MAX16977SATE datasheet(4/17 Pages) MAXIM

Part #	MAX16977SATE

Description	36V, 2A, 2.2MHz Step-Down Converter with Low Operating Current

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Manufacturer	MAXIM [Maxim Integrated Products]

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�� Maxim Integrated Products 4

MAX16977

36V, 2A, 2.2MHz Step-Down Converter

with Low Operating Current

ELECTRICAL CHARACTERISTICS (continued)

(VSUP = VSUPSW = 14V, VEN = 14V, CBIAS = 1FF, RFOSC = 12kI, TA = TJ = -40NC to +125NC, unless otherwise noted. Typical values

are at TA = +25NC.)

Note 2: Guaranteed by design; not production tested.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

External Input Clock

Low Threshold

VFSYNC_LO

VFSYNC falling

0.4

V

Soft-Start Time

tSS

8.5

ms

ENABLE INPUT (EN)

Enable Input-High Threshold

VEN_HI

2

V

Enable Input-Low Threshold

VEN_LO

0.9

V

Enable Threshold Voltage

Hysteresis

VEN,HYS

0.2

V

Enable Input Current

IEN

TA = +25NC

1

F

A

RESET

Output Overvoltage Trip

Threshold

VOUT_OV

105

110

115

%VFB

PGOOD Switching Level

VTH_RISING

VFB rising, VPGOOD = high

93

95

97

%VFB

VTH_FALLING VFB falling, VPGOOD = low

90

92.5

95

PGOOD Debounce

10

35

60

F

s

PGOOD Output Low Voltage

ISINK = 5mA

0.4

V

PGOOD Leakage Current

VOUT in regulation, TA = +25NC

1

F

A

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