MIC2012

Micrel

MIC2012/2072

4

September 2000

Supply Voltage (V

EN1, EN2, S3# Input Pins ................................ –0.3V to 6V

FAULT#, OUT1, OUT2 Output Pins ................. –0.3V to 6V

FAULT Output Current ............................................... 25mA

ESD Rating, Note 3 ...................................................... 2kV

Supply Voltage (V

Ambient Temperature (T

Junction Temperature (T

Package Thermal Resistance

QSOP

(θ

SOIC

(θ

Electrical Characteristics

V

Symbol

Parameter

Condition

Min

Typ

Max

Units

V

MAIN

MAIN Supply Voltage

4.5

5.0

5.5

V

I

MAIN (ON)

MAIN Supply Current Switches On

S3# = 1, no load

16

22

µA

Note 5

I

MAIN (OFF)

MAIN Supply Current Switches Off

S3# = 1, no load

5

µA

Note 5, (MIC20x2-1, MIC20x2-2 only)

I

LEAK

MAIN Reverse Leakage Current,

S3# = 0, both switches ON, V

–10

+10

µA

V

AUX

AUX Supply Voltage

4.5

5.0

5.5

V

I

AUX ON

AUX Supply Current,

No load

.6

1

mA

both switches on, Note 5

S3# = 0

I

AUX OFF

AUX Supply Current, switches

No load

5

µA

off. (MIC20x2-1, MIC20x2-2 only)

S3# = 0

V

UV/AUX

AUX Undervoltage Lockout

V

3.5

3.7

4.0

V

Threshold

V

3.3

3.5

3.8

V

V

HYS

AUX Undervoltage Lockout

200

mV

Hysteresis

R

DSMAIN

MAIN On-Resistance, Each Output

S3# = 1, I

100

140

m

Ω

R

DSAUX

AUX On-Resistance, Each Output

S3# = 0, I

500

700

m

Ω

I

LIMIT(MAIN)

MAIN Current-Limit Threshold

S3# = 1, V

0.5

1.25

A

MAIN Short-Circuit Current-Limit

V

0.5

1.25

A

I

LIMIT(AUX)

AUXCurrent-Limit Threshold

S3# = 0, V

105

150

195

mA

AUX Short-Circuit Current-Limit

V

mA

V

TH

S3#, EN1, EN2. Input

High-to-Low transition

.8

1.5

V

Threshold Voltage

Low-to-High transition

1.7

2.0

V

(EN1, EN2, for MIC20x2-x only)

V

HYS

EN1, EN2 and S3# Input Hysteresis

200

mV

(EN1, EN2, for MIC20x2-x only)

I

IN

S3#, EN1, EN2 Input Current

V

–11

µA

(EN1, EN2, for MIC20x2-x only)

I

OFF

OUT1, OUT2 Leakage Current

Outputs are off, V

–10

10

µA

(MIC2012-x, MIC2072-x only)

Pull-Up Current During Latched

Outputs latched off

1

mA

Output State (MIC2072-1, -2)