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LTC4099 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4099
Description  Dual-Input Power Manager
PDF  52 Pages
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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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LTC4155
9
4155fc
TYPICAL PERFORMANCE CHARACTERISTICS
Switching Regulator Efficiency
Battery Charger Total Efficiency
vs Battery Voltage
Battery and VBUS Currents
vs VOUT Current
Battery and VBUS Currents
vs VOUT Current
Battery Drain Current
vs Temperature
VOUT CURRENT (A)
0
0.2
0.4
0.6
0.8
4155 G01
0
–0.2
–0.4
0.2
0.4
0.6
1.0
INPUT CURRENT
CHARGE CURRENT
500mA INPUT CURRENT LIMIT MODE
VOUT CURRENT (A)
0
–2
–1
0
1
2
3
4
IBUS
ICHG
123
4
4155 G02
5
3A INPUT CURRENT LIMIT MODE
CURRENT (A)
92.5
1.5
4155 G04
85.0
80.0
0.5
0
1.0
2.0
INCLUDES LOSSES FROM 2 Si7938DP OVP FETS
XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET
77.5
75.0
95.0
90.0
87.5
82.5
3.5
2.0
1.0
0.5
0
4.0
3.0
2.5
1.5
2.5
3.0
3.5
EFFICIENCY
TO VOUT
EFFICIENCY
TO BATTERY
POWER LOST
TO BATTERY
POWER LOST
TO VOUT
BATTERY VOLTAGE (V)
2.4
0.50
0.75
1.00
1.25
1.50
1.75
2.7
3.0
3.3
3.6
4155 G06
3.9
4.2
500mA MODE
900mA MODE
VFLOAT = 4.05V
USB Compliant Load Current
Available Before Discharging
Battery
500mA USB Limited Battery
Charge Current vs Battery Voltage
100mA USB Limited Battery
Charge Current vs Battery Voltage
VOUT Voltage vs Battery Voltage
BATTERY VOLTAGE (V)
2.4
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3.3
3.9
4155 G07
2.7
3.0
3.6
4.2
12.5% CHARGE
CURRENT MODE
100% CHARGE
CURRENT MODE
TEMPERATURE (°C)
–25
6
8
10
95
4155 G03
4
2
5
7
9
3
1
0
5
35
65
–10
– 40
110
20
50
80
125
SUSPEND MODE (μA)
SHIP AND STORE MODE (μA)
VBUS = 0V
BATTERY VOLTAGE (V)
2.4
55
60
70
75
80
3.6
100
4155 G05
65
3.0
2.7
3.9
3.3
4.2
85
90
95
12.5% CHARGE
CURRENT MODE
100% CHARGE
CURRENT MODE
IVOUT = 0A
= PBAT/PBUS
VFLOAT = 4.2V
INCLUDES LOSSES FROM 2 Si7938DP OVP FETS
XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET
BATTERY VOLTAGE (V)
2.4
0
20
40
60
80
100
2.7
3.0
3.3
3.6
4155 G08
3.9
4.2
VFLOAT = 4.2V
BATTERY VOLTAGE (V)
2.4
3.4
3.6
3.5
3.8
3.7
4.0
3.9
4.2
4.1
4.4
4.3
2.7
3.0
3.3
3.6
4155 G09
3.9
4.2
IVOUT = 0A, VFLOAT = 4.2V
100% CHARGE
CURRENT MODE
50% CHARGE
CURRENT MODE
12.5% CHARGE
CURRENT MODE
CHARGER DISABLED
TA = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V,
DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted.



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