May 7, 1998

3

MIC2527

MIC2527

Micrel

Electrical Characteristics

V

Parameter

Condition

Min

Typ

Max

Units

Supply Current

Note 1, switch off, OUT = open

1.5

µA

Note 1, all switches on, OUT = open

220

µA

Enable Input Threshold

low to high transition

2.1

2.4

V

high to low transition, Note 1

0.8

1.9

V

Enable Input Current

V

0.01

1

µA

V

0.01

1

µA

Enable Input Capacitance

1pF

Switch Resistance

each switch

200

300

m

Ω

Output Turn-On Delay

R

0.5

ms

Output Turn-On Rise Time

R

1

ms

Output Turnoff Delay

R

1

20

µs

Output Turnoff Fall Time

R

1

20

µs

Output Leakage Current

each output

10

µA

Short-Circuit Current Limit

each output

0.5

0.75

1.25

A

Overtemperature Shutdown

T

135

°C

Threshold

T

125

°C

Error Flag Output Resistance

V

10

Ω

V

15

Ω

Error Flag Off Current

V

0.01

1

µA

UVLO Threshold

V

2.5

V

V

2.3

V

General Note: Devices are ESD protected, however, handling precautions recommended.

Note 1:

Off is

≤ 0.8V and on is ≥ 2.4V for the MIC2527-1. Off is ≥ 2.4V and on is ≤ 0.8V for the MIC2527-2. The enable input has approximately

200mV of hysteresis. See control threshold charts.

Absolute Maximum Ratings

Supply Voltage (V

Fault Flag Voltage (V

Fault Flag Current (I

Output Voltage (V

Output Current (I

Control Input (V

Storage Temperature (T

Lead Temperature (Soldering 5 sec.) ....................... 260

°C

Operating Ratings

Supply Voltage (V

Ambient Operating Temperature (T

Thermal Resistance

SOIC (

θ

DIP(

θ

Red Electrical Characteristics

are

CONFIDENTIAL