MIC29310 View Datasheet(PDF) - Micrel

Part Name

Description

Manufacturer

MIC29310

3A Fast-Response LDO Regulator

Micrel 

MIC29310/29312

Typical Characteristics

VIN = VOUT + 1V

MIC29312

EN

OUT

IN

ADJ

GND

VO U T

3.525V nominal

0.1µF 93.1k

1%

4 × 330µF

49.9k

1%

AVX

TPSE337M006R0100

tantalum

VOUT load (not shown):Intel® Power Validatro

MIC29312 Load Transient Response Test Circuit

Micrel

MIC29312 Line Transient Response

with 3A Load, 100F Output Capacitance

6.525V

4.525V

+20mV

3.525V

–20mV

200s/division

IOUT = 3A

COUT = 100F

MIC29312 Line Transient Response

with 3A Load, 10F Output Capacitance

6.525V

4.525V

+20mV

3.525V

–20mV

200s/division

IOUT = 3A

COUT =10F

MIC29312 Load Transient Response

(See Test Circuit Schematic)

+20mV

3.525V

–20mV

3A

1ms/division

200mA

0mA

MIC2931x Dropout Voltage

vs. Output Current

0.60

0.50

0.40

0.30

0.20

0.10

0.00

0

1

2

3

OUTPUT CURRENT (A)

November 2006

MIC2931x Dropout Voltage

vs. Temperature

1

0.8

0.6

0.4

ILOAD = 3A

0.2

0

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

5

MIC29310-3.3

Dropout Characteristics

5.0

4.0

ILOAD = 10mA

3.0

2.0

ILOAD = 3A

1.0

0.0

0

2

4

6

INPUT VOLTAGE (V)

MIC29310/29312

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