STM690_06 datasheet(25/32 Pages) STMICROELECTRONICS

Part #	STM690

Description	3V Supervisor with Battery Switchover

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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STM690/704/795/802/804/805/806

ILI

Input Leakage Current (MR)

STM704/806 only;

MR = 0V, VCC = 3V

20

75

350

µA

Input Leakage Current (PFI)

0V = VIN = VCC

–25

2

+25

nA

Input Leakage Current (WDI)

0V = VIN = VCC

–1

+1

µA

ILO

Output Leakage Current

STM804/805/795;

0V = VIN = VCC

(6)

–1

+1

µA

VIH

Input High Voltage (MR, WDI)

VRST (max) < VCC < 5.5V

0.7VCC

V

VIL

Input Low Voltage (MR, WDI)

VRST (max) < VCC < 5.5V

0.3VCC

V

VOL

Output Low Voltage (PFO,

RST, RST, Vccsw)

VCC = VRST (max),

ISINK = 3.2mA

0.3

V

Output Low Voltage (ECON)

VCC = VRST (max),

IOUT = 1.6mA, E = 0V

0.2VCC

V

VOL

Output Low Voltage (RST)

IOL = 40µA,

VCC = 1.0V, VBAT = VCC,

TA = 0°C to 85°C

0.3

V

IOL = 200µA,

VCC = 1.2V, VBAT = VCC

0.3

V

VOH

Output High Voltage (RST,

RST)(7)

ISOURCE = 1mA,

VCC = VRST (max)

2.4

V

Output High Voltage (ECON)

VCC = VRST (max),

IOUT = 1.6mA, E = VCC

0.8VCC

V

Output High Voltage (PFO)

ISOURCE = 75µA,

VCC = VRST (max)

0.8VCC

V

VOHB

VOH Battery Back-up (Vccsw,

RST)

ISOURCE = 100µA,

VCC = 0V, VBAT = 2.8V

0.8VBAT

V

VOH Battery Back-up (ECON)

ISOURCE = 75µA,

VCC = 0V, VBAT = 2.8V

0.8VBAT

V

Power-fail Comparator (NOT available on STM795)

VPFI

PFI Input Threshold

PFI Falling

(VCC < 3.6V)

STM802/

804/806

1.212

1.237

1.262

V

STM690/

704/805

1.187

1.237

1.287

V

PFI Hysteresis

PFI Rising (VCC < 3.6V)

10

20

mV

tPFD

PFI to PFO Propagation

Delay

2µs

ISC

PFO Output Short to

GND Current

VCC = 3.6V, PFO = 0V

0.1

0.75

2.0

mA

Battery Switchover

VSO

Battery Back-up

Switchover Voltage (8,9)

Power-down

VBAT > VSW

VSW

V

VBAT < VSW

VBAT

V

Power-up

VBAT > VSW

VSW

V

VBAT < VSW

VBAT

V

VSW

2.4

V

Hysteresis

40

mV

Sym

Alter-

native

Description

Test Condition(1)

Min

Typ

Max

Unit

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STM690 Datasheet(PDF) 25 Page - STMicroelectronics

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