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ML4771CS Scheda tecnica(PDF) 4 Page - Micro Linear Corporation

Il numero della parte ML4771CS
Spiegazioni elettronici  High Current Boost Regulator
PDF  8 Pages
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Produttore elettronici  MICRO-LINEAR [Micro Linear Corporation]
Homepage  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4771CS Scheda tecnica(HTML) 4 Page - Micro Linear Corporation

  ML4771CS Datasheet HTML 1Page - Micro Linear Corporation ML4771CS Datasheet HTML 2Page - Micro Linear Corporation ML4771CS Datasheet HTML 3Page - Micro Linear Corporation ML4771CS Datasheet HTML 4Page - Micro Linear Corporation ML4771CS Datasheet HTML 5Page - Micro Linear Corporation ML4771CS Datasheet HTML 6Page - Micro Linear Corporation ML4771CS Datasheet HTML 7Page - Micro Linear Corporation ML4771CS Datasheet HTML 8Page - Micro Linear Corporation  
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ML4771
Figure 1. Application Test Circuit.
Figure 3. Inductor Current and Voltage Waveforms.
Figure 2. PFM Regulator Block Diagram.
ML4771
IOUT
200µF
100µF
VIN
20µH
(Sumida CD75)
VL1
VIN
GND
SENSE
PWR GND
NC
VL2
VOUT
268k
Ω
259k
Ω
VIN
VL2
5
VOUT
4
SENSE
6
+
–
VIN
IL
2
2.57V
START-UP
3
GND
VL1
1
SYNCHRONOUS
RECTIFIER
CONTROL
BOOST
CONTROL
+
–
+
–
8
PWR GND
A1
A2
A3
R1
R2
Q1
Q2
VOUT
RSENSE
ISET
Q1 ON
Q2 OFF
Q1 OFF
Q2 ON
IL
VL2
IL(MAX)
ISET
VOUT
0
0



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