LTC3109_15 Datasheet, PDF (2/24 Pages) Linear Technology – Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager

LTC3109
Absolute Maximum Ratings (Note 1)
SWA, SWB, V_INA, V_INB Voltage..................... –0.3V to 2V
C1A, C1B Voltage.......................................... –0.3V to 6V
C2A, C2B Voltage (Note 6)............................... –8V to 8V
V_OUT2, V_{OUT2_EN}........................................... –0.3V to 6V
VS1, VS2, V_OUT, PGOOD............................... –0.3V to 6V
VLDO, VSTORE............................................. –0.3V to 6V
VAUX....................................................... 15mA Into V_AUX
Operating Junction Temperature Range
(Note 2)................................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Pin Configuration
TOP VIEW
20 19 18 17 16
VSTORE 1
VAUX 2
V_OUT 3
V_OUT2 4
V_{OUT2_EN} 5
15 SWA
14 V_INA
21
GND
13 V_INB
12 SWB
11 GND
6 7 8 9 10
UF PACKAGE
20-LEAD (4mm × 4mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 37°C/W
EXPOSED PAD (PIN 21) IS GND (Note 5)
VS1 1
VS2 2
VSTORE 3
VAUX 4
V_OUT 5
V_OUT2 6
V_{OUT2_EN} 7
PGOOD 8
VLDO 9
GND 10
TOP VIEW
20 C1A
19 C2A
18 GND
17 SWA
16 V_INA
15 V_INB
14 SWB
13 GND
12 C2B
11 C1B
GN PACKAGE
20-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 90°C/W
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3109EUF#PBF
LTC3109EUF#TRPBF
3109
20-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3109IUF#PBF
LTC3109IUF#TRPBF
3109
20-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3109EGN#PBF
LTC3109EGN#TRPBF
LTC3109GN
20-Lead Plastic SSOP
–40°C to 125°C
LTC3109IGN#PBF
LTC3109IGN#TRPBF
LTC3109GN
20-Lead Plastic SSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
3109fb
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For more information www.linear.com/LTC3109