MP8763D ― 12A, 18V, SYNCHRONOUS STEP-DOWN CONVERTER

MP8763D Rev. 1.1

www.MonolithicPower.com

4

1/15/2015

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ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Supply Current

Supply Current (Shutdown)

0

1

μA

Supply Current (Quiescent)

760

860

960

μA

MOSFET

High-side Switch On Resistance

19.6

mΩ

Low-side Switch On Resistance

8.5

mΩ

Switch Leakage

0

1

μA

Current Limit

Low-side Valley Current Limit

(6)

15

A

Low-side Negative Current

Limit

(6)

-2.5

A

Timer

One-Shot On Time

250

ns

Minimum On Time

(6)

30

ns

Minimum Off Time

(6)

360

ns

Over-voltage and Under-voltage Protection

OVP Non-latch Threshold

LATCH

116%

120%

124%

OVP Delay

0.8

μs

UVP Threshold

(6)

50%

Reference And Soft Start/Shut-down

605

611

617

mV

Reference Voltage

(7)

602

611

620

mV

Feedback Current

50

100

nA

Soft Start Charging Current

16

20

25

μA

Soft Shut-down Charging Current

6

10

15

μA

Enable And UVLO

Enable Input Low Voltage

1.1

1.3

1.5

V

Enable Hysteresis

250

mV

0

Enable Input Current

0

μA