LTC4080EDD#TRPBF Linear Technology, LTC4080EDD#TRPBF Datasheet - Page 20

• Manufacturer Part Number: LTC4080EDD#TRPBF
• Description: IC CHARGER LI-ION 10-DFN
• Manufacturer: Linear Technology

Specifications of LTC4080EDD#TRPBF

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 3.75 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-WFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RELATED PARTS
LTC4080
TYPICAL APPLICATIO
PART NUMBER
Battery Chargers
LTC3550
LTC3550-1
LTC4053
LTC4054
LTC4061
LTC4061-4.4
LTC4062
LTC4063
Power Management
LTC3405/LTC3405A 300mA (I
LTC3406/LTC3406A 600mA (I
LTC3411
LTC3440
LTC4411/LTC4412
LTC4413
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
20
to 5.5V)
(3.75V
V
CC
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
*COILCRAFT LPO1704-103M
R4, 510Ω
C
4.7μF
IN
Li-Ion Battery Charger with 1.5V Buck Regulator
DESCRIPTION
Dual Input USB/AC Adapter Li-Ion Battery Charger
with Adjustable Output 600mA Buck Converter
Dual Input USB/AC Adapter Li-Ion Battery Charger
with 600mA Buck Converter
USB Compatible Monolithic Li-Ion Battery Charger Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
Standalone Linear Li-Ion Battery Charger with
Integrated Pass Transistor in ThinSOT
Standalone Li-Ion Charger with Thermistor
Interface
Standalone Li-Ion Charger with Thermistor
Interface
Standalone Linear Li-Ion Battery Charger with
Micropower Comparator
Li-Ion Charger with Linear Regulator
DC/DC Converter
DC/DC Converter
1.25A (I
DC/DC Converter
600mA (I
DC/DC Converter
Low Loss PowerPath
Dual Ideal Diode in DFN
D2
●
FAX: [phone]
OUT
OUT
OUT
OUT
), 4MHz, Synchronous Step-Down
V
ACPR
EN_CHRG
EN_BUCK
MODE
), 1.5MHz, Synchronous Step-Down
), 1.5MHz, Synchronous Step-Down
), 2MHz, Synchronous Buck-Boost
CC
LTC4080
GND
TM
U
Controller in ThinSOT
●
CHRG
PROG
www.linear.com
BAT
SW
FB
D1
L1, 1OμH*
TM
R3
510Ω
R
806Ω
PROG
C
10pF
PL
COMMENTS
Synchronous Buck Converter, Effi ciency: 93%, Adjustable Output: 600mA,
Charge Current: 950mA Programmable, USB Compatible, Automatic Input Power
Detection and Selection
Synchronous Buck Converter, Effi ciency: 93%, Output: 1.875V at 600mA,
Charge Current: 950mA Programmable, USB Compatible, Automatic Input Power
Detection and Selection
Thermal Regulation Prevents Overheating, C/10 Termination,
4.2V, ±0.35% Float Voltage, Up to 1A Charge Current, 3mm x 3mm DFN
4.4V (Max), ±0.4% Float Voltage, Up to 1A Charge Current, 3mm x 3mm DFN
Up to 1A Charge Current, Charges from USB Port, Thermal Regulation 3mm x
3mm DFN
Up to 1A Charge Current, 100mA, 125mV LDO, 3mm x 3mm DFN
95% Effi ciency, V
Package
95% Effi ciency, V
Package
95% Effi ciency, V
95% Effi ciency, V
Automatic Switching Between DC Sources, Load Sharing, Replaces ORing Diodes
2-Channel Ideal Diode ORing, Low Forward On-Resistance, Low Regulated
Forward Voltage, 2.5V ≤ V
500mA
R2
806k
R1
715k
4080 TA02
C
4.7μF
OUT
C
4.7μF
V
(1.5V/300mA)
BAT
OUT
IN
IN
IN
IN
+
: 2.7V to 6V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
4.2V
Li-Ion
BATTERY
IN
≤ 5.5V
OUT
OUT
OUT
OUT
100
= 0.8V, IQ = 20μA, I
80
60
40
20
0
0.01
= 0.6V, IQ = 20μA, I
= 0.8V, IQ = 60μA, I
= 2.5V, IQ = 25μA, I
Buck Effi ciency vs Load Current
EFFICIENCY
(Burst)
© LINEAR TECHNOLOGY CORPORATION 2006
0.1
LOAD CURRENT (mA)
(V
EFFICIENCY
(PWM)
OUT
LT 0807 REV B • PRINTED IN USA
1
SD
= 1.5V)
SD
SD
SD
< 1μA, ThinSOT
POWER LOSS
(Burst)
10
< 1μA, ThinSOT
< 1μA, MS Package
< 1μA, MS Package
V
V
L = 10μH
C = 4.7μF
BAT
OUT
100
POWER
LOSS
(PWM)
= 3.8V
= 1.5V
4080 G13
1000
4080fb
1000
100
10
0
0.1
0.01