DS9535A Datasheet, PDF (10/18 Pages) Richtek Technology Corporation – High Efficiency Switching Mode Battery Charge

RT9535A
Typical Operating Characteristics
Efficiency vs. Supply Voltage
100
95
90
85
1 Cell : V_BATT = 4V
80 _{2 Cell : VBATT = 8V}
3 Cell : V_BATT = 12V
75 _{4 Cell : VBATT = 16V}
5 Cell : V_BATT = 20V
70
0
5
10
15
20
Supply Voltage (V)
I_BATT = 1A
25
30
Charge Current vs. Supply Voltage
1.20
1.16
1 Cell : VIN = 12V, V_BATT = 4V
2 Cell : VIN = 24V, V_BATT = 8V
1.12
3 Cell : VIN = 24V, V_BATT = 12V
1.08
4 Cell : VIN = 24V, V_BATT = 16V
1.04
5 Cell : VIN = 24V, V_BATT = 20V
1.00
0.96
0.92
0.88
0.84
0.80
0
10
20
30
Supply Voltage (V)
Shutdown Current vs. Temperature
45
40
35
30
25
20
15
VIN = 28V
VIN = 12V
10
5
0
-50 -25
0
25 50 75 100 125
Temperature (℃)
Efficiency vs. Charge Current
100
95
90
85
80 ^{1 Cell : VIN = 12V, VBATT = 4V}
2 Cell : VIN = 24V, V_BATT = 8V
75
3 Cell : VIN = 24V, V_BATT = 12V
4 Cell : VIN = 24V, V_BATT = 16V
5 Cell : VIN = 24V, V_BATT = 20V
70
0.5
1
1.5
2
2.5
Charge Current (A)
Supply Current vs. Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25
VIN = 28V
VIN = 12V
0 25 50 75 100 125
Temperature (℃)
V5V Voltage vs. Temperature
5.00
4.95
4.90
4.85
4.80
4.75
4.70
-50 -25
VIN = 12V, I_V5V = 40mA
0 25 50 75 100 125
Temperature (℃)
Copyright © 2016 Richtek Technology Corporation. All rights reserved.
www.richtek.com
10
is a registered trademark of Richtek Technology Corporation.
DS9535A-04 February 2016