STM802 datasheet(32/42 Pages) STMICROELECTRONICS

tên linh kiện	STM802

Giải thích chi tiết về linh kiện	3 V supervisor with battery switchover

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DC and AC parameters

STM690, STM704, STM795, STM802, STM804, STM805, STM806

32/42

Doc ID 10519 Rev 9

Figure 36.

MR timing waveform

RST for STM805.

Figure 37.

Watchdog timing

AI07837a

RST

(1)

tMLRL

trec

tMLMH

AI07891

RST

WDI

VCC

trec

tWD

Table 7.

DC and AC characteristics

Sym

Alter-

native

Description

Test condition(1)

Min

Typ

Max

Unit

VCC,

VBAT

(2)

Operating voltage

TA = –40 to +85 °C

1.1(3)

5.5

ICC

VCC supply current

Excluding IOUT (VCC < 5.5 V)

µA

Excluding IOUT (VCC < 3.6 V)

µA

VCC supply current in battery

backup mode

Excluding IOUT (VBAT = 2.3 V,

VCC = 2.0 V, MR = VCC)

µA

IBAT

(4)

VBAT supply current in battery

backup mode

Excluding IOUT (VBAT = 3.6 V)

0.4

1.0

µA

VOUT1

VOUT voltage (active)

IOUT1 = 5 mA

(5)

VCC –

0.03

VCC –

0.015

IOUT1 = 75 mA

VCC –

0.3

VCC –

0.15

IOUT1 = 250 µA, VCC > 2.5 V

(5)

VCC –

0.0015

VCC –

0.0006

VOUT2

VOUT voltage (battery backup)

IOUT2 = 250 µA, VBAT = 2.3 V

VBAT –

0.1

VBAT –

0.034

IOUT2 = 1 mA, VBAT = 2.3 V

VBAT –

0.14

VCC to VOUT on-resistance

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