 English |
|
|
|
|
|
|
|
| MP1495 Datasheet, PDF (1/15 Pages) Monolithic Power Systems – High Efficiency 3A, 16V, 500kHz Synchronous Step Down Converter | |||
| |||
|
The Future of Analog IC Technology
DESCRIPTION
The MP1495 is a high-frequency, synchronous,
rectified, step-down, switch-mode converter
with built-in power MOSFETs. It offers a very
compact solution to achieve a 3A continuous
output current with excellent load and line
regulation over a wide input supply range. The
MP1495 has synchronous mode operation for
higher efficiency over the output current load
range.
Current-mode operation provides fast transient
response and eases loop stabilization.
Full protection features include over-current
protection and thermal shut down.
The MP1495 requires a minimal number of
readily-available standard external components,
and is available in a space-saving 8-pin
TSOT23 package.
MP1495
High Efficiency 3A, 16V, 500kHz
Synchronous Step Down Converter
FEATURES
⢠Wide 4.5V-to-16V Operating Input Range
⢠80mâ¦/30m⦠Low RDS(ON) Internal Power
MOSFETs
⢠High-Efficiency Synchronous Mode
Operation
⢠Fixed 500kHz Switching Frequency
⢠Synchronizes to a 200kHz to 2MHz External
Clock
⢠AAM Power-Save Mode
⢠Internal Soft-Start
⢠OCP Protection and Hiccup
⢠Thermal Shutdown
⢠Output Adjustable from 0.8V
⢠Available in an 8-pin TSOT-23 package
APPLICATIONS
⢠Notebook Systems and I/O Power
⢠Digital Set-Top Boxes
⢠Flat-Panel Television and Monitors
⢠Distributed Power Systems
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Quality Assurance. âMPSâ and âThe
Future of Analog IC Technologyâ are Registered Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
4.5V-16V
VIN
C1
22
EN/
SYNC
C3
R3
0.1
90.9k
R5
10k
2 IN
R4
5 10
BST
MP1495
6 EN/SYNC
3
SW
C4
L1
7
VCC
1
AAM GND
4
8
FB
R1
R9 40.2k
33k
R2
13k
3.3V/2A
C2
47
Efficiency vs. Load Current
VIN=12V, VOUT=3.3V, AAM=0.5V
100
95
90
85
VIN=12V
VIN=5V
80
75
VIN=16V
70
0.01
0.1
1
10
LOAD CURRENT(A)
MP1495 Rev. 1.04
www.MonolithicPower.com
1
12/26/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese