MIC2124YMM datasheet(5/24 Pages) MICREL

Part #	MIC2124YMM

Description	Constant Frequency, Synchronous Current Mode Buck Controller

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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Micrel, Inc.

MIC2124

June 2010

5

M9999-060810-D

Typical Characteristics

Output Voltage

vs. Load Current

2.40

2.45

2.50

2.55

2.60

012

345

LOAD CURRENT (A)

VIN = VHSD = 5V

Output Voltage Change

vs. Input Voltage

-70

-50

-30

-10

10

30

50

70

3.03.5

4.04.5

5.05.5

INPUT VOTLAGE (V)

VOUT = 0.8V

VOUT = 2.5V

VIN = VHSD

IOUT = 5A

Efficiency

vs. Load Current

40

50

60

70

80

90

100

0.1

1.0

10.0

LOAD CURRENT (A)

VOUT = 2.5V

VOUT = 1.5V

VIN = VHSD = 5V

Output Voltage

vs. Input Voltage

0.790

0.795

0.800

0.805

0.810

10.8

11.4

12.0

12.6

13.2

INPUT VOTLAGE (V)

IOUT = 5A

Switching Frequency

vs. Input Voltage

250

270

290

310

330

350

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOTLAGE (V)

85°C

25°C

-40°C

VIN = VHSD

VOUT = 1.8V

IOUT = 2.5A

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MIC2124YMM Datasheet(PDF) 5 Page - Micrel Semiconductor

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