LTC3558_15 Datasheet, PDF (2/32 Pages) Linear Technology – Linear USB Battery Charger with Buck and Buck-Boost Regulators

LTC3558
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V_CC (Transient);
t < 1ms and Duty Cycle < 1%....................... –0.3V to 7V
V_CC (Static) .................................................. –0.3V to 6V
BAT, CHRG ................................................... –0.3V to 6V
PROG, SUSP.................................–0.3V to (V_CC + 0.3V)
HPWR, NTC................... –0.3V to Max (V_CC, BAT) + 0.3V
PROG Pin Current ...............................................1.25mA
BAT Pin Current ..........................................................1A
PV_IN1, PV_IN2 ..................................–0.3V to (BAT + 0.3V)
EN1, EN2, MODE, V_OUT2 .............................. –0.3V to 6V
FB1, SW1 ......................... –0.3V to (PV_IN1 + 0.3V) or 6V
FB2, V_C2, SWAB2 ............. –0.3V to (PV_IN2 + 0.3V) or 6V
SWCD2 ............................–0.3V to (V_OUT2 + 0.3V) or 6V
I_SW1 ...............................................................600mA DC
I_SWAB2, I_SWCD2, I_VOUT2 ................................... 750mA DC
Junction Temperature (Note 2) ............................. 125°C
Operating Temperature Range (Note 3).... –40°C to 85°C
Storage Temperature.............................. –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
20 19 18 17 16
GND 1
15 EN2
BAT 2
14 V_C2
MODE 3
21
13 FB2
FB1 4
12 SUSP
EN1 5
11 V_OUT2
6 7 8 9 10
UD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 68°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3558EUD#PBF
LTC3558EUD#TRPBF
LDCD
20-Lead (3mm × 3mm) 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
3558f
2