MP8762 ― 10A, 18V, SYNCHRONOUS STEP-DOWN CONVERTER

MP8762 Rev. 1.4

www.MonolithicPower.com

3

11/4/2013

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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

21

mΩ

Low-side Switch On Resistance

7

mΩ

Switch Leakage

0

1

μA

Current Limit

Low-side Valley Current Limit

(6)

9.5

11

12.5

A

Low-side Negative Current Limit

(6)

-4

-2.5

-1

A

Timer

Minimum On Time

(6)

20

30

40

ns

One-Shot On Time

250

ns

Minimum Off Time

(6)

50

100

150

ns

Over-voltage and Under-voltage Protection

OVP Latch Threshold

(6)

127%

130%

133%

OVP Non-latch Threshold

LATCH

117%

120%

123%

OVP Delay

2

μs

UVP Threshold

(6)

50%

Reference And Soft Start

(7)

602

611

620

Reference Voltage

605

611

617

mV

Feedback Current

50

100

nA

Soft Start Charging Current

16

20

25

μA

Enable And UVLO

Enable Input Low Voltage

1.1

1.3

1.5

V

Enable Hysteresis

250

mV

5

Enable Input Current

0

μA