ML4871CS-3 MICRO-LINEAR [Micro Linear Corporation], ML4871CS-3 Datasheet - Page 4
![no-image](/images/no-image-200.jpg)
ML4871CS-3
Manufacturer Part Number
ML4871CS-3
Description
High Current Boost Regulator
Manufacturer
MICRO-LINEAR [Micro Linear Corporation]
Datasheet
1.ML4871CS-3.pdf
(9 pages)
- Current page: 4 of 9
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ML4871
4
2
V IN
R SENSE
+
–
A1
V L1
V L2
I L
START-UP
Figure 3. Inductor Current and Voltage Waveforms.
1
V IN
I L(MAX)
100µF
V OUT
I SET
CONTROL
Figure 2. PFM Regulator Block Diagram.
BOOST
0
0
Figure 1. Application Test Circuit.
I L
Q2 OFF
Q1 ON
PWR GND
V L1
V IN
GND
DETECT
(Sumida CD75)
Q1
ML4871
20µH
Q1 OFF
PWR GND
Q2 ON
6
V OUT
RESET
V L2
8
V L2
I SET
SYNCHRONOUS
200µF
CONTROL
RECTIFIER
I OUT
A3
+
–
Q2
A2
1.25V
GND
+
–
3
V OUT
5
V OUT
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