LTC3566-2_15 Datasheet, PDF (2/28 Pages) Linear Technology – High Efficiency USB Power Manager Plus 1A Buck-Boost Converter

LTC3566/LTC3566-2
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V_BUS (Transient) t < 1ms,
Duty Cycle < 1% ...................................... –0.3V to 7V
V_BUS (Static), V_IN1, BAT, NTC, CHRG, MODE, I_LIM0,
I_LIM1, EN1, CHRGEN ................................ –0.3V to 6V
FB1, V_C1.............. –0.3V to Lesser of 6V or (V_IN1 + 0.3V)
I_CLPROG ....................................................................3mA
I_CHRG ......................................................................50mA
I_PROG ........................................................................2mA
I_LDO3V3 ...................................................................30mA
I_SW, I_BAT, I_VOUT............................................................2A
I_VOUT1, I_SWAB1, I_SWCD1 .............................................2.5A
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
24 23 22 21 20 19
LDO3V3 1
CLPROG 2
NTC 3
FB1 4
V_C1 5
GND 6
18 GATE
17 GND
16 CHRG
25
15 PROG
14 I_LIM1
13 I_LIM0
7 8 9 10 11 12
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 37°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3566EUF#PBF
LTC3566EUF#TRPBF
3566
24-Lead (4mm × 4mm) Plastic QFN
LTC3566EUF-2#PBF
LTC3566EUF-2#TRPBF 35662
24-Lead (4mm × 4mm) 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
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_BUS = 5V, V_BAT = 3.8V, DV_CC = 3.3V, R_CLPROG = 3.01k, R_PROG = 1k,
V_IN1 = V_OUT1 = 3.8V unless otherwise noted.
SYMBOL
PARAMETER
Power Path Switching Regulator
V_BUS
I_BUSLIM
Input Supply Voltage
Total Input Current
I_BUSQ
V_BUS Quiescent Current
h_CLPROG
(Note 4)
Ratio of Measured V_BUS Current to
CLPROG Program Current
CONDITIONS
1x Mode, V_OUT = BAT
5x Mode, V_OUT = BAT
10x Mode, V_OUT = BAT
Suspend Mode, V_OUT = BAT
1x Mode, I_OUT = 0mA
5x Mode, I_OUT = 0mA
10x Mode, I_OUT = 0mA
Suspend Mode, I_OUT = 0mA
1x Mode
5x Mode
10x Mode
Suspend Mode
MIN
4.35
●
87
●
436
●
800
● 0.31
TYP
95
460
860
0.38
7
15
15
0.044
224
1133
2140
11.3
MAX UNITS
5.5
V
100
mA
500
mA
1000
mA
0.50
mA
mA
mA
mA
mA
mA/mA
mA/mA
mA/mA
mA/mA
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