IMP802L datasheet(4/10 Pages) A1PROS

Part #	IMP802L

Description	μP Power Supplly Supervisor wiitth Battttery Backup Swiittch

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Manufacturer	A1PROS [A1 PROs co., Ltd.]

Direct Link	http://www.a1pros.co.kr

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4 / 10 page

4

IMP690A

IMP690A , 692A

, 692A , 802L, 802M, 805L

, 802L, 802M, 805L

Electrical Characteristics

Parameter

Symbol Conditions

Min

Typ

Max Units

VCC, VBATT Voltage Range

IMP69_AC, IMP802_C

1.1

5.5

V

(Note 1)

IMP805LC

1.1

5.5

IMP69_AE, IMP80_ _E

1.1

5.5

Supply Current Excluding IOUT

IS

IMP69_AC, IMP802_C

35

100

µA

IMP69_AE, IMP802_E, IMP805LE

35

100

ISUPPLY in Battery-Backup Mode

VCC = 0V, VBATT = 2.8V

TA = 25°C

1.0

µA

(Excluding IOUT)

TA = TMIN to TMAX

5.0

VBATT Standby Current

5.5V > VCC > VBATT – 0.2V

TA = 25°C

– 0.1

0.02

µA

(Note 2)

TA = TMIN to TMAX

–1.0

0.02

VOUT Output

IOUT = 5mA

VCC – 0.025 VCC – 0.010

V

IOUT = 50mA

VCC – 0.25

VCC – 0.10

VOUT in Battery-Backup Mode

IOUT = 250µA, VCC < VBATT – 0.2V

VBATT – 0.1 VBATT – 0.001

V

Battery Switch Threshold,

VCC < VRT

Power-up

20

mV

VCC to VBATT

Power-down

–20

Battery Switchover Hysteresis

40

mV

Reset Threshold

VRT

IMP690A/802L/805L

4.50

4.65

4.75

V

IMP692A, IMP802M

4.25

4.40

4.50

IMP802L, TA = 25°C, VCC falling

4.55

4.70

IMP802M, TA = 25°C, VCC falling

4.30

4.45

Reset Threshold Hysteresis

40

mV

Reset Pulse Width

tRS

140

200

280

ms

Reset Output Voltage

ISOURCE = 800µA

VCC – 1.5

V

ISINK = 3.2mA

0.4

IMP69_AC, IMP802_C, VCC = 1.0V, ISINK = 50µA

0.3

IMP69_AE, IMP802_E, VCC = 1.2V, ISINK = 100µA

0.3

IMP805LC, ISOURCE = 4µA, VCC = 1.1V

0.8

IMP805LE, ISOURCE = 4µA, VCC = 1.2V

0.9

IMP805L, ISOURCE = 800µA

VCC – 1.5

IMP805L, ISINK = 3.2mA

0.4

Watchdog Timeout

tWD

1.00

1.60

2.25

sec

WDI Pulse Width

tWP

VIL= 0.4V, VIH = 0.8VCC

50

ns

WDI Input Current

WDI = VCC

50

150

µA

WDI = 0V

–150

–50

WDI Input Threshold

VCC = 5V, Logic LOW

0.8

V

(Note 3)

VCC = 5V, Logic HIGH

3.5

PFI Input Threshold

IMP69_A, IMP805L, VCC = 5V

1.20

1.25

1.30

V

IMP802_C/E, VCC = 5V

1.225

1.250

1.275

PFI Input Current

– 25

0.01

25

nA

PFO Output Voltage

ISOURCE = 800µA

VCC – 1.5

V

ISINK = 3.2mA

0.4

Unless otherwise noted VCC = 4.75V to 5.5V for the IMP690A/IMP802L/IMP805L and VCC = 4.5V to 5.5V for the IMP692A/IMP802M;

VBATT = 2.8V; and TA = TMIN to TMAX.

Notes: 1. If VCC or VBATT is 0V, the other must be greater than 2.0V.

2. Battery charging-current is “–”. Battery discharge-current is “+”.

3. WDI is guaranteed to be in an intermediate level state if WDI is floating and VCC is within the operating voltage range. WDI input

impedance is 50k

Ω. WDI is biased to 0.3VCC.

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