MC34673 Datasheet, PDF (10/22 Pages) Freescale Semiconductor, Inc – High Input Voltage 1.2A Charger for Single-cell Li-Ion Batteries

ELECTRICAL CHARACTERISTICS
ELECTRICAL PERFORMANCE CURVES
450
400
350
300
250
-40 -20 0 20 40 60 80
Temperature ( ^oC)
Figure 16. R_DS(ON) vs Temperature
V_BAT = 4.0V, I_CHG=300mA, I_BAT= 250mA
4.20
4.15
4.10
4.05
4.00
3.95
3.90
-40 -20 0 20 40 60 80
Temperature ( ^oC)
Figure 17. Recharge Voltage Threshold vs Temperature
R_ISET = 25.86kΩ, V_IN = 5.0V
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20 0 20 40 60 80
Temperature ( ^oC)
Figure 18. BAT Pin Supply Current vs Temperature
V_BAT = 5.0V, VIN Not Powered or Charger Disabled
2000
1750
1500
Charger Enabled
1250
1000
750
500
250
Charger Disabled
0
-40 -20 0 20 40 60 80
Temperature ( ^oC)
Figure 19. VIN Pin Supply Current vs Temperature
V_IN = 5.0V
34673
10
Analog Integrated Circuit Device Data
Freescale Semiconductor