MAX16922ATPD(2009) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX16922ATPD
(Rev.:2009)

2.2MHz, Dual, Step-Down DC-DC Converters, Dual LDOs, and RESET

Maxim Integrated 

2.2MHz, Dual, Step-Down DC-DC

Converters, Dual LDOs, and RESET

ELECTRICAL CHARACTERISTICS (continued)

(VPV1 = 13.5V, VPV2 = VPV3 = VOUT1, VPV4 = VOUT2; TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at

TA = +25°C under normal conditions, unless otherwise noted.) (Note 2)

PARAMETER

RESET

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

OUT1 OV Threshold

110

%

OUT1 Reset Threshold

OUT2 Reset Threshold

Reset option 1 (see the Selector Guide)

Reset option 2 (see the Selector Guide)

Percentage of nominal output

85

90

95

%

75

80

85

85

90

95

%

Reset Timeout Period

Output-High Leakage Current

Output Low Level

UV Propagation Time

EN LOGIC INPUT

EN Threshold Voltage

EN Threshold Hysteresis

Input Current

PWM LOGIC INPUT

Input High Level

Input Low Level

Logic-Input Current

Reset timeout option 1 (see the Selector

Guide)

Reset timeout option 2 (see the Selector

Guide)

Sinking -3mA

EN rising

VEN = 5V

PWM rising

PWM falling

0 ≤ VPWM ≤ 5.5V

14.9

ms

1.9

1

µA

0.4

V

28

µs

1.4

1.8

2.2

V

0.2

V

0.5

µA

1.8

V

0.4

V

1

µA

Note 2: All units are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.

Note 3: Once PVI exceeds undervoltage-lockout rising threshold 4.0V and the device is in regulation.

Note 4: Guaranteed by design. Not product tested.

4 _______________________________________________________________________________________

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