MAX16035PLB46 查看數據表（PDF） - Maxim Integrated

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MAX16035PLB46

Low-Power Battery Backup Circuits in Small µDFN Packages

Maxim Integrated 

Low-Power Battery Backup

Circuits in Small µDFN Packages

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 2.25V to 5.5V, VBATT = 3V, RESET not asserted, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =

+25°C.) (Note 1)

PARAMETER

SYMBOL

WATCHDOG (MAX16034/MAX16038)

CONDITIONS

MIN TYP MAX

Watchdog Timeout Period

Minimum WDI Input Pulse Width

tWD

tWDI

(Note 4)

1.00 1.65 2.25

100

VIL

WDI Input Voltage

VIH

WDI Input Current

0.7 x

VCC

-1.0

0.3 x

VCC

+1.0

BATTON (MAX16035/MAX16039)

Output Voltage

VOL

ISINK = 3.2mA, VBATT = 2.1V

Output Short-Circuit Current

Sink current, VCC = 5V

Source current, VBATT > 2V

RESETIN (MAX16036/MAX16040)

RESETIN Threshold

VRTH

RESETIN Input Current

RESETIN to Reset Delay

(VRTH + 100mV) to (VRTH - 100mV)

CHIP-ENABLE GATING (MAX16033–MAX16036)

CEIN Leakage Current

RESET asserted

0.4

60

10

30

120

1.185

1.235

0.01

1.5

1.285

25

±1

CEIN to CEOUT Resistance

CEOUT Short-Circuit Current

CEIN to CEOUT Propagation

Delay (Note 4)

RESET not asserted, VCC = VTH(MAX),

VCEIN = VCC / 2, ISINK = 10mA

RESET asserted, VCEOUT = 0V

50Ω source impedance driver, VCC = 4.75V

CLOAD = 50pF

VCC = 3.15V

100

1

2.0

1.5

7

2

9

CEOUT Output-Voltage High

RESET to CEOUT Delay

VCC = 5V, VCC > VBATT, ISOURCE = 100µA

VCC = 0V, VBATT > 2.2V, ISOURCE = 1µA

0.7 x

VCC

VBATT

- 0.1

1

Note 1: All devices are 100% production tested at TA = +25°C. All overtemperature limits are guaranteed by design.

Note 2: VBATT can be 0V any time, or VCC can go down to 0V if VBATT is active (except at startup).

Note 3: Positive current flows into BATT.

Note 4: Guaranteed by design.

UNITS

s

ns

V

µA

V

mA

µA

V

nA

µs

µA

Ω

mA

ns

V

µs

4 _______________________________________________________________________________________

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