SA56600-42 Datasheet, PDF (6/12 Pages) NXP Semiconductors – System reset for lithium battery backup

Philips Semiconductors
System reset for lithium battery back-up
Product data
SA56600-42
4.30
V_CC = FALLING
V_BATT = 3.0 V
RESET, CS = OPEN
4.25 Y = GND
4.20
4.15
4.10
–50
–25
0
25
50
75
T_amb, TEMPERATURE 〈°C)
100
125
SL01336
Figure 9. Detection threshold versus temperature.
3.00
2.75
V_BATT = 3.0 V
V_OUT = OPEN
2.00
1.75
1.50
1.25
1.00
–50
–25
0
25
50
75
T_amb, TEMPERATURE (°C)
100
125
SL01338
Figure 11. Power supply current versus temperature.
10⁴
V_CC = 0 V
V_BATT = 3.0 V
I_OUT = 0 µA
10³
10²
10¹
10⁰
–50
–25
0
25
50
75
T_amb, TEMPERATURE (°C)
100
125
SL01334
Figure 13. Battery loss current versus temperature.
150
∆V_S = V_SH – V_SL
(V_CC = Rising then Falling)
V_BATT = 3.0 V
125
RESET, CS, V_OUT = OPEN
Y = GND
100
75
50
–50
–25
0
25
50
75
T_amb, TEMPERATURE (°C)
100
125
SL01337
Figure 10. Detection hysteresis versus temperature.
10⁴
V_CC = 5.0 V
V_BATT = 0 V
10³
10²
10¹
10⁰
–50
–25
0
25
50
75
100
125
T_amb, TEMPERATURE (°C)
SL01339
Figure 12. Output reverse current versus temperature.
2001 Jun 19
6