LTC3109 Linear Technology, LTC3109 Datasheet - Page 2

• Manufacturer Part Number: LTC3109
• Description: Ultralow Voltage Step-Up Converter and Power Manager
• Manufacturer: Linear Technology

absoluTe MaxiMuM raTings
LTC3109
SWA, SWB, V
C1A, C1B Voltage ......................................... –0.3V to 6V
C2A, C2B Voltage (Note 6) .............................. –8V to 8V
V
VS1, VS2, V
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH
LTC3109EUF#PBF
LTC3109IUF#PBF
LTC3109EGN#PBF
LTC3109IGN#PBF
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:
For more information on tape and reel specifications, go to:

OUT2
, V
OUT2_EN
OUT
V
VSTORE
OUT2_EN
INA
V
VAUX
V
OUT2
, PGOOD .............................. –0.3V to 6V
OUT
, V
.......................................... –0.3V to 6V
EXPOSED PAD (PIN 21) IS GND (Note 5)
20-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
INB
T
JMAX
TAPE AND REEL
LTC3109EUF#TRPBF
LTC3109IUF#TRPBF
LTC3109EGN#TRPBF
LTC3109IGN#TRPBF
Voltage .................... –0.3V to 2V
20 19 18 17 16
6
= 125°C, θ
UF PACKAGE
TOP VIEW
7
GND
21
8
JA
9 10
= 37°C/W
15
14
13
12
11
http://www.linear.com/leadfree/
SWA
V
V
SWB
GND
INA
INB
PART MARKING*
3109
3109
LTC3109GN
LTC3109GN
http://www.linear.com/tapeandreel/
(Note 1)
VLDO, VSTORE ............................................ –0.3V to 6V
VAUX ......................................................15mA Into V
Operating Junction Temperature Range
(Note 2) .................................................. –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
PACKAGE DESCRIPTION
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead Plastic SSOP
20-Lead Plastic SSOP
V
VSTORE
OUT2_EN
PGOOD
V
VLDO
VAUX
V
OUT2
GND
VS1
VS2
OUT
T
JMAX
20-LEAD PLASTIC SSOP
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
GN PACKAGE
TOP VIEW
JA
= 90°C/W
20
19
18
17
16
15
14
13
12
11
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
C1A
C2A
GND
SWA
V
V
SWB
GND
C2B
C1B
www.DataSheet4U.com
INA
INB
AUX
3109f