LTC4261/LTC4261-2
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
VIN (Note 3)........................................... –0.3V to 10.65V
Drain (Note 4)........................................... –0.3V to 3.5V
PGI, ON, ALERT, SDAO, SDAI, SCL, ADIN, ADIN2,
OV, SENSE, ADR1, ADR0, FLTIN, TMR,
SS, RAMP Voltages....................–0.3V to INTVCC + 0.3V
UVL, UVH, EN............................................. –0.3V to 10V
GATE Voltage................................... –0.3V to VIN + 0.3V
PG, PGIO Voltages..................................... –0.3V to 80V
Supply Voltage (INTVCC)........................... –0.3V to 5.5V
Operating Ambient Temperature Range
LTC4261C................................................. 0°C to 70°C
LTC4261I..............................................–40°C to 85°C
Storage Temperature Range
SSOP.................................................. –65°C to 150°C
QFN..................................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP Only......................................................... 300°C
PIN CONFIGURATION
TOP VIEW
PGI 1
ON 2
ALERT 3
SDAO 4
SDAI 5
SCL 6
INTVCC 7
UVL 8
UVH 9
ADIN2 10
OV 11
NC 12
VEE 13
SENSE 14
28 PGIO
27 PG
26 EN
25 ADR1
24 ADR0
23 ADIN
22 FLTIN
21 VIN
20 TMR
19 SS
18 RAMP
17 NC
16 DRAIN
15 GATE
GN PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 85°C/W
TOP VIEW
SDAO 1
SDAI 2
SCL 3
INTVCC 4
UVL 5
UVH 6
OV 7
24 23 22 21 20
19 EN
18 ADR1
17 ADR0
25
16 ADIN
15 VIN
14 TMR
13 SS
8 9 10 11 12
UFD PACKAGE
24-LEAD (4mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 45°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
TEMPERATURE RANGE
LTC4261CGN#PBF
LTC4261CGN#TRPBF
LTC4261CGN
28-Lead Plastic SSOP
0°C to 70°C
LTC4261IGN#PBF
LTC4261IGN#TRPBF
LTC4261IGN
28-Lead Plastic SSOP
–40°C to 85°C
LTC4261CGN-2#PBF
LTC4261CGN-2#TRPBF LTC4261IGN-2
28-Lead Plastic SSOP
0°C to 70°C
LTC4261IGN-2#PBF
LTC4261IGN-2#TRPBF LTC4261IGN-2
28-Lead Plastic SSOP
–40°C to 85°C
LTC4261CUFD#PBF
LTC4261CUFD#TRPBF 4261
24-Lead (4mm × 5mm) Plastic QFN
0°C to 70°C
LTC4261IUFD#PBF
LTC4261IUFD#TRPBF 4261
24-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°C
LTC4261CUFD-2#PBF
LTC4261CUFD-2#TRPBF 42612
24-Lead (4mm × 5mm) Plastic QFN
0°C to 70°C
LTC4261IUFD-2#PBF
LTC4261IUFD-2#TRPBF 42612
24-Lead (4mm × 5mm) Plastic QFN
–40°C to 85°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/
42612fd
2
For more information www.linear.com/LTC4261
