LTC4160EUDC#PBF Linear Technology, LTC4160EUDC#PBF Datasheet - Page 6

• Manufacturer Part Number: LTC4160EUDC#PBF
• Description: IC, BATT CHRG, Li-Ion, Li-Polymer, 1.2A, QFN20
• Manufacturer: Linear Technology

Specifications of LTC4160EUDC#PBF

• Battery Type: Li-Ion, Li-Polymer
• Input Voltage: 5.5V
• Battery Charge Voltage: 4.2V
• Charge Current Max: 1.2A
• Battery Ic Case Style: QFN
• No. Of Pins: 20
• No. Of Series Cells: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4160/LTC4160-1
TYPICAL PERFORMANCE CHARACTERISTICS
AC-COUPLED
6
500mA/DIV
50mV/DIV
600
500
400
300
100
200
0.2
1.0
0.8
0.6
0.4
I
0
0
V
3.40
VOUT
0mA
OUT
0
Ideal Diode V-I Characteristics
Battery Charge Current vs V
Voltage
R
R
5x MODE
CLPROG
PROG
PowerPath Switching Regulator
Transient Response
3.45
V
V
CHARGER OFF
10x MODE
BUS
OUT
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.04
= 2k
3.50
= 5V
= 3.65V
= 3.01k
FORWARD VOLTAGE (V)
3.55
0.08
V
OUT
3.60
20µs/DIV
(V)
0.12
INTERNAL IDEAL
DIODE ONLY
3.65
3.70
0.16
V
BUS
OUT
3.75
41601 G07
41601 G10
= 5V
0.20
41601 G13
3.80
0.05
0.25
0.20
0.15
0.10
100
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.3
3.1
2.9
2.7
90
80
70
60
50
40
30
0
2.7
2.7
10
Ideal Diode Resistance
vs Battery Voltage
V
(Charger Overprogrammed)
PowerPath Switching Regulator
Efficiency vs Load Current
OUT
V
I
R
R
VOUT
BUS
CLPROG
PROG
1x MODE
1x MODE
INTERNAL IDEAL
Voltage vs Battery Voltage
= 5V
3.0
3.0
= 0µA
= 1k
DIODE
INTERNAL IDEAL DIODE
= 3.01k
WITH SUPPLEMENTAL
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
BATTERY VOLTAGE
LOAD CURRENT (mA)
EXTERNAL VISHAY
Si2333 PMOS
3.3
3.3
5x MODE
100
5x, 10x MODE
3.6
3.6
3.9
3.9
41601 G14
41601 G08
41601 G11
T
A
1000
= 25°C, unless otherwise noted.
4.2
4.2
4.50
4.25
3.75
3.50
3.25
2.75
2.50
4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
4.00
3.00
75
70
60
95
90
85
80
65
50
55
2.7
V
(Battery Charger Disabled)
V
(Battery Charger Enabled)
0
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P
0
R
R
V
R
R
OUT
V
R
R
OUT
CLPROG
PROG
BUS
BUS
CLPROG
PROG
CLPROG
PROG
5x MODE
Voltage vs Load Current
= 5V
Voltage vs Load Current
= 5V
200
3.0
200
= 1k
= 2k
= 2k
BAT
= 3.01k
= 3.01k
BAT = 3.4V
BAT = 2.8V
= 3.01k
BATTERY VOLTAGE (V)
BAT = 4V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
/P
400
400
VBUS
3.3
)
600
600
1x MODE
3.6
BAT = 2.8V
BAT = 3.4V
800
800
3.9
BAT = 4V
41601 G15
41601 G09
41601 G12
41601fa
1000
1000
4.2