LTC3548EDD#TRPBF Linear Technology, LTC3548EDD#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LTC3548EDD#TRPBF
• Description: IC DC/DC CONV DUAL 10-DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3548EDD#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5 V
• Current - Output: 400mA, 800mA
• Frequency - Switching: 2.25MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3548
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
V
RUN1, RUN2 Voltages ................................ – 0.3V to V
MODE/SYNC Voltage .......................– 0.3V to V
SW1, SW2 Voltage ...........................– 0.3V to V
POR Voltage .................................................– 0.3V to 6V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3548EDD#PBF
LTC3548IDD#PBF
LTC3548EMSE#PBF
LTC3548IMSE#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
V
I
V
ΔV
2
FB
IN
FB
IN
FB1
LINEREG
Voltages .................................................– 0.3V to 6V
, V
FB2
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
Voltages ...........................– 0.3V to V
RUN1
PARAMETER
Operating Voltage Range
Feedback Pin Input Current
Feedback Voltage (Note 3)
Reference Voltage Line Regulation
T
SW1
10-LEAD (3mm 3mm) PLASTIC DFN
V
GND
JMAX
FB1
V
(SOLDERED TO A 4-LAYER BOARD)
IN
= 125°C, θ
1
2
3
4
5
TAPE AND REEL
LTC3548EDD#TRPBF
LTC3548IDD#TRPBF
LTC3548EMSE#TRPBF
LTC3548IMSE#TRPBF
DD PACKAGE
TOP VIEW
JA
11
= 45°C/W, θ
10
JC
9
8
7
6
= 3°C/W
V
RUN2
POR
SW2
MODE/
SYNC
FB2
http://www.linear.com/leadfree/
PART MARKING*
LBNJ
LBNJ
LTBNH
LTBNH
http://www.linear.com/tapeandreel/
A
= 25°C. V
IN
IN
IN
CONDITIONS
0°C ≤ T
–40°C ≤ T
V
IN
+ 0.3V
+ 0.3V
+0.3V
The
= 2.5V to 5.5V (Note 3)
A
IN
●
IN
≤ 85°C
A
denotes the specifi cations which apply over the full operating
= 3.6V, unless otherwise specifi ed. (Note 2)
≤ 85°C
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
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
T
RUN1
JMAX
V
SW1
GND
V
FB1
(SOLDERED TO A 4-LAYER BOARD)
IN
= 125°C, θ
10-LEAD PLASTIC MSOP
1
2
3
4
5
MSE PACKAGE
l
l
l
TOP VIEW
JA
11
= 45°C/W, θ
0.588
0.585
MIN
2.5
JC
10
9
8
7
6
= 10°C/W
TYP
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
0.6
0.6
0.3
V
RUN2
POR
SW2
MODE/
SYNC
FB2
0.612
0.612
MAX
5.5
0.5
30
UNITS
3548fc
%V
nA
V
V
V