|
LTC3851A_15 Datasheet, PDF (2/30 Pages) Linear Technology – Synchronous Step-Down Switching Regulator Controller | |||
|
◁ |
LTC3851A
Absolute Maximum Ratings (Note 1)
Input Supply Voltage (VIN).......................... 40V to â0.3V
Topside Driver Voltage (BOOST)................. 46V to â0.3V
Switch Voltage (SW)...................................... 40V to â5V
INTVCC, (BOOST â SW), RUN....................... 6V to â0.3V
TK/SS, ILIM............................................INTVCC to â0.3V
SENSE+, SENSEâ........................................... 6V to â0.3V
MODE/PLLIN, FREQ/PLLFLTR...............INTVCC to â0.3V
ITH, VFB Voltages........................................... 3V to â0.3V
INTVCC Peak Output Current...................................50mA
Operating Junction Temperature Range (Notes 2, 3)
E-Grade, I-Grade................................. â40°C to 125°C
H-Grade.............................................. â40°C to 150°C
MP-Grade........................................... â55°C to 150°C
Storage Temperature Range................... â65°C to 150°C
Lead Temperature (Soldering, 10 sec)
GN/MSE............................................................. 300°C
Pin Configuration
TOP VIEW
MODE/PLLIN 1
FREQ/PLLFLTR 2
RUN 3
TK/SS 4
ITH 5
FB 6
SENSEâ 7
SENSE+ 8
16 SW
15 TG
14 BOOST
13 VIN
12 INTVCC
11 BG
10 GND
9 ILIM
GN PACKAGE
16-LEAD PLASTIC SSOP NARROW
TJMAX = 125°C, θJA = 110°C/W
TOP VIEW
MODE/PLLIN 1
16 SW
FREQ/PLLFLTR 2
15 TG
RUN 3
14 BOOST
TK/SS 4
17
13 VIN
ITH 5
GND
12 INTVCC
FB 6
11 BG
SENSEâ 7
10 GND
SENSE+ 8
9 ILIM
MSE PACKAGE
16-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 35°C/W TO 40°C/W
EXPOSED PAD (PIN 17) IS GND,
MUST BE SOLDERED TO PCB
TOP VIEW
16 15 14 13
RUN 1
12 BOOST
TK/SS 2
17
11 VIN
ITH 3
GND
10 INTVCC
FB 4
9 BG
5678
UD PACKAGE
16-LEAD (3mm à 3mm) PLASTIC QFN
TJMAX = 125°C, θJA = 68°C/W, θJC = 4.2°C/W
EXPOSED PAD (PIN 17) IS GND,
MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3851AEGN#PBF
LTC3851AEGN#TRPBF 3851A
16-Lead Plastic SSOP
â40°C to 125°C
LTC3851AIGN#PBF
LTC3851AIGN#TRPBF 3851A
16-Lead Plastic SSOP
â40°C to 125°C
LTC3851AEMSE#PBF
LTC3851AEMSE#TRPBF 3851A
16-Lead Plastic MSOP
â40°C to 125°C
LTC3851AIMSE#PBF
LTC3851AIMSE#TRPBF 3851A
16-Lead Plastic MSOP
â40°C to 125°C
LTC3851AHMSE#PBF
LTC3851AHMSE#TRPBF 3851A
16-Lead Plastic MSOP
â40°C to 150°C
LTC3851AMPMSE#PBF LTC3851AMPMSE#TRPBF 3851A
16-Lead Plastic MSOP
â55°C to 150°C
LTC3851AEUD#PBF
LTC3851AEUD#TRPBF LFPZ
16-Lead (3mm à 3mm) Plastic QFN â40°C to 125°C
LTC3851AIUD#PBF
LTC3851AIUD#TRPBF LFPZ
16-Lead (3mm à 3mm) Plastic QFN â40°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/
3851afa
2
|
▷ |