical Data is for design information only.

*Measurement includes XOR input current

and other elements.

TRUTH TABLE

STATUS

INN

ENABLE

Normal Load

H

H

L

H

X

L

Over-Current or

Short to Supply

H

H

Thermal Fault

H

H

Open Load or

Short to Ground

L

H

X = Don’t care. R = Linear drive, current limited.

OUTN

L

H

H

R

H

L

FAULT

H

H

H

L

L

L

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