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
GND
VS2
VS1
C1A
C2A
VS1
VS2
VSTORE 1
VAUX 2
V
OUT
3
V
OUT2
4
V
OUT2_EN
5
6
PGOOD
7
VLDO
8
GND
9 10
C1B
C2B
21
GND
15 SWA
14 V
INA
13 V
INB
12 SWB
11 GND
VSTORE
VAUX
V
OUT
V
OUT2
V
OUT2_EN
PGOOD
VLDO
1
2
3
4
5
6
7
8
9
TOP VIEW
20 C1A
19 C2A
18 GND
17 SWA
16 V
INA
15 V
INB
14 SWB
13 GND
12 C2B
11 C1B
20 19 18 17 16
GND 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)
GN PACKAGE
20-LEAD PLASTIC SSOP
T
JMAX
= 125°C,
θ
JA
= 90°C/W
ORDER INFORMATION
LEAD FREE FINISH
LTC3109EUF#PBF
LTC3109IUF#PBF
LTC3109EGN#PBF
LTC3109IGN#PBF
TAPE AND REEL
LTC3109EUF#TRPBF
LTC3109IUF#TRPBF
LTC3109EGN#TRPBF
LTC3109IGN#TRPBF
PART MARKING*
3109
3109
LTC3109GN
LTC3109GN
PACKAGE DESCRIPTION
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead (4mm
×
4mm) Plastic QFN
20-Lead Plastic SSOP
20-Lead Plastic SSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–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/
3109fa
2
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
