LTC4055EUF#PBF Linear Technology, LTC4055EUF#PBF Datasheet - Page 2

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

Specifications of LTC4055EUF#PBF

• 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

ABSOLUTE MAXIMUM RATINGS
LTC4055/LTC4055-1
(Notes 1, 2, 3, 4, 5)
Terminal Voltage
Pin Current (DC)
Operating Temperature Range................. –40°C to 85°C
Maximum Operating Junction Temperature ......... 125°C
Storage Temperature Range .................. –65°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LTC4055EUF#PBF
LTC4055EUF-1#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
R
SYMBOL
V
V
I
I
I
I
V
ΔV
2
IN
OUT
BAT
LIM(MAX)
IN
BAT
UVLO
PROG
UVLO
IN1, IN2, OUT, BAT .................................. –0.3V to 6V
NTC, V
PROG, CLPROG ..................... –0.3V to (VCC + 0.3V)
CHRG, HPWR, SUSP, SHDN,
WALL, ACPR ........................................... –0.3V to 6V
IN2 ........................................................... V
IN1, IN2, OUT, BAT (Note 7) ............................... 1.6A
= R
CLPROG
NTC
, TIMER,
PARAMETER
Input Supply Voltage
Input Voltage
Input Supply Current
Output Supply Current
Battery Drain Current
Maximum Current Limit
Input or Output Undervoltage Lockout
Input or Output Undervoltage Lockout
Hysteresis
= 100k, unless otherwise noted.
TAPE AND REEL
LTC4055EUF#TRPBF
LTC4055EUF-1#TRPBF
http://www.linear.com/leadfree/
PART MARKING
4055
40551
http://www.linear.com/tapeandreel/
A
CONDITIONS
IN1, IN2 and OUT
BAT
V
Suspend Mode
Suspend Mode, Wall = 2V, V
Shutdown
V
V
Suspend Mode
Shutdown
V
(Note 8)
V
V
V
V
IN1
= 25°C. V
BAT
OUT
BAT
IN1
IN
OUT
IN
OUT
Powers Part, Rising Threshold
Rising – V
= V
= 4.2V
= 4.2V, Charging Stopped
+ 0.1V
= 5V, V
Powers Part, Rising Threshold
Rising – V
The
IN2
= 0V, BAT Powers OUT, No Load
l
IN1
IN1
IN
denotes the specifi cations which apply over the full operating
OUT
= V
= V
Falling or
PIN CONFIGURATION
IN2
IN2
Falling
= 0V, V
= 5V, V
PACKAGE DESCRIPTION
16-Lead (4mm × 4mm) Plastic QFN
16-Lead (4mm × 4mm) Plastic QFN
OUT
BAT
BAT
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
= 4.8V
= 4.2V
= 3.5V, HPWR = 5V, WALL = 0V,
16-LEAD (4mm 4mm) PLASTIC QFN
OUT
BAT
IN2
IN1
T
1
2
3
4
JMAX
l
l
l
l
l
l
l
l
l
l
l
l
l
16 15 14 13
5
UF PACKAGE
= 125°C, θ
TOP VIEW
4.35
MIN
3.5
3.5
6
17
7
JA
8
= 37°C/W
12
11
10
9
TYP
450
125
0.8
0.1
2.5
3.8
3.8
50
10
15
15
50
1
TIMER
PROG
GND
CLPROG
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
MAX
100
900
100
5.5
4.3
1.6
0.2
20
30
30
5
4
4
UNITS
4055fb
mA
mA
mV
μA
μA
μA
μA
μA
μA
μA
V
V
A
V
V