ICL7673_14 Datasheet, PDF (3/7 Pages) Intersil Corporation – Automatic Battery Back-Up Switch

ICL7673
Electrical Specifications T_A = 25°C Unless Otherwise Specified (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Leakage Currents of P_BAR and
S_BAR
Switchover Uncertainty for Complete
Switching of Inputs and Open Drain
Outputs
I_LPBAR
I_LSBAR
V_P - V_S
V_P = 0V, V_S = 15V, I_LOAD = 0mA
at T_A = +85°C
V_P = 15V, V_S = 0V, I_LOAD = 0mA
at T_A = +85°C
V_S = 3V, I_SINK = 3.2mA, I_LOAD = 15mA
-
50
-
900
-
50
-
900
-
±10
NOTE:
3. The Minimum input to output voltage can be determined by multiplying the load current by the switch resistance.
MAX
500
-
500
-
±50
UNITS
nA
nA
nA
nA
mV
Typical Performance Curves
100
I_LOAD = 15mA
100
I_LOAD = 1mA
10
10
1
02
4 6 8 10 12 14 16
INPUT VOLTAGE V_P (V)
FIGURE 1. ON-RESISTANCE SWITCH P1 AS A FUNCTION OF
INPUT VOLTAGE V_P
1
0.8
0.6
0.4
0.2
-40°C
25°C
85°C
02
4 6 8 10 12 14 16
SUPPLY VOLTAGE (V)
FIGURE 3. SUPPLY CURRENT AS A FUNCTION OF SUPPLY
VOLTAGE
1
0
2
4
6
8
10
INPUT VOLTAGE V_S
FIGURE 2. ON-RESISTANCE SWITCH P2 AS A FUNCTION OF
INPUT VOLTAGE V_S
5
V_O = 5V
V_O = 9V
4
V_O = 3V
V_O = 12V
3
2
V_O = 15V
1
0
40
80
120
140
180
OUTPUT CURRENT (mA)
FIGURE 4. P_BAR OR S_BAR SATURATION VOLTAGE AS A
FUNCTION OF OUTPUT CURRENT
3
FN3183.4
July 22, 2005