LTC4055EUF#TRPBF Linear Technology, LTC4055EUF#TRPBF Datasheet - Page 24

• Manufacturer Part Number: LTC4055EUF#TRPBF
• Description: IC USB PWR MNGR BATT CHRGR 16QFN
• Manufacturer: Linear Technology

Specifications of LTC4055EUF#TRPBF

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4055/LTC4055-1
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
Battery Chargers
LTC4075HVX
LTC4095
LTC4097
LTC4413
Power Management
LTC4066/
LTC4066-1
LTC4085/
LTC4085-1
LTC4088
LTC4088-1/
LTC4088-2
LTC4089/
LTC4089-5/
LTC4089-1
LTC4090/
LTC4090-5
Bat-Track is a trademark of Linear Technology Corporation.
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Dual Input USB/AC Adapter Li-Ion Battery Charger with
Overvoltage Protection
950mA USB Linear Lithium-Ion Battery Charger
USB/Wall Adapter Standalone Li-Ion/Polymer Battery Charger Dual Input, Thermal Regulation, 3mm × 2mm DFN
Dual Monolithic Ideal Diodes
USB Power Controller and Battery Charger
USB Power Manager with Ideal Diode Controller and Li-Ion
Charger
High Effi ciency USB Power Manager and Battery Charger
High Effi ciency USB Power Manager and Battery Charger with
Regulated Output Voltage
USB Power Manager with Ideal Diode Controller and High
Voltage High Effi ciency Li-Ion Battery Charger
USB Power Manager with Ideal Diode Controller and High
Voltage High Effi ciency Li-Ion Battery Charger
4.35V TO 5.5V
4.5V TO 5.5V
ADAPTER
●
FAX: [phone]
USB
Adapter Diode Replaced with LTC4411 “Ideal Diode” for Improved Effi ciency
C5
1μF
C1
10μF
●
R10
35.8k
R9
10k
www.linear.com
1
2
3
V
GND
CTL
IN
LTC4411
17
5
6
7
8
WALL
SHDN
SUSP
HPWR
EXPOSED PAD
V
STAT
CLPROG
OUT
IN1
4
9
R2
105k
5
4
GND PROG TIMER
OUT
LTC4055
3
10
COMMENTS
Both USB and AC Adapter Inputs Protected up to 22V, Standalone
Operation, 3mm × 3mm DFN
2mm × 2mm DFN Package, thermal Regulation, Standalone Operation
3mm × 3mm DFN Package, Low Loss Replacement for ORing Diodes
“Instant On” Operation, 50mΩ Ideal Diode, 4.1V Float Voltage
(LTC4066-1), 4mm × 4mm QFN24 Package
“Instant On” Operation, 200mΩ Ideal Diode with <50mΩ Option,
4.1V Float Voltage (LTC4085-1), 4mm × 3mm DFN14 Package
Maximizes Available Power from USB Port, Bat-Track™, “Instant On”
Operation, 1.5A Max Charge Current, 180mΩ Ideal Diode with <50mΩ
Option, 3.3V/25mA Always-On LDO, 4mm × 3mm DFN14 Package
Maximizes Available Power from USB Port, Bat-Track, “Instant On”
Operation, 1.5A Max Charge Current, 180mΩ Ideal Diode with <50mΩ
Option, Automatic Charge Current Reduction Maintains 3.6V V
3.3V LDO, 4mm × 3mm DFN14 Package
High Effi ciency 1.2A Charger from 6V to 36V (40V Max) Input, 200mΩ
Ideal Diode with <50mΩ Option, 6mm × 3mm DFN22, Bat-Track Adaptive
Output Control (LTC4089), Fixed 5V Output (LTC4089-5), 4.1V Float
Voltage (LTC4089-1)
High Effi ciency 1.2A Charger from 6V to 38V (60V Max) Input (2A
Available to Load). 200mΩ Ideal Diode with <50mΩ Option, 6mm × 3mm
DFN22, Bat-Track Adaptive Output Control (LTC4089), Fixed 5V Output
(LTC4089-5)
BAT
2
11
R3
68.1k
IN2
CHRG
ACPR
VNTC
NTC
1
12
4055 TA03
C3
10μF
C2
0.1μF
16
15
14
13
R5 10k
SYSTEM LOAD
OUTPUT
+Li-Ion
USB CURRENT 100mA-500mA
ADAPTER CURRENT 700mA
NTC
© LINEAR TECHNOLOGY CORPORATION 2004
LT 1108 REV B • PRINTED IN USA
OUT
, No
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