Datasheet

LTC3109
2
3109fb
For more information www.linear.com/LTC3109
absoluTe MaxiMuM raTings
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
(Note 1)
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/
20 19 18 17 16
6 7 8
TOP VIEW
21
GND
UF PACKAGE
20-LEAD (4mm × 4mm) PLASTIC QFN
9 10
5
4
3
2
1
11
12
13
14
15
VSTORE
VAUX
V
OUT
V
OUT2
V
OUT2_EN
SWA
V
INA
V
INB
SWB
GND
VS2 VS1 C1A C2A GND
PGOOD
VLDO
GND
C1B C2B
T
JMAX
= 125°C, θ
JA
= 37°C/W
EXPOSED PAD (PIN 21) IS GND (Note 5)
GN PACKAGE
20-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
VS1
VS2
VSTORE
VAUX
V
OUT
V
OUT2
V
OUT2_EN
PGOOD
VLDO
GND
C1A
C2A
GND
SWA
V
INA
V
INB
SWB
GND
C2B
C1B
T
JMAX
= 125°C, θ
JA
= 90°C/W
pin conFiguraTion
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