GRM188R72A104KA35L datasheet(7/33 Pages) PANASONIC

Part #	GRM188R72A104KA35L

Description	3 A Synchronous DC-DC Step down Regulator

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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7 / 33 page

NN30320A

Page 7 of 32

Product Standards

Parameter

Symbol

Condition

Limits

Unit Note

Min

Typ

Max

Protection

DC-DC Over Current

Protection Limit

ILMT

——

4.5

—

A

*1

DC-DC Short Circuit

Protection Threshold

Ishort

V

FB = 0.6 V to 0.0 V

50

60

70

%

—

Thermal Shut Down (TSD)

Threshold

T

TSDTH

—

130

—

C

*1

Thermal Shut Down (TSD)

Hysteresis

T

TSDHYS

——

34

—

C

*1

Soft Start Timing

SS Charge Current

ISSCH

V

SS = 0.3 V

1.1

2.3

3.5

µA

—

SS Discharge Resistance

(Shut down)

RSSDCH

V

EN = 0 V

—

5

10

k



—

Switching Frequency

DC-DC Switching Frequency 1

fSW1

I

OUT = 1.5 A

—

210

—

kHz

*1

DC-DC Switching Frequency 2

fSW2

I

OUT = 1.5 A

—

430

—

kHz

*1

DC-DC Switching Frequency 3

fSW3

I

OUT = 1.5 A

—

650

—

kHz

*1

Note :

*1 : Typical design value

ELECTRICAL CHARACTERISTICS (Continued)

C

O = 22 µF  2, LO = 1 µH, VOUT Setting = 1.2 V, VIN = AVIN = PVIN = 12 V,

Switching Frequency = 650 kHz, V

MODE = VREG (FCCM)

T

a = 25 C  2 C unless otherwise noted.

Doc No. TA4-EA-06187

Revision. 2

Established : 2013-06-20

Revised

: 2015-02-08

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