LTC4099EUDC View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC4099EUDC' PDF : 36 Pages View PDF
LTC4099
Typical Performance Characteristics TA = 25°C, VBUS = 5V, BAT = 3.8V, RPROG = 1.02k,
RCLPROG = 3.01k, unless otherwise noted.
Rising Overvoltage Threshold
vs Temperature
6.280
6.275
6.270
6.265
6.260
6.255
–40
–15
10
35
60
85
TEMPERATURE (°C)
4099 G25
IRQ Pin Current vs Voltage
(Pull-Down State)
100
80
60
40
20
0
0
1
2
3
4
5
IRQ PIN VOLTAGE (V)
4099 G28
Input Current vs Temperature
500
500mA USB SETTING
400
OVSENS Quiescent Current
vs Temperature
37 VOVSENS = 5V
35
33
31
29
27
–40
–15
10
35
60
85
TEMPERATURE (°C)
4099 G26
OVGATE vs OVSENS
12 OVSENS CONNECTED
TO INPUT THROUGH
10 6.2k RESISTOR
8
6
4
2
0
0
2
4
6
8
INPUT VOLTAGE (V)
4099 G27
OVP Connection Waveform
2V/DIV
OVGATE
VBUS
0V
250µs/DIV
4099 G29
OVP Disconnect Waveform
VBUS
5V/DIV
OVGATE
5V/DIV
OVP INPUT
VOLTAGE
5V TO
10V STEP
5V/DIV
500µs/DIV
4099 G30
Battery Safety Conditioner Discharge
Current vs Battery Voltage
150
BATTERY CONDITIONER ENABLED
VNTC / VNTCBIAS < 0.219
120 VBUS = 0V
High Voltage Input Charging
Efficiency vs Battery Voltage
100
USING THE LT3653
80
WITH Bat-Track
300
BATTERY CHARGER
SET FOR 1200mA
200
100
100mA USB SETTING
0
–40 –15 10
35
60
85
TEMPERATURE (°C)
4099 G31
90
60
30
0
3.6 3.7 3.8 3.9 4.0 4.1 4.2
BATTERY VOLTAGE (V)
4099 G32
60
CONVENTIONAL 5V BUCK
WITHOUT Bat-Track
40
20
BATTERY CHARGE SET FOR 700mA
0 INPUT VOLTAGE = 13.5V
3.0
3.3
3.6
3.9
BATTERY VOLTAGE (V)
4.2
4099 G33
4099fd
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