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MP2269GD Datasheet(PDF) 18 Page - Monolithic Power Systems

Part # MP2269GD
Description  3.3V - 30V, 1A, 12uA IQ, Synchronous, Step-Down Converter with External Soft Start and Power Good in 2x3mm QFN Package
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2269GD Datasheet(HTML) 18 Page - Monolithic Power Systems

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MP2269 - 30V, 1A, LOW IQ, SYNCHRONOUS STEP-DOWN CONVERTER
MP2269 Rev. 1.0
www.MonolithicPower.com
18
10/11/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS (continued)
MP2269
VIN
EN
VIN
FREQ
FB
BST
VOUT
SW
NC
VCC
BIAS
PG
SS
12V
MODE
C1C
0.1μF
R5
100kΩ
C1A
10μF
R6
NS
R3
165kΩ
C5
1μF
C3
12nF
C7
NS
C4
1μF
R4
0Ω
L1
5.6μH
C2A
22μF
C2B
22μF
C2C
0.1μF
R7
10Ω
R1
1MΩ
R2
806kΩ
C6
5.6pF
R8
0Ω
EN
PG
1.8V/1A
MODE
BIAS
R9
100kΩ
2
4
6
11
15
13
12
3, 8
5
7
1
14
9
10
Figure 10: V
IN = 12V, VOUT = 1.8V
MP2269
VIN
EN
VIN
FREQ
FB
BST
VOUT
SW
NC
VCC
BIAS
PG
SS
12V
MODE
C1C
0.1μF
R5
100kΩ
C1A
10μF
R6
NS
R3
165kΩ
C5
1μF
C3
12nF
C7
NS
C4
1μF
R4
0Ω
L1
4.2μH
C2A
22μF
C2B
22μF
C2C
0.1μF
R7
10Ω
R1
750kΩ
R2
1.5MΩ
C6
5.6pF
R8
0Ω
EN
PG
1.2V/1A
MODE
BIAS
R9
100kΩ
2
4
6
11
15
13
12
3, 8
5
7
1
14
9
10
Figure 11: V
IN = 12V, VOUT = 1.2V
MP2269
VIN
EN
VIN
FREQ
FB
BST
VOUT
SW
NC
VCC
BIAS
PG
SS
12V
MODE
C1C
0.1μF
R5
100kΩ
C1A
10μF
R6
NS
R3
165kΩ
C5
1μF
C3
12nF
C7
NS
C4
1μF
R4
0Ω
L1
3.3μH
C2A
22μF
C2B
22μF
C2C
0.1μF
R7
10Ω
R1
470kΩ
R2
1.5MΩ
C6
5.6pF
R8
0Ω
EN
PG
1.05V/1A
MODE
BIAS
R9
100kΩ
2
4
6
11
15
13
12
3, 8
5
7
1
14
9
10
Figure 12: V
IN = 12V, VOUT = 1.05V
NOTE:
9)
To use the BIAS function, connect BIAS to a power source higher than 4.8V. If the BIAS function is not used, connect BIAS to GND.



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