STM704 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM704

3V Supervisor with Battery Switchover

STMicroelectronics 

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

Figure 37. MR Timing Waveform

MR

RST (1)

tMLRL

tMLMH

trec

Note: 1. RST for STM805.

Figure 38. Watchdog Timing

VCC

RST

trec

WDI

tWD

AI07837a

AI07891

Table 7. DC and AC Characteristics

Sym

Alter-

native

Description

VCC,

VBAT(2)

Operating Voltage

VCC Supply Current

ICC

VCC Supply Current in

Battery Back-up Mode

IBAT(4)

VBAT Supply Current in

Battery Back-up Mode

VOUT1

VOUT Voltage (Active)

VOUT2

VOUT Voltage (Battery

Back-up)

VCC to VOUT On-resistance

VBAT to VOUT On-resistance

Test Condition(1)

Min

Typ

Max Unit

TA = –40 to +85°C

1.1(3)

5.5

V

Excluding IOUT (VCC < 5.5V)

40

60

µA

Excluding IOUT (VCC < 3.6V)

35

50

µA

Excluding IOUT

(VBAT = 2.3V,

VCC = 2.0V, MR = VCC)

25

35

µA

Excluding IOUT

(VBAT = 3.6V)

0.4

1.0 µA

IOUT1 = 5mA(5)

VCC –

0.03

VCC –

0.015

V

IOUT1 = 75mA

VCC –

0.3

VCC –

0.15

V

IOUT1 = 250µA,

VCC > 2.5V(5)

VCC – VCC –

0.0015 0.0006

V

IOUT2 = 250µA, VBAT = 2.3V

VBAT –

0.1

VBAT –

0.034

V

IOUT2 = 1mA, VBAT = 2.3V

VBAT –

0.14

V

3

4

Ω

100

Ω

24/32

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