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MAX1667 Datasheet, PDF (7/28 Pages) Maxim Integrated Products – Chemistry-Independent, Level 2 Smart Battery Charger
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Chemistry-Independent,
Level 2 Smart Battery Charger
__________________________________________Typical Operating Characteristics
(Circuit of Figure 7, TA = +25°C, unless otherwise noted.)
LOAD TRANSIENT
(VOLTAGE REGULATION WITH CURRENT LIMIT)
CCI
CCV
CCV
CCI
CCI
CCV
10V
5V/div
VBATT
200mV/div
CCI
CCV 1.4V
ILOAD
1A
1A/div
AVERAGED MEASUREMENT
500µs/div
VDCIN = 18V
ChargingVoltage() = 12,000mV
ChargingCurrent() = 1500mA
LOAD TRANSIENT
(WITH CHANGE IN REGULATION LOOP)
MAX1667TOC02
CCV
CCI
CCI
CCV
CCV
50mV/div
CCI
2V
ILOAD
10V
5V/div
VBATT
1A
500mA/div
AVERAGED MEASUREMENT
1ms/div
VDCIN = 18V
ChargingVoltage() = 12,000mV
ChargingCurrent() = 1500mA
VL LINE REGULATION
5.450
NO LOAD
5.425
VL LOAD REGULATION
5.50
VDCIN = 20V
5.45
5.40
5.400
5.35
5.30
5.375
5.25
5.350
0
5 10 15 20 25 30
VDCIN (V)
5.20
0
5
10
15
20
25
LOAD CURRENT (mA)
5.45
5.44
5.43
5.42
5.41
5.40
5.39
5.38
5.37
5.36
5.35
-40
VL vs. TEMPERATURE
VDCIN = 20V
-20 0 20 40 60 80 100
TEMPERATURE (°C)
VREF LOAD REGULATION
4.11
4.10
4.09
4.08
4.07
4.06
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
LOAD CURRENT (mA)
_______________________________________________________________________________________ 7
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