ICL7673 Intersil Corporation, ICL7673 Datasheet - Page 3

• Manufacturer Part Number: ICL7673
• Description: Automatic Battery Back-Up Switch
• Manufacturer: Intersil Corporation

Electrical Specifications
NOTE:
Typical Performance Curves
Output Leakage Currents of P
S
Switchover Uncertainty for Complete
Switching of Inputs and Open Drain
Outputs
3. The Minimum input to output voltage can be determined by multiplying the load current by the switch resistance.
BAR
FIGURE 1. ON-RESISTANCE SWITCH P1 AS A FUNCTION OF
FIGURE 3. SUPPLY CURRENT AS A FUNCTION OF SUPPLY
100
0.8
0.6
0.4
0.2
10
1
1
0
0
PARAMETER
2
2
INPUT VOLTAGE V
VOLTAGE
4
4
6
INPUT VOLTAGE V
6
SUPPLY VOLTAGE (V)
BAR
8
8
I
LOAD
3
and
P
T
A
10
10
= 15mA
= 25°C Unless Otherwise Specified (Continued)
SYMBOL
12
12
V
I
I
P
LPBAR
LSBAR
P
(V)
- V
14
14
S
16
16
V
at T
V
at T
V
P
P
S
-40°C
25°C
85°C
= 0V, V
= 15V, V
= 3V, I
A
A
= +85°C
= +85°C
SINK
S
ICL7673
S
= 15V, I
= 0V, I
TEST CONDITIONS
= 3.2mA, I
LOAD
LOAD
LOAD
100
FIGURE 2. ON-RESISTANCE SWITCH P2 AS A FUNCTION OF
FIGURE 4. P
= 0mA
= 0mA
10
1
5
4
3
2
1
= 15mA
0
0
INPUT VOLTAGE V
FUNCTION OF OUTPUT CURRENT
BAR
40
2
OR S
OUTPUT CURRENT (mA)
V
BAR
INPUT VOLTAGE V
O
V
= 5V
80
O
4
MIN
SATURATION VOLTAGE AS A
= 3V
-
-
-
-
-
I
LOAD
S
= 1mA
TYP
120
900
900
±10
50
50
6
S
MAX
V
500
500
±50
O
-
-
140
= 12V
V
V
8
O
O
= 9V
= 15V
July 22, 2005
UNITS
FN3183.4
mV
nA
nA
nA
nA
180
10