IMP802 IMP Inc, IMP802 Datasheet - Page 4

• Manufacturer Part Number: IMP802
• Description: P POWER SUPPLY SUPERVISOR WITH BATTERY BACKUP SWITCH
• Manufacturer: IMP Inc

Notes: 1. If V
Unless otherwise noted V
V
4
V
(Note 1)
Supply Current Excluding I
I
(Excluding I
V
(Note 2)
V
V
Battery Switch Threshold,
V
Battery Switchover Hysteresis
Reset Threshold
Reset Threshold Hysteresis
Reset Pulse Width
Reset Output Voltage
Watchdog Timeout
WDI Pulse Width
WDI Input Current
WDI Input Threshold
(Note 3)
PFI Input Threshold
PFI Input Current
PFO Output Voltage
BATT
SUPPLY
CC
Electrical Characteristics
BATT
OUT
OUT
CC
, V
Parameter
to V
= 2.8V; and T
Output
in Battery-Backup Mode
Standby Current
BATT
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 V
in Battery-Backup Mode
BATT
impedance is 50k . WDI is biased to 0.3V
Voltage Range
OUT
CC
)
or V
A
= T
BATT
MIN
is 0V, the other must be greater than 2.0V.
CC
to T
OUT
= 4.75V to 5.5V for the IMP690A/IMP802L/IMP805L and V
MAX
.
Symbol Conditions
V
t
t
t
WD
WP
I
RS
S
RT
IMP69_AC, IMP802_C
IMP805LC
IMP69_AE, IMP80_ _E
IMP69_AC, IMP802_C
IMP69_AE, IMP802_E, IMP805LE
V
5.5V > V
I
V
IMP690A/802L/805L
IMP692A, IMP802M
IMP802L, T
IMP802M, T
I
I
IMP69_AC, IMP802_C, V
IMP69_AE, IMP802_E, V
IMP805LC, I
IMP805LE, I
IMP805L, I
IMP805L, I
V
WDI = V
WDI = 0V
V
V
IMP69_A, IMP805L, V
IMP802_C/E, V
I
I
I
I
OUT
OUT
OUT
SOURCE
SINK
SOURCE
SINK
CC
CC
CC
CC
IL
= 0.4V, V
CC
= 5V, Logic LOW
= 5V, Logic HIGH
= 0V, V
< V
= 5mA
= 50mA
= 250 A, V
= 3.2mA
= 3.2mA
.
RT
= 800µA
= 800µA
CC
CC
SOURCE
SINK
A
BATT
> V
IH
A
SOURCE
SOURCE
= 25°C, V
= 25°C, V
IMP690A
IMP690A
= 0.8V
BATT
= 3.2mA
CC
CC
= 2.8V
= 800 A
= 5V
< V
– 0.2V
= 4 A, V
= 4 A, V
CC
CC
CC
BATT
CC
= 5V
falling
CC
CC
falling
– 0.2V
= 1.0V, I
= 1.2V, I
CC
CC
T
T
T
T
Power-up
Power-down
= 1.1V
= 1.2V
A
A
A
A
, 692A
, 692A
= 25 C
= T
= 25 C
= T
SINK
SINK
MIN
MIN
to T
to T
= 50 A
CC
= 100 A
is within the operating voltage range. WDI input
CC
MAX
MAX
, 802L, 802M, 805L
= 4.5V to 5.5V for the IMP692A/IMP802M;
, 802L, 802M, 805L
V
V
V
V
V
V
CC
BATT
CC
CC
CC
CC
1.225
Min
–150
– 0.1
–1.0
4.50
4.25
4.55
4.30
1.00
1.20
– 25
140
– 0.025 V
0.8
0.9
3.5
1.1
1.1
1.1
50
– 0.25
– 1.5
– 1.5
– 1.5
– 0.1 V
BATT
V
CC
CC
1.250
Typ
4.65
4.40
1.60
1.25
0.01
–20
200
–50
– 0.010
35
35
20
40
40
50
– 0.10
– 0.001
1.275
Max Units
4.75
4.50
4.70
4.45
2.25
1.30
0.02
0.02
100
100
280
150
5.5
5.5
5.5
0.4
0.3
0.3
0.4
0.8
0.4
1.0
5.0
25
mV
mV
mV
sec
ms
nA
ns
V
V
V
V
V
V
V
V
A
A
A
A