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LTC3577EUFF#PBF

Description
IC PWR MANAGEMENT HANDHELD 44QFN
CategoryPower/power management    The power supply circuit   
File Size939KB,10 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTC3577EUFF#PBF Overview

IC PWR MANAGEMENT HANDHELD 44QFN

LTC3577EUFF#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeQFN
package instructionHVQCCN, LCC44,.16X.28,16
Contacts44
Manufacturer packaging codeUFF
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PQCC-N44
JESD-609 codee3
length7 mm
Humidity sensitivity level1
Number of channels6
Number of functions1
Number of terminals44
Maximum operating temperature85 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC44,.16X.28,16
Package shapeRECTANGULAR
Package formCHIP CARRIER
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)1000 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.6 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.4 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
Demo Circuit 1402A
QUICK START GUIDE
LTC3577
AND
LTC3577-1
LTC3577
and
LTC3577-1
Highly Integrated 6-Channel
Portable PMIC
The LTC3577 has a high temperature battery voltage re-
duction feature that reduces the battery voltage under
high temperature conditions to improve safety and reli-
ability.
The high voltage (HV) buck interface is designed to con-
nect to and control an external HV buck regulator demo
board via the Bat-Track control circuitry. Some of these
demo boards are the DC1394A, DC1395A, and DC1325A,
featuring the LT3480, LT3505, and the LT3563 HV bucks
respectively.
Refer to the LTC3577 datasheet for more details on the
electrical and timing specifications.
Design files for this circuit board are available. Call
the LTC factory.
L
, LTC, LTM, LT are registered trademarks of Linear Technology Corporation. PowerPath
and Bat-Track are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
DESCRIPTION
WARNING!
Do not look directly at operating LED.
This circuit produces light that can damage eyes.
Demo Circuit 1402 is a Highly Integrated 6-Channel
Portable PMIC with a push button controller, two LDOs,
three buck converters, a Li-Ion battery charger, a Power-
Path controller, and high voltage buck controller interface
featuring the LTC3577 and LTC3577-1.
The LTC3577 is a PowerPath™ manager with automatic
load prioritization, battery charger, Bat-Track™ control-
ler, push button controlled power up sequence and reset,
and a 10 LED string controller with gradation and PWM
control. The three buck regulators and the LED Boost
controller have adjustable slew rates for EMI reduction.
PERFORMANCE SUMMARY
Specifications are at T
A
= 25°C
PARAMETER
Input Supply Range (V
BUS
)
Absolute Wall Input Threshold (V
W
)
DV
CC
Operating Voltage
DV
CC
UVLO (V
DVCC,UVLO)
V
BAT
Regulated Output Voltage (V
FLOAT
)
Constant Current Mode Charge Current (I
CHRG
)
V
OUT
UVLO
V
OUT1
V
OUT2
V
OUT3
LDO1
LDO2
Full-Scale LED Current
CONDITIONS
NOTE: The input current limit is reduced when VBUS falls
below 4.45V (TYP).
V
WALL
Rising
V
WALL
Falling
MIN
4.35
TYP
MAX
5.5
4.45
5.5
1
4.200
4.100
500
2.7
2.8
3.3
1.8
1.2
1.5
2.5
20
4.221
4.121
535
2.9
UNITS
V
V
V
V
V
V
V
mA
V
V
V
V
V
V
V
mA
4.3
3.2
3.1
1.6
4.179
4.079
465
2.5
LTC3577
LTC3577-1
R
PROG
= 2KΩ, Input current limit = 1A
V
OUT
Falling
V
OUT
Rising
0 to 500mA
0 to 500mA
0 to 800mA
0 to 150mA
0 to 150mA
1

LTC3577EUFF#PBF Related Products

LTC3577EUFF#PBF DC1402A-A DC1402A-B LTC3577EUFF#TRPBF LTC3577EUFF-1#TRPBF LTC3577EUFF-1#PBF
Description IC PWR MANAGEMENT HANDHELD 44QFN board eval for ltc3577euff board eval for ltc3577euff IC PWR MANAGEMENT HANDHELD 44QFN IC PWR MANAGEMENT HANDHELD 44QFN IC PWR MANAGEMENT HANDHELD 44QFN
Brand Name Linear Technology - - Linear Technology Linear Technology Linear Technology
Is it Rohs certified? conform to - - conform to conform to conform to
Maker Linear ( ADI ) - - Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code QFN - - QFN QFN QFN
package instruction HVQCCN, LCC44,.16X.28,16 - - HVQCCN, LCC44,.16X.28,16 HVQCCN, LCC44,.16X.28,16 HVQCCN, LCC44,.16X.28,16
Contacts 44 - - 44 44 44
Manufacturer packaging code UFF - - UFF UFF UFF
Reach Compliance Code compliant - - compliant compliant compliant
ECCN code EAR99 - - EAR99 EAR99 EAR99
Adjustable threshold YES - - YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY MANAGEMENT CIRCUIT - - POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code R-PQCC-N44 - - R-PQCC-N44 R-PQCC-N44 R-PQCC-N44
JESD-609 code e3 - - e3 e3 e3
length 7 mm - - 7 mm 7 mm 7 mm
Humidity sensitivity level 1 - - 1 1 1
Number of channels 6 - - 6 6 6
Number of functions 1 - - 1 1 1
Number of terminals 44 - - 44 44 44
Maximum operating temperature 85 °C - - 85 °C 85 °C 85 °C
Package body material PLASTIC/EPOXY - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVQCCN - - HVQCCN HVQCCN HVQCCN
Encapsulate equivalent code LCC44,.16X.28,16 - - LCC44,.16X.28,16 LCC44,.16X.28,16 LCC44,.16X.28,16
Package shape RECTANGULAR - - RECTANGULAR RECTANGULAR RECTANGULAR
Package form CHIP CARRIER - - CHIP CARRIER CHIP CARRIER CHIP CARRIER
Peak Reflow Temperature (Celsius) 260 - - 260 NOT SPECIFIED 260
power supply 5 V - - 5 V 5 V 5 V
Certification status Not Qualified - - Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm - - 0.8 mm 0.8 mm 0.8 mm
Maximum supply current (Isup) 1000 mA - - 1000 mA 1000 mA 1000 mA
Maximum supply voltage (Vsup) 5.5 V - - 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 1.6 V - - 1.6 V 1.6 V 1.6 V
Nominal supply voltage (Vsup) 3.3 V - - 3.3 V 3.3 V 3.3 V
surface mount YES - - YES YES YES
technology CMOS - - CMOS CMOS CMOS
Temperature level OTHER - - OTHER OTHER OTHER
Terminal surface Matte Tin (Sn) - - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD - - NO LEAD NO LEAD NO LEAD
Terminal pitch 0.4 mm - - 0.4 mm 0.4 mm 0.4 mm
Terminal location QUAD - - QUAD QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED - - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 4 mm - - 4 mm 4 mm 4 mm
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