Micrel

MIC2003/MIC20013

October 2005

4

M9999-102605

All other pins.................................................. –0.3 to 5.5V

Power Dissipation.................................. Internally Limited

Continuous Output Current..................................... 2.25A

Maximum Junction Temperature........................... 150

°C

Storage Temperature .............................. –65

°C to 150°C

Supply Voltage............................................. 2.5V to 5.5V

Continuous Output Current Range .................... 0 to 2.1A

Ambient Temperature Range ....................–40

°C to 85°C

Package Thermal Resistance (

SOT-23-5 .............................................

230°C/W

MLF 2x2 mm

90°C/W

Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Switch Input Voltage

2.5

5.5

V

Internal Supply Current

Switch = OFF,

ENABLE = 0V

1

5

µA

Internal Supply Current

ENABLE = 1.5V

80

300

µA

Output Leakage Current

= 0

12

100

µA

70

100

mΩ

Power Switch Resistance

125

mΩ

Current Limit: –0.5

0.5

0.7

0.9

A

Current Limit: –0.8

0.8

1.1

1.5

A

Current Limit: –1.2

1.2

1.6

2.1

A

Secondary current limit

(Kickstart)

2.2

4

6

A

145

Over-temperature Threshold

135

°C