MIC45212-1YMP-T1 Ver la hoja de datos (PDF) - Micrel

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Fabricante

MIC45212-1YMP-T1

26V/14A DC-to-DC Power Module

Micrel 

Micrel, Inc.

MIC45212

Absolute Maximum Ratings(2)

VPVIN, VVIN to PGND ....................................... −0.3V to +30V

VPVDD, V5VDD, VANODE to PGND ........................ −0.3V to +6V

VSW, VFREQ, VILIM, VEN to PGND ............ −0.3V to (VIN +0.3V)

VBST to VSW ........................................................ −0.3V to 6V

VBST to PGND .................................................. −0.3V to 36V

VPG to PGND .................................. −0.3V to (5VDD + 0.3V)

VFB, VRIB to PGND .......................... −0.3V to (5VDD + 0.3V)

PGND to GND .............................................. −0.3V to +0.3V

Junction Temperature .............................................. +150°C

Storage Temperature (TS) ......................... −65°C to +150°C

Lead Temperature (soldering, 10s)............................ 260°C

Operating Ratings(3)

Supply Voltage (VPVIN, VVIN) .............................. 4.5V to 26V

Output Current ............................................................... 14A

Enable Input (VEN) .................................................. 0V to VIN

Power Good (VPG) ............................................. 0V to 5VDD

Junction Temperature (TJ) ........................ −40°C to +125°C

Junction Thermal Resistance(4)

12mm × 12mm × 4mm QFN-64 (θJA) ............12.6°C/W

12mm × 12mm × 4mm QFN-64 (θJC) .............. 3.5°C/W

Electrical Characteristics(5)

VIN = VEN = 12V, VOUT = 3.3V, VBST − VSW = 5V, TJ = +25ºC. Bold values indicate −40ºC < TJ < +125ºC, unless otherwise noted.

Parameter

Condition

Min.

Typ. Max. Units

Power Supply Input

Input Voltage Range (VPVIN, VIN)

Quiescent Supply Current

(MIC45212-1)

VFB = 1.5V

4.5

26

V

0.75

mA

Quiescent Supply Current

(MIC45212-2)

VFB = 1.5V

2.1

3

mA

Operating Current

Shutdown Supply Current

5VDD Output

VPVIN = VIN = 12V,

VOUT = 1.8V, IOUT = 0A,

fSW = 600kHz

MIC45212-1

MIC45212-2

SW = unconnected, VEN = 0V

0.37

mA

54

0.1

10

µA

5VDD Output Voltage

5VDD UVLO Threshold

5VDD UVLO Hysteresis

LDO Load Regulation

Reference

VIN = 7V to 26V, I5VDD = 10mA

V5VDD rising

V5VDD falling

I5VDD = 0 to 40mA

4.8

5.1

5.4

V

3.8

4.2

4.6

V

400

mV

0.6

2

3.6

%

Feedback Reference Voltage

FB Bias Current

Enable Control

EN Logic Level High

TJ = 25°C

−40°C ≤ TJ ≤ 125°C

VFB = 0.8V

0.792

0.784

1.8

0.8 0.808

V

0.8 0.816

5

500

nA

V

EN Logic Level Low

0.6

V

EN Hysteresis

EN Bias Current

VEN = 12V

Notes:

2. Exceeding the absolute maximum rating may damage the device.

3. The device is not guaranteed to function outside operating range.

4. θJA and θJC were measured using the MIC45212 evaluation board.

5. Specification for packaged product only.

200

mV

5

10

µA

March 5, 2015

4

Revision 1.1

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