LTC3577-3 Datasheet, PDF (3/52 Pages) Linear Technology – Highly Integrated Portable Product PMIC

LTC3577-3/LTC3577-4
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3)
V_SW............................................................ –0.3V to 45V
V_BUS, V_OUT, V_IN12, V_IN3, V_INLDO1, V_INLDO2, WALL
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
CHRG, BAT, LED_FS, LED_OV,
PWR_ON, EXTPWR, PBSTAT, PGOOD,
FB1, FB2, FB3, LDO1, LDO1_FB, LDO2,
LDO2_FB, DV_CC, SCL, SDA, EN3.................. –0.3V to 6V
NTC, PROG, CLPROG, ON, I_LIM0, I_LIM1
(Note 4)............................................–0.3V to V_CC + 0.3V
I_VBUS, I_VOUT, I_BAT.........................................................2A
I_SW3 (Continuous) ................................................850mA
I_SW2, I_SW1 (Continuous).......................................600mA
I_LDO1, I_LDO2 (Continuous).....................................200mA
I_CHRG, I_ACPR, I_EXTPWR, I_PBSTAT, I_PGOOD....................75mA
I_OVSENS...................................................................10mA
I_CLPROG, I_PROG, I_{LED_FS}, I_{LED_OV} ...............................2mA
Maximum Junction Temperature........................... 110°C
Operating Temperature Range.................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
I_LIM0 1
I_LIM1 2
LED_FS 3
37 IDGATE
36 PROG
35 NTC
WALL 4
34 NTCBIAS
SW3 5
33 SW1
V_IN3 6
32 V_IN12
FB3 7
45
31 SW2
OVSENS 8
LED_OV 9
30 V_INLD02
29 LDO2
DV_CC 10
SDA 11
SCL 12
28 LDO1
27 V_INLDO1
26 FB1
OVGATE 13
25 FB2
PWR_ON 14
ON 15
24 LDO2_FB
23 LDO1_FB
UFF PACKAGE
44-LEAD (7mm s 4mm) PLASTIC QFN
T_JMAX = 110°C, θ_JA = 45°C/W
EXPOSED PAD (PIN 45) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3577EUFF-3#PBF
LTC3577EUFF-3#TRPBF 35773
44-Lead (4mm × 7mm) Plastic QFN
LTC3577EUFF-4#PBF
LTC3577EUFF-4#TRPBF 35774
44-Lead (4mm × 7mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
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