LTC3546IUFD#PBF Linear Technology, LTC3546IUFD#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC3546IUFD#PBF
• Description: IC BUCK SYNC ADJ 1A/2A DL 28QFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3546IUFD#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5 V
• Current - Output: 1A, 2A
• Frequency - Switching: 2.25MHz, 0.75MHz ~ 4MHz
• Voltage - Input: 2.25 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Dc To Dc Converter Type: Step Down
• Pin Count: 28
• Input Voltage: 5.5V
• Output Voltage: 0.6 to 5V
• Switching Freq: 750 TO 4000/2900KHz
• Output Current: 2A
• Efficiency: 96%
• Package Type: QFN EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 0.2%
• Line Regulation: 0.2%/V
• Mounting: Surface Mount
• Input Voltage (min): 2.25V
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

LTC3546
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ThinSOT is a trademark of Linear Technology Corporation.
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
600mA, 1.5MHz, Synchronous Step-Down DC/DC
Converters
Dual 800mA/800mA 2.25MHz, Synchronous Step-
Down DC/DC Converter
600mA, 1.7MHz/2.6MHz, Synchronous Step-Down
DC/DC Converter
300mA, 2.25MHz, Synchronous Step-Down DC/DC
Converters
1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
2.5A, 4MHz, Synchronous Step-Down DC/DC
Converter
Dual 1.5A/1A, 4MHz, Synchronous Step-Down DC/DC
Converter
Dual 600mA/600mA 2.25MHz, Synchronous Step-
Down DC/DC Converters
500mA, 2.25MHz, Synchronous Step-Down DC/DC
Converter
Quad 100mA/200mA/200mA/300mA, 2.25MHz
Synchronous Step-Down DC/DC Converters
Triple, 800mA ×3, 2.25MHz Synchronous Step-Down
DC/DC Converters
Dual 300mA, 2.25MHz, Synchronous Step-Down
DC/DC Converters
Dual 400mA and 800mA I
Step-Down DC/DC Converters
800mA 2.25MHz, Synchronous Step-Down DC/DC
Converter
1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
Quad, I
2.25MHz Synchronous Step-Down DC/DC Converter
2
C Interface, 600mA/600mA/400mA/400mA ,
●
FAX: [phone]
OUT
, 2.25MHz, Synchronous
●
www.linear.com
COMMENTS
96% Effi ciency, V
ThinSOT™ Package
95% Effi ciency, V
MS10E, 3mm × 3mm DFN-10 Packages
96% Effi ciency, V
3mm × 3mm DFN-8 Package
95% Effi ciency, V
SC70 Package
95% Effi ciency, V
MS10, 3mm × 3mm DFN-10 Packages
95% Effi ciency, V
4mm × 4mm QFN-16, TSSOP-16E Packages
95% Effi ciency, V
TSSOP-16E, 3mm × 5mm DFN-16 Packages
95% Effi ciency, V
MS10, 3mm × 3mm DFN-10 Packages
95% Effi ciency, V
2mm × 2mm DFN-6, ThinSOT Packages
95% Effi ciency, V
3mm × 3mm QFN-16 Package
95% Effi ciency, V
3mm × 3mm QFN-16 Package
95% Effi ciency, V
DFN-8 Package
95% Effi ciency, V
MS10E, 3mm × 3mm DFN-10 Packages
95% Effi ciency, V
ThinSOT Package
95% Effi ciency, V
3mm × 3mm DFN-8 Package
95% Effi ciency, V
I
SD
< 1μA, 3mm × 3mm QFN-20 Package
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
IN(MIN)
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 1.6V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.3V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.3V to 5.5V, V
: 2.3V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.9V to 5.5V, V
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
© LINEAR TECHNOLOGY CORPORATION 2009
= 0.6V, I
= 0.6V, I
= 0.6V, I
= 0.8V, I
= 0.8V, I
= 0.8V, I
= 0.8V, I
= 0.6V, I
= 0.6V, I
= 0.8V, I
= 0.6V, I
= 0.6V, I
= 0.6V, I
= 0.6V, I
= 0.8V, I
= 0.425V, I
LT 1009 REV B • PRINTED IN USA
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 20μA, I
= 40μA, I
= 65μA, I
= 26μA, I
= 60μA, I
= 60μA, I
= 125μA, I
= 35μA, I
= 26μA, I
= 70μA, I
= 58μA, I
= 40μA, I
= 40μA, I
= 16μA, I
= 240μA, I
Q
= 100μA,
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
3546fb