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LTC4099 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4099
Description  I2C Controlled USB Power Manager/Charger with Overvoltage Protection
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4099 Datasheet(HTML) 9 Page - Linear Technology

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LTC4099
9
4099f
CHRG PIN VOLTAGE (V)
0
60
80
100
4
4099 G28
40
20
0
1
2
3
5
OVP Disconnect Waveform
IRQ Pin Current vs Voltage
(Pull-Down State)
IOUT
500μA/DIV
0mA
500μs/DIV
4099 G36
VOUT
20mV/DIV
AC COUPLED
Suspend LDO Transient Response
(500μA to 1.5mA)
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VBUS = 5V, BAT = 3.8V, RPROG = 1.02k,
RCLPROG = 3.01k, unless otherwise noted.
VBUS
5V/DIV
OVGATE
5V/DIV
500μs/DIV
4099 G30
OVP INPUT
VOLTAGE
5V TO
10V STEP
5V/DIV
Battery Safety Conditioner Discharge
Current vs Battery Voltage
Battery Charge Current and
Voltage vs Time
Output Voltage vs Battery Voltage;
Battery Charger Overprogrammed
OVP Connection Waveform
Input Current vs Temperature
High Voltage Input Charging
Efficiency vs Battery Voltage
TEMPERATURE (°C)
–40
0
200
400
–15
10
60
35
100
300
500
85
4099 G31
500mA USB SETTING
100mA USB SETTING
BATTERY CHARGER
SET FOR 1200mA
BATTERY VOLTAGE (V)
2.4
3.8
4.0
4.2
3.6
3.4
3.0
3.6
2.7
3.3
3.9
4.2
3.2
3.0
4.4
4099 G35
BATTERY CHARGER SET FOR 1200mA
500mA USB
SETTING
100mA USB
SETTING
BATTERY VOLTAGE
BATTERY VOLTAGE (V)
3.6
60
90
120
30
3.8
4.0
3.7
3.9
4.1
4.2
0
150
4099 G32
BATTERY CONDITIONER ENABLED
VNTC/VNTCBIAS < 0.219
VBUS = 0V
BATTERY VOLTAGE (V)
3.0
80
60
40
3.6
3.3
3.9
4.2
20
0
100
4099 G33
CONVENTIONAL 5V BUCK
WITHOUT Bat-Track
USING THE LT3653
WITH Bat-Track
BATTERY CHARGE SET FOR 700mA
INPUT VOLTAGE = 13.5V
TIME (HOURS)
0
4
7
3
2
2
4
1
3
56
8
1
5
0.8
0.6
0.4
0.2
00
1.0
4099 G34
VBUS INPUT LIMIT SET FOR 790mA
BATTERY CHARGER SET FOR 500mA
FLOAT VOLTAGE SET FOR 4.2V
CHARGER TERMINATION
4-HOUR SETTING
500mA
OVGATE
250μs/DIV
4099 G29
0V
2V/DIV
VBUS


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