Datasheet

MAX1667
Chemistry-Independent,
Level 2 Smart Battery Charger
_______________________________________________________________________________________ 7
5.20
5.30
5.25
5.40
5.35
5.45
5.50
0105 152025
VL LOAD REGULATION
MAX1667 TOC04
LOAD CURRENT (mA)
VL (V)
V
DCIN
= 20V
5.35
5.38
5.37
5.36
5.40
5.39
5.44
5.43
5.42
5.41
5.45
-40 -20 0 20 40 60 80 100
VL vs. TEMPERATURE
MAX1667 TOC05
TEMPERATURE (°C)
VL (V)
V
DCIN
= 20V
4.06
4.10
4.07
4.08
4.09
4.11
00.80.60.2 0.4 1.0 1.2 1.4 1.6 1.8 2.0
V
REF
LOAD REGULATION
MAX1667 TOC06
LOAD CURRENT (mA)
V
REF
(V)
5.350
5.375
5.400
5.425
5.450
VL LINE REGULATION
MAX1667 TOC03
V
DCIN
(V)
VL (V)
010155 202530
NO LOAD
5V/div
10V
LOAD TRANSIENT
(WITH CHANGE IN REGULATION LOOP)
MAX1667TOC02
V
DCIN
= 18V
ChargingVoltage() = 12,000mV
ChargingCurrent() = 1500mA
1ms/div
V
BATT
CCI
CCI
CCI
50mV/div
2V
1A
500mA/div
CCV
CCV
CCV
I
LOAD
AVERAGED MEASUREMENT
5V/div
10V
LOAD TRANSIENT
(VOLTAGE REGULATION WITH CURRENT LIMIT)
MAX1667TOC01
V
DCIN
= 18V
ChargingVoltage() = 12,000mV
ChargingCurrent() = 1500mA
500µs/div
V
BATT
CCI
CCV
CCI
CCI
CCI
200mV/div
1.4V
1A
1A/div
CCV
CCV
CCV
I
LOAD
AVERAGED MEASUREMENT
__________________________________________Typical Operating Characteristics
(Circuit of Figure 7, T
A
= +25°C, unless otherwise noted.)