Electrical Characteristics (continued)

Note 2: Device not in dropout condition.

Note 3: Guaranteed by design; not production tested.

Note 4: Contact the factory for SYNC frequency outside the specified range.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Oscillator Frequency

400

kHz

2.0

2.2

2.4

MHz

SYNC, EN, AND SPS LOGIC THRESHOLDS

External Input Clock Acquisition

Time

1

Cycle

External Input Clock Frequency

1.8

2.6

MHz

External Input Clock High

Threshold

1.4

V

External Input Clock Low

Threshold

0.4

V

FSYNC Leakage Current

1

µA

Soft-Start Time

5.6

8

12

ms

Enable Input High Threshold

2.4

V

Enable Input Low Threshold

0.6

V

Enable Threshold-Voltage

Hysteresis

0.2

V

Enable Input Current

0.1

1

µA

Spread-Spectrum Input High

Threshold

2.0

V

Spread-Spectrum Input Low

Threshold

0.4

V

Spread-Spectrum Input Current

0.1

1

µA

POWER-GOOD AND OVERVOLTAGE-PROTECTION THRESOLDS

PGOOD Switching Level

93

95

97

90

92.5

95

PGOOD Debounce Time

25

µs

PGOOD Output Low Voltage

0.4

V

PGOOD Leakage Current

1

µA

Overvoltage Protection

Threshold

107

%

104

(MAX20002C/MAX20003C only)

105

(MAX20002C/MAX20003C only)

103

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Maxim Integrated │ 5

MAX20002/MAX20003

36V, 220kHz to 2.2MHz, 2A/3A Fully

Integrated Step-Down Converters

with 15μA Operating Current