ltc3873 Linear Technology Corporation, ltc3873 Datasheet - Page 16

• Manufacturer Part Number: ltc3873
• Description: No Rsense Constant Frequency Current Mode Boost/flyback/sepic Dc/dc Controller
• Manufacturer: Linear Technology Corporation

RELATED PARTS
LTC3873
PART NUMBER
LT
LTC1624
LTC1700
LTC1871-7
LTC1872/LTC1872B
LT1930
LT1931
LTC3401/LTC3402
LTC3704
LTC1871/LTC1871-7
LTC3703/LTC3703-5
LTC3803/LTC3803-5
LTC3805
LTC3825
LTC3837
LTC3872
LTC3873-5
16
®
1619
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Current Mode PWM Controller
Current Mode DC/DC Controller
No R
Wide Input Range Controller
SOT-23 Boost Controller
1.2MHz, SOT-23 Boost Converter
Inverting 1.2MHz, SOT-23 Converter
1A/2A 3MHz Synchronous Boost Converters
Positive-to Negative DC/DC Controller
No R
100V Synchronous Controller
200kHz Flyback DC/DC Controller
Adjustable Frequency Flyback Controller
Isolated No-Opto Synchronous Flyback Controller
Isolated No-Opto Synchronous Flyback Controller
No R
No R
Controller
●
SENSE
SENSE
SENSE
SENSE
FAX: [phone]
, Wide Input Range DC/DC Boost Controller
Synchronous Step-Up Controller
Boost Controller
Constant Frequency Boost/Flyback/SEPIC
●
www.linear.com
COMMENTS
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
SO-8; 300kHz Operating Frequency; Buck, Boost, SEPIC Design;
V
Up to 95% Effi ciency, Operating as Low as 0.9V Input
No R
Delievers Up to 5A, 550kHz Fixed Frequency, Current Mode
Up to 34V Output, 2.6V V
Positive-to Negative DC/DC Conversion, Miniature Design
Up to 97% Effi ciency, Very Small Solution, 0.5V ≤ V
No R
No R
Step-Up or Step Down, 600kHz, SSOP-16, SSOP-28
V
V
V
V
550kHz Fixed Frequency, ThinSOT or DFN, 2.75V ≤ V
V
ThinSOT or DFN Package
IN
IN
IN
IN
IN
IN
Up to 36V
and V
and V
24V to 75V, Up to 80W Current Mode Control
4.5V to 20V, Up to 60W Current Mode Control
and V
SENSE
SENSE
SENSE
OUT
OUT
OUT
, 7V Gate Drive, Current Mode Control
, Current Mode Control, 50kHz to 1MHz
, Current Mode Control, 2.5V ≤ V
Limited Only by External Components
Limited Only by External Components
Limited by External Components, 200kHz Frequency,
IN
16V, Miniature Design
© LINEAR TECHNOLOGY CORPORATION 2007
IN
≤ 36V
IN
LT 0407 • PRINTED IN USA
IN
≤ 5V
≤ 9.8V
3873f