MAX6367HKA31-T datasheet(4/15 Pages) MAXIM

Part #	MAX6367HKA31-T

Description	SOT23, Low-Power 關P Supervisory Circuits with Battery Backup and Chip-Enable Gating

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Manufacturer	MAXIM [Maxim Integrated Products]

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SOT23, Low-Power µP Supervisory Circuits

with Battery Backup and Chip-Enable Gating

4

_______________________________________________________________________________________

Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

8

10

9

12

11

15

14

13

16

-40

0

-20

20

40

60

80

SUPPLY CURRENT

vs. TEMPERATURE (NO LOAD)

TEMPERATURE (°C)

VCC = 5.0V

VBATT = 0

0

0.2

0.6

0.4

0.8

1.0

1.2

BATTERY SUPPLY CURRENT

(BACKUP MODE) vs. TEMPERATURE

TEMPERATURE (

°C)

-40

20

40

-20

0

60

80

VBATT = 2.0V

VCC = 0

VBATT = 2.8V

0

2

1

4

3

7

6

5

8

-40

0

-20

20

40

60

80

BATT-TO-OUT ON-RESISTANCE

vs. TEMPERATURE

TEMPERATURE (°C)

VBATT = 5.0V

VBATT = 2.0V

VBATT = 2.8V

IOUT = 25mA

VCC = 0

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +2.4V to +5.5V, VBATT = +3.0V, CE IN = VCC, reset not asserted, TA = -40°C to +85°C. Typical values are at TA = +25°C,

unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RESET IN (MAX6368 only)

RESET IN Threshold

VRTH

1.185

1.235

1.285

V

RESET IN Leakage Current

±0.01

±25

nA

RESET IN to Reset Delay

VOD = 50mV, RESET IN falling

1.5

µs

CHIP-ENABLE GATING

CE IN Leakage Current

Reset asserted

±1

µA

CE IN to CE OUT Resistance

Reset not asserted (Note 4)

20

100

Ω

CE OUT Short-Circuit Current

Reset asserted, CE OUT = 0

0.75

2.0

mA

VCC = 4.75V

1.5

7

CE IN to CE OUT Propagation

Delay

50

Ω source,

CLOAD = 50pF

VCC = 3.15V

2

9

ns

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

0.8 ✕ VCC

CE OUT Output Voltage High

VCC = 0, VBATT > 2.2V, ISOURCE = 1µA

VBATT -

0.1

V

Reset-to-CE OUT Delay

12

µs

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

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

Note 3: RESET is pulled up to OUT. Specifications apply for OUT = VCC or OUT = BATT.

Note 4: The chip-enable resistance is tested with VCC = VTH(MAX) and CE IN = VCC/2.

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MAX6367HKA31-T Datasheet(PDF) 4 Page - Maxim Integrated Products

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