LTC3836 LINER [Linear Technology], LTC3836 Datasheet - Page 28

• Manufacturer Part Number: LTC3836
• Description: Dual 2-Phase, No RSENSETM Low VIN Synchronous Controller
• Manufacturer: LINER [Linear Technology]

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Burst Mode is a registered trademark of Linear Technology Corporation.
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Effi ciency Synchronous Step-Down Controller
No R
Power Supply Tracking Controller
1.25A (I
3A (I
7A, PolyPhase Synchronous Step-Down Regulator with
Output Tracking and Margining
4A (I
with Output Tracking
8A, 4MHz Synchronous Step-Down Regulator
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
Fast 2-Phase, No R
Dual, 550kHz, 2-Phase Synchronous Step-Down
Switching Regulator
Dual, 2-Phase, No R
Dual, 2-Phase, No R
Spread Spectrum
2-Phase, No R
Output Tracking
Dual, 2-Phase, No R
No R
Dual, 2-Phase, No R
QDR Memory Termination
No R
Output Tracking
No R
Step-Down DC/DC Controller
No R
Step-Down DC/DC Controller with External Soft-Start
OUT
OUT
SENSE
SENSE
SENSE
SENSE
SENSE
SENSE
●
FAX: [phone]
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
), 4MHz, Synchronous Step-Down DC/DC Converter
TM
, Low EMI, Synchronous Step-Down Controller with
, Low V
, Low V
Step-Down DC/DC Controller
Synchronous Step-Down Controllers
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
Synchronous Step-Down Controller
SENSE
IN
IN
SENSE
, Dual Synchronous Controller with
, All N-Channel MOSFET, Synchronous
, All N-Channel MOSFET, Synchronous
SENSE
SENSE
SENSE
SENSE
Buck Controller with Output Tracking
Synchronous Controller
Synchronous Controller with
Controller with Output Tracking
Synchronous Controller for DDR/
●
www.linear.com
COMMENTS
Burst Mode
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V
Controls Up to Three Supplies, 10-Lead MSOP
MS Package
95% Effi ciency, V
I
V
QFN Package
95% Effi ciency, V
TSSOP-20E Package
V
2.5V ≤ V
Constant On-Time Dual Controller, V
Duty Cycle Operation, 5mm × 5mm QFN Package
Constant-Frequency, V
5mm × 5mm QFN or 28-Lead SSOP
2.75V ≤ V
V
Spread Spectrum Operation; Output Tracking
2.75V ≤ V
High Current Limit, 4mm × 4mm QFN Package
Non-Synchronous Constant-Frequency with PLL, 4mm × 4mm
QFN and 24-Lead SSOP Packages
2.75V ≤ V
Provides V
4mm × 4mm QFN and 24-Lead SSOP Packages
2.75V ≤ V
DFN and 16-Lead SSOP Packages
2.75V to 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE Packages
2.75V ≤ V
3mm x 3mm DFN Packages
2.75V ≤ V
3mm x 3mm DFN Packages
SD
IN
IN
IN
: 2.5V to 5.5V, Spread Spectrum Operation, 5mm × 7mm
: 2.25V to 5.5V, 5mm × 7mm QFN Package
: 2.75V to 9.8V, 4mm × 4mm QFN Package
= <1mA, TSSOP-16E and 4mm × 4mm QFN Packages
IN
IN
IN
IN
IN
IN
IN
DDQ
≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
®
≤ 9.8V, Output Tracking, Burst Mode Operation
≤ 9.8V, 0.6V ≤ V
≤ 9.8V, SOT-23 or 3mm × 2mm DFN Packages
≤ 9.8V; Spread Spectrum Operation; 3mm × 4mm
≤ 4.5V; 0.6V ≤ V
≤ 4.5V; 0.6V ≤ V
Operation, 16-Pin Narrow SSOP , 3.5V ≤ V
and V
IN
IN
IN
: 2.5V to 5.5V, I
: 2.25V to 5.5V, V
: 2.25V to 5.5V, I
TT
IN
with One IC, 2.75V ≤ V
to 36V, 5V and 3.3V LDOs,
OUT
OUT
OUT
© LINEAR TECHNOLOGY CORPORATION 2006
IN
≤ V
≤ V
≤ V
≤ 36V
Q
SD
IN
IN
IN
IN
= 60μA, I
OUT
, 0.6V ±1% Reference,
, 10-Lead MS and
, 16-Lead SSOP and
Up to 36V, Very Low
= <1μA,
LT 0807 REV A • PRINTED IN USA
= 0.8V, I
SD
IN
= <1μA,
Q
≤ 9.8V,
= 60mA,
IN
≤ 36V
3836fa