LTC3300-1 Datasheet, PDF (7/44 Pages) Linear Technology – High Effciency Bidirectional Multicell Battery Balancer

LTC3300-1
TYPICAL PERFORMANCE CHARACTERISTICS T_A = 25°C unless otherwise specified.
C6 Supply Current When Not
Balancing vs Temperature
20
C6 = 21.6V
18
16
14
12
10
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G01
Supply Current When Balancing
vs Temperature Normalized to 25°C
1.06 _{3.6V PER CELL}
MATCH CURVE WITH TABLE ENTRY
1.04
1.02
1.00
0.98
0.96
0.94
–50 –25
TYP = 740µA
TYP = 560µA
TYP = 250µA
TYP = 70µA
TYP = 60µA
TYP = –70µA
0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G02
Minimum Cell Voltage Required
for Primary Gate Drive vs
Temperature
2.10
2.05
CELL VOLTAGE RISING
2.00
1.95
CELL VOLTAGE FALLING
1.90
1.85
1.80
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G03
Maximum Cell Voltage to Allow
Balancing vs Temperature
5.2
5.1
CELL VOLTAGE RISING
5.0
4.9
4.8
4.7
4.6
CELL VOLTAGE FALLING
4.5
4.4
4.3
4.2
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
LT1372 • G10
V_REG Load Regulation
5.0
T_A = 25°C
4.9
4.8
4.7
C6 = 36V
C6 = 9V
4.6
4.5
0
5 10 15 20 25 30 35 40 45 50
I_VREG (mA)
33001 G05
V_REG Voltage vs Temperature
4.70
I_VREG = 10mA
4.69
4.68
C6 = 36V
4.67
4.66
C6 = 9V
4.65
4.64
4.63
4.62
4.61
4.60
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G06
V_REG POR Voltage and Minimum
Secondary Gate Drive vs
Temperature
4.100
C6 = 21.6V
4.075
4.050
4.025
V_REG RISING (POR)
4.000
3.975
3.950
3.925
V_REG FALLING
(MIN SEC. GATE DRIVE
3.900
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G07
V_REG Short-Circuit Current Limit
vs Temperature
60
C6 = 21.6V
59
58
57
56
55
54
53
52
51
50
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G08
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V_RTONP, V_RTONS vs Temperature
1.236
1.224
1.212
1.200 ^VRTONP
1.188
V_RTONS
1.176
1.164
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
33001 G09
33001f
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