FDA1254-4R7M datasheet(5/28 Pages) PANASONICBATTERY

Part #	FDA1254-4R7M

Description	Synchronous DC-DC Step down Regulator comprising of Controller IC and Power MOSFET

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Manufacturer	PANASONICBATTERY [Panasonic Battery Group]

Direct Link	http://www.panasonic.com/industrial/batteries-oem/

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5 / 28 page

5

NN30312A

Ver. CEB

—

Ω

15

10

—

RPG

PGOOD ON resistance

—

%

6.5

5.0

3.5

PGOOD : Low to High

VHYSPG2

PGOOD Hysteresis 2

(VFB ratio for OVD release)

—

%

123

115

107

PGOOD : High to Low

VTHPG2

PGOOD Threshold 2

(VFB ratio for OVD detect)

—

%

6.5

5.0

3.5

PGOOD : Low to High

VHYSPG1

PGOOD Hysteresis 1

(VFB ratio for UVD release)

—

%

93

85

77

PGOOD : High to Low

VTHPG1

PGOOD Threshold 1

(VFB ratio for UVD detect)

PGOOD

—

V

4.5

4.2

3.9

VIN = 0 V to 5 V

VUVLORMV

UVLO recover voltage 1

—

V

4.1

3.8

3.5

VIN = 5 V to 0 V

VUVLODET

UVLO start voltage 1

Under Voltage Lock Out

VFB Characteristics

—

V

0.606

0.600

0.594

—

VFBTS

VFB comparator threshold

Limits

Typ

Unit

Max

Note

Min

Condition

Symbol

Parameter

ELECRTRICAL CHARACTERISTICS ( Continued )

Co = 22

μF X 3 (Murata), Lo= 1 μH (TDK), VOUT Setting = 3.3 V, V

IN = AVIN = PVIN = 12 V,

Switching Frequency = 750 kHz, MODE = VREG (FCCM), Ta = 25 °C ± 2 °C unless otherwise noted.

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FDA1254-4R7M Datasheet(PDF) 5 Page - Panasonic Battery Group

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