LTC3809EMSE-1 Linear Technology, LTC3809EMSE-1 Datasheet - Page 24

• Manufacturer Part Number: LTC3809EMSE-1
• Description: IC CTRLR DC/DC SYNC 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3809EMSE-1

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3809-1
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PART NUMBER
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LTC1778
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LTC3411
LTC3412
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LTC3418
LTC3701
LTC3708
LTC3736/LTC3736-2 2-Phase, No R
LTC3736-1
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LTC3809
PolyPhase is a trademark of Linear Technology Corporation.
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Dual High Effi ciency, 2-Phase Synchronous Step Down Controllers Constant Frequency, Standby, 5V and 3.3V LDOs, V
High Effi ciency Synchronous Step-Down Controller
Synchronous Step-Down Controller
No R
Constant Frequency Current Mode Step-Up Controller
1.25A (I
2.5A (I
4A, 4MHz, Monolithic Synchronous Step-Down Regulator
8A, 4MHz, Monolithic Synchronous Regulator
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
2-Phase, No R
Output Tracking
Output Tracking
Low EMI, 2-Phase, No R
Output Tracking
2-Phase, No R
Micropower, No R
Dual, 2-Phase, No R
Memory Termination
No R
No R
●
SENSE
SENSE
SENSE
FAX: [phone]
OUT
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
, Synchronous Step-Down Controller
, Low EMI, Synchronous Controller with Output Tracking 2.75V ≤ V
, Low EMI, Synchronous DC/DC Controller
), 4MHz, Synchronous Step-Down DC/DC Converter
SENSE
SENSE
SENSE
SENSE
, Dual Synchronous Controller with
, Dual Synchronous Controller with
, Dual DC/DC Controller with Output Tracking
SENSE
, Constant Frequency Step-Down Controller 40μA No-Load IQ, Non-Synchronous, 2.75V ≤ V
SENSE
, Synchronous Controller for DDR/QDR
●
www.linear.com
, Dual Synchronous Controller with
COMMENTS
Burst Mode Operation, 16-Pin Narrow SSOP , Fault Protection,
3.5V ≤ V
2.65V ≤ V
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V
2.5V ≤ V
95% Effi ciency, V
I
95% Effi ciency, V
I
Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V
Tracking Input to Provide Easy Supply Sequencing,
2.25V ≤ V
2.5V ≤ V
Constant On-Time Dual Controller, V
Duty Cycle Operation, 5mm × 5mm QFN Package
2.75V ≤ V
Integrated Spread Spectrum for 20dB Lower “Noise,”
2.75V ≤ V
2.75V ≤ V
550kHz, 3mm × 2mm DFN or 8-Lead TSOT-23 Packages.
Provides V
Adjustable Constant Frequency with PLL Up to 850kHz,
Spread Spectrum Operation, 4mm × 4mm QFN and 24-Lead
SSOP Packages
20dB Lower Peak Noise
2.75V ≤ V
Packages, Spread Spectrum for 20dB Lower Peak Noise
SD
SD
= <1μA, MS Package
= <1μA, TSSOP-16E Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
DDQ
≤ 36V
≤ 9.8V, SOT-23 Package, 550kHz
≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
≤ 8.5V, I
≤ 5.5V, 20-Lead TSSOP Package
≤ 5.5V, QFN Package
≤ 9.8V, 0.6V ≤ V
≤ 9.8V
≤ 9.8V, 0.6V ≤ V
≤ 9.8V, 4mm × 3mm DFN, Spread Spectrum for
≤ 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE
and V
IN
IN
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
OUT
TT
with One IC, 2.75V ≤ V
Up to 4A, 10-Lead MSOP
© LINEAR TECHNOLOGY CORPORATION 2005
OUT
OUT
IN
≤ V
≤ V
≤ 36V
LT 1108 REV C • PRINTED IN USA
OUT
OUT
IN
IN
IN
, 4mm × 4mm QFN
, 4mm × 4mm QFN
Up to 36V, Very Low
= 0.8V, I
= 0.8V, I
IN
Q
Q
IN
≤ 9.8V,
= 60μA,
= 60μA,
≤ 9.8V,
IN
to 36V,
38091fc