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MP4690 Datasheet(PDF) 10 Page - Monolithic Power Systems

Part # MP4690
Description  Smart Bypass For LED Open Protection
PDF  11 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4690 Datasheet(HTML) 10 Page - Monolithic Power Systems

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MP4690 – SMART BYPASS FOR LED OPEN PROTECTION
MP4690 Rev. 1.0
www.MonolithicPower.com
10
7/7/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS
GND
R4
0
DIM
LED-
LED3
LED+
R2
C8
NS
C6
NS
C2
LED2
C7
NS
LED1
VIN
EN
C4
D1
STPS1H100
R1
U3
MP4690
U1
MP4690
C1
C3
U2
MP4690
L1
4
BST
2 N/C
1
FB
5
SW
7
EN
8
GND
3
VIN
6
DIM
9
GND
U0
MP4688DN
Figure 6 MP4688 Based Application – Without Output Capacitor
1%
100V
100V
LED-
LED+
EN
GND
VIN
C8
82pF
R7
167k
R10
0
C9
NS
B180
LED3
U3
MP4690
U4
MP4690
C4
D1
R3
R4
LED1
LED2
U2
MP4690
C7
22nF
MP2488
100nF
C1
C12
NS
C14
NS
L2
C5
R8
10k
C13
NS
C2
5
GND
8
BST
6
FREQ
2
EN
4
FB
1
SW
7
VIN
3
COMP
U1
L1
Figure 7 MP2488 Based Application – With Output Capacitor



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