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LTC3565_12 Datasheet, PDF (2/22 Pages) Linear Technology – 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter | |||
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LTC3565
ABSOLUTE MAXIMUM RATINGS (Note 1)
PVIN, SVIN Voltages .................................... â0.3V to 6V
VFB, ITH Voltages ......................... â0.3V to (VIN + 0.3V)
SYNC/MODE, PGOOD Voltage ..... â0.3V to (VIN + 0.3V)
SW Voltage (DC) .......................... â0.3V to (VIN + 0.3V)
RUN Voltage ................................................ â0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 5, 8) ........................................ â40°C to 125°C
Storage Temperature Range .................. â65°C to 125°C
Lead Temperature (Soldering, 10 sec)................... 300°C
PIN CONFIGURATION
TOP VIEW
RT 1
RUN 2
SYNC/MODE 3
SW 4
GND 5
10 ITH
9 VFB
11
GND
8 PGOOD
7 SVIN
6 PVIN
DD PACKAGE
10-LEAD (3mm à 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W, θJC = 7.5°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
RT 1
10 ITH
RUN 2
SYNC/MODE 3
SW 4
11
GND
9 VFB
8 PGOOD
7 SVIN
GND 5
6 PVIN
MSE PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3565EDD#PBF
LTC3565EDD#TRPBF
LDNR
10-Lead (3mm à 3mm) Plastic DFN
â40°C to 125°C
LTC3565IDD#PBF
LTC3565IDD#TRPBF
LDNR
10-Lead (3mm à 3mm) Plastic DFN
â40°C to 125°C
LTC3565EMSE#PBF
LTC3565EMSE#TRPBF LTDVJ
10-Lead Plastic MSOP
â40°C to 125°C
LTC3565IMSE#PBF
LTC3565IMSE#TRPBF LTDVJ
10-Lead Plastic MSOP
â40°C to 125°C
Consult LTC Marketing for parts speciï¬ed with wider operating temperature ranges. *The temperature grade is identiï¬ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based ï¬nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speciï¬cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The â denotes the speciï¬cations which apply over the full operating
junction temperature range, otherwise speciï¬cations are at TJ = 25°C. VIN = 3.6V, RT = 125k unless otherwise speciï¬ed. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VIN
Operating Voltage Range
IFB
Feedback Pin Input Current
(Note 3)
VFB
Feedback Voltage
(Note 3)
2.5
5.5
V
50
nA
l 0.588
0.6
0.612
V
ÎVLINEREG
Reference Voltage Line Regulation
VIN = 2.5V to 5.5V
ÎVLOADREG
Output Voltage Load Regulation
ITH = 0.55V to 0.9V
l
gm(EA)
Error Ampliï¬er Transconductance
ITH Pin Load = ±5μA (Note 3)
0.04
0.2
%/V
0.02
0.2
%
300
μS
3565fb
2
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