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PDF MP6903 Data sheet ( Hoja de datos )
| Número de pieza | MP6903 | |
| Descripción | Fast Turn-off Intelligent Controller | |
| Fabricantes | MPS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MP6903 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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MP6903
The Future of Analog IC Technology
Fast Turn-off Intelligent Controller
DESCRIPTION
The MP6903 is a low-drop diode e mulator that,
combined with an external switch, replaces
Schottky diodes in
high-efficiency LLC
converters. The chip re gulates the forward drop
of an external switch to about 70mV and
switches it off as soon as the voltage goes
negative. MP6903 has a light- load sleep mode
that reduces the quiescent current to < 300µA.
FEATURES
Works with Standard and Logic-Level FETS
Compatible with Energy Star, 1W Standby
Requirements
VDD Range from 8V to 24V
Fast Turn-Off: Total Delay of 20ns
Max 400kHz Switching Frequency
<300µA Quiescent Current in Light Load
Mode
Supports DCM, CCM and CrCM Operation
Supports High-Side and Low-Side
Rectification
Power Savings of Up to 1.5W for a Typical
Notebook Adapter
APPLICATIONS
Industrial Power Systems
Distributed Power Systems
Battery Powered Systems
LLC Converters
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
Qa
Cs
Cin
Qb
Output
U1
MP6903
R2
120k
R3
10k
1 PGND
VG 8
VG1
EN
Or Left
Open
C2 1nF
2 EN
3 LL
R1 100k 4 VD
NC 7
VDD
VSS
6
5
C1
2.2uF
R5
1k VG1
Ls
Q1
Lm Output
C4
VG2
GND
R6 Q2
1k MP6903
1 PGND
VG 8
VG2
C3 1nF
R4 100k
2 EN
3 LL
4 VD
NC 7
VDD 6
VSS 5
U2
MP6903 Rev. 1.04
www.MonolithicPower.com
1/31/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1
http://www.Datasheet4U.com
1 page  
MP6903- FAST TURN-OFF INTELLIGENT CONTROLLER
TYPICAL PERFORMANCE CHARACTERISTICS
VDD = 12V, unless otherwise noted.
VFWD vs. Temperature
Turn off threshold vs.
Temperature
80 -20
75 -25
70 -30
65 -35
60
-50
0
50 100 150
-40
-50
0
50 100 150
Quiescent Current vs.
Temperature
2.4
2.2
2
1.8
1.6
1.4
1.2
1-50 0 50 100 150
Shutdown Current vs.
Temperature
200
150
100
50-50 0 50 100 150
VDD UVLO Rising vs.
Temperature
7
6.5
6
5.5
5
-50
0
50 100 150
Operation Current vs.
Temperature
CLOAD=5nF, fSW=100kHz
7.8
7.6
7.4
7.2
7
6.8
6.6
-50
0
50 100 150
Light Load Mode Current
vs. Temperature
350
330
310
290
270
250
-50
0
50 100 150
EN UVLO Rising vs.
Temperature
1.7
1.6
1.5
1.4
1.3
1.2
-50
0
50 100 150
Turn On Delay vs.
Temperature
700CLOAD=5nF
600
500
400
300
200
100
0
-50
0
50 100
150
MP6903 Rev. 1.04
www.MonolithicPower.com
1/31/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MP6903.PDF ] | |
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