ltc3872ets8-trpbf Linear Technology Corporation, ltc3872ets8-trpbf Datasheet - Page 20

• Manufacturer Part Number: ltc3872ets8-trpbf
• Description: No Rsense Current Mode Boost Dc/dc Controller
• Manufacturer: Linear Technology Corporation

RELATED PARTS
TYPICAL APPLICATIO
LTC3872
PART NUMBER
LT
LTC1624
LTC1700
LTC1871-7
LTC1872/LTC1872B
LT1930
LT1931
LTC3401/LTC3402
LTC3704
LTC1871/LTC1871-7
LTC3703/LTC3703-5
LTC3803/LTC3803-5
20
®
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
●
SENSE
SENSE
FAX: [phone]
, Wide Input Range DC/DC Boost Controller
Synchronous Step-Up Controller
1.8nF
U
47pF
17.4k
●
11k
1%
www.linear.com
V
3.3V Input, 5V/2A Output Boost Converter
IN
D1: DIODES, INC B320
L1: TOKOFDV0630-1R0
M1: SILICONIX Si3460DV
34.8k
1%
I
IPRG
GND
V
TH
FB
1nF
LTC3872
RUN/SS
NGATE
SW
V
1 M
IN
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
Optimized for Driving 6V MOSFETs ThinSOT
IN
Up to 36V
SENSE
SENSE
SENSE
M1
, 7V Gate Drive, Current Mode Control
, Current Mode Control, 50kHz to 1MHz
, Current Mode Control, 2.5V ≤ V
L1
1μH
100μF
C
OUT
D1
×2
3872 TA02
C
10μF
IN
IN
16V, Miniature Design
V
3.3V
V
5V
2A
IN
OUT
© LINEAR TECHNOLOGY CORPORATION 2007
IN
≤ 36V
LT 0407 REV A • PRINTED IN USA
IN
≤ 5V
3872fa