LTC3548EDD(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC3548EDD
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LTC3548EDD Datasheet PDF : 16 Pages
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LTC3548
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN Voltages .................................................– 0.3V to 6V
VFB1, VFB2, RUN1, RUN2
Voltages....................................... –0.3V to VIN + 0.3V
MODE/SYNC Voltage........................ –0.3V to VIN + 0.3V
SW1, SW2 Voltage........................... –0.3V to VIN + 0.3V
POR Voltage................................................. –0.3V to 6V
Ambient Operating Temperature
Range (Note 2) .................................... –40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range...................– 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSE only .......................................................... 300°C
PIN CONFIGURATION
TOP VIEW
VFB1 1
RUN1 2
VIN 3
SW1 4
GND 5
10 VFB2
9 RUN2
11
8 POR
7 SW2
6 MODE/
SYNC
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
DD PIN 11, EXPOSED PAD: PGND
MUST BE CONNECTED TO GND
TJMAX = 125°C, θJA = 45°C/W, θJC = 3°C/W
(Soldered to a 4-layer board)
TOP VIEW
VFB1 1
10 VFB2
RUN1 2
9 RUN2
VIN 3
11
8 POR
SW1 4
7 SW2
GND 5
6 MODE/
SYNC
MSE PACKAGE
10-LEAD PLASTIC MSOP
MSE PIN 11, EXPOSED PAD: PGND
MUST BE CONNECTED TO GND
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
(Soldered to a 4-layer board)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3548EDD#PBF
LTC3548EDD#TRPBF
LBNJ
10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LTC3548IDD#PBF
LTC3548IDD#TRPBF
LBNJ
10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C
LTC3548EMSE#PBF
LTC3548EMSE#TRPBF LTBNH
10-Lead Plastic MSOP
–40°C to 85°C
LTC3548IMSE#PBF
LTC3548IMSE#TRPBF LTBNH
10-Lead Plastic MSOP
–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/
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, unless otherwise specified. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
VIN
Operating Voltage Range
l 2.5
5.5
IFB
Feedback Pin Input Current
l
30
VFB
ΔVLINE REG
Feedback Voltage (Note 3)
Reference Voltage Line Regulation
0°C ≤ TA ≤ 85°C
–40°C ≤ TA ≤ 85°C
VIN = 2.5V to 5.5V (Note 3)
0.588 0.6 0.612
l 0.585 0.6 0.612
0.3
0.5
UNITS
V
nA
V
V
%V
3548fa
2
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