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ML4870CS-3 Datasheet(PDF) 4 Page - Micro Linear Corporation

Part # ML4870CS-3
Description  High Current Boost Regulator with Load Disconnect
PDF  8 Pages
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Manufacturer  MICRO-LINEAR [Micro Linear Corporation]
Direct Link  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4870CS-3 Datasheet(HTML) 4 Page - Micro Linear Corporation

  ML4870CS-3 Datasheet HTML 1Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 2Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 3Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 4Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 5Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 6Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 7Page - Micro Linear Corporation ML4870CS-3 Datasheet HTML 8Page - Micro Linear Corporation  
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ML4870
4
Q1 ON
Q2 OFF
Q1 OFF
Q2 ON
IL
VL2
IL(MAX)
ISET
VOUT
0
0
VL2
5
VOUT
6
+
–
SHUTDOWN
CONTROL
4
SHDN
VIN
IL
2
2.4V
START-UP
3
GND
VL1
1
SYNCHRONOUS
RECTIFIER
CONTROL
BOOST
CONTROL
SHDN
+
–
+
–
8
PWR GND
A1
A2
A3
Q1
Q2
Q3
VOUT
RSENSE
Figure 1. Application Test Circuit
Figure 3. Inductor Current and Voltage Waveforms
Figure 2. PFM Regulator Block Diagram
ML4870
IOUT
100µF
100µF
VIN
27µH
(SUMIDA CD75)
VL1
VIN
GND
SHDN
PWR GND
NC
VL2
VOUT



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