LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 3

• Manufacturer Part Number: LTC3577EUFF#PBF
• Description: IC PWR MANAGEMENT HANDHELD 44QFN
• Manufacturer: Linear Technology

Specifications of LTC3577EUFF#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3)
V
V
CHRG, BAT, LED_FS, LED_OV, PWR_ON, WAKE,
PBSTAT, PG_DCDC, FB1, FB2, FB3, LDO1, LDO1_FB,
LDO2, LDO2_FB, DV
NTC, PROG, CLPROG, ON, I
(Note 4) ........................................... –0.3V to V
I
I
I
I
I
I
I
Junction Temperature ............................................110°C
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3577EUFF#PBF
LTC3577EUFF-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:
VBUS
SW3
SW2
LDO1
OVSENS
CLPROG
CHRG
SW
BUS
t < 1ms and Duty Cycle < 1% ................... –0.3V to 7V
Steady State ............................................ –0.3V to 6V
............................................................ –0.3V to 45V
, Continuous (Note 16) ................................. 850mA
, I
, V
, I
, I
, I
SW1
LDO2
VOUT
OUT
ACPR
, I
..................................................................10mA
PROG
, Continuous (Note 16) ........................ 600mA
, V
, Continuous (Note 16) ..................... 200mA
, I
, I
IN12
BAT
WAKE
, I
LED_FS
, Continuous (Note 16) .....................2A
, V
, I
IN3
CC
PBSTAT
TAPE AND REEL
LTC3577EUFF#TRPBF
LTC3577EUFF-1#TRPBF
, SCL, SDA ............... –0.3V to 6V
, I
, V
LED_OV
INLDO1
, I
LIM0
PG_DCDC
, I
, V
..............................2mA
LIM1
INLDO2
...................75mA
http://www.linear.com/leadfree/
, WALL
PART MARKING
3577
35771
http://www.linear.com/tapeandreel/
CC
+ 0.3V
PIN CONFIGURATION
PACKAGE DESCRIPTION
44-Lead (4mm × 7mm) Plastic QFN
44-Lead (4mm × 7mm) Plastic QFN
PWR_ON 14
EXPOSED PAD (PIN 45) IS GND, MUST BE SOLDERED TO PCB
OVGATE 13
OVSENS 8
LED_OV 9
LED_FS 3
DV
WALL 4
SDA 11
SCL 12
I
I
SW3 5
LIM1
LIM0
V
ON 15
FB3 7
CC
IN3
10
LTC3577/LTC3577-1
44-LEAD (7mm 4mm) PLASTIC QFN
1
2
6
T
JMAX
= 110°C, θ
UFF PACKAGE
TOP VIEW
GND
45
JA
= 45°C/W
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
37 IDGATE
36 PROG
35 NTC
34 NTCBIAS
33 SW1
32 V
31 SW2
30 V
29 LDO2
28 LDO1
27 LDO1_FB
26 FB1
25 FB2
24 LDO2_FB
23 V
IN12
INLD02
INLDO1
3577fa
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