MIC5219

Micrel

MIC5219

4

April 2001

Electrical Characteristics

V

Symbol

Parameter

Conditions

Min

Typical

Max

Units

V

OUT

Output Voltage Accuracy

variation from nominal V

OUT

–11

%

–22

%

∆V

Output Voltage

Note 2

40

ppm/

°C

Temperature Coefficient

∆V

Line Regulation

V

0.009

0.05

%/V

0.1

∆V

Load Regulation

I

0.05

0.5

%

0.7

V

Dropout Voltage, Note 4

I

60

mV

80

I

115

175

mV

250

I

175

300

mV

400

I

350

500

mV

600

I

GND

Ground Pin Current, Notes 5, 6

V

80

130

µA

170

V

350

650

µA

900

V

1.8

2.5

mA

3.0

V

12

20

mA

25

Ground Pin Quiescent Current,

V

0.05

3

µA

Note 6

V

0.10

8

µA

PSRR

Ripple Rejection

f = 120Hz

75

dB

I

LIMIT

Current Limit

V

700

1000

mA

∆V

Thermal Regulation

Note 7

0.05

%/W

e

no

Output Noise

I

500

nV/ Hz

I

300

nV/ Hz

ENABLE Input

V

ENL

Enable Input Logic-Low Voltage

V

0.4

V

0.18

V

2.0

V

I

ENL

Enable Input Current

V

0.01

–1

µA

V

0.01

–2

µA

I

ENH

V

2

5

20

µA

25

Absolute Maximum Ratings

Supply Input Voltage (V

Power Dissipation (P

Junction Temperature (T

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

°C

Operating Ratings

Supply Input Voltage (V

Enable Input Voltage (V

Junction Temperature (T

Package Thermal Resistance ......................... see Table 1