MIC2920A/29201/29202/29204

Micrel, Inc.

February 2005

3

M9999-021505

Absolute Maximum Ratings

Input Supply Voltage .................................................–20V to +60V

Adjust Input Voltage (Notes 9 and 10)......................–1.5V to +26V

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

Note 1

Operating Junction Temperature Range ............. –40°C to +125°C

Lead Temperature (Soldering, 5 seconds) ............................260°C

Storage Temperature Range ............................... –65°C to +150°C

If Military/Aerospace specified devices are required, contact your local

Micrel representative/distributor for availability and specifications.

Operating Ratings

Adjust Input Voltage (Notes 9 and 10)......................–1.5V to +26V

Shutdown Input Voltage ..........................................–0.3V to +30V

Error Comparator Output Voltage.............–0.3V to +30VOperating

Junction Temperature Range ............................. –40°C to +125°C

Thermal Characteristics:

SOT−223 θ

TO-220 θ

TO-263 θ

8-Pin SOIC θ

†

Across the full operating temperature, the minimum input voltage range for

full output current is 4.3V to 26V. Output will remain in-regulation at lower

output voltages and low current loads down to an input of 2V at 25°C.

Electrical Characteristics

Limits in standard typeface are for T

specified, V

eight pin MIC29204 is configured with the Adjust pin tied to the 5V Tap, the Output is tied to Output Sense (V

0.7V.

Symbol Parameter

Conditions

Min

Typ

Max

Units

V

O

Output Voltage

Accuracy

Variation from factory trimmed V

OUT

-1

-2

1

2

%

1mA ≤ I

-2.5

2.5

MIC2920A-12 and 29201-12 only

-1.5

-3

1.5

3

1mA ≤ I

-4

4

∆V

O

∆T

Output Voltage

Temperature Coef.

(Note 2)

20

100

ppm/°C

V

80

350

∆V

O

V

O

Line Regulation

V

0.03

0.10

0.40

%

∆V

O

V

O

Load Regulation

IL = 1 to 250mA (Note 3)

0.04

0.16

0.30

%

V

Dropout Voltage

(Note 4)

I

I

V

I

V

I

100

250

350

370

500

400

150

180

600

750

mV

I

GND

Ground Pin Current

(Note 5)

I

I

I

I

140

1.3

5

13

200

300

2

2.5

9

12

15

µA

mA

I

GNDDO

Ground Pin Current

at Dropout

(Note 5)

V

(V

I

180

400

µA

I

LIMIT

Current Limit

V

(Note 6)

425

100

1200

mA

∆V

O

∆P

D

Thermal Regulation

(Note 7)

0.05

0.2

%/W

e

n

Output Noise Voltage

(10Hz to 100kHz)

IL = 100mA

CL = 10µF

CL = 100µF

400

260

µV RMS