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ML4894 Datasheet(PDF) 5 Page - Micro Linear Corporation

Part # ML4894
Description  Synchronous Buck Controller
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MICRO-LINEAR [Micro Linear Corporation]
Direct Link  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4894 Datasheet(HTML) 5 Page - Micro Linear Corporation

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ML4894
5
Figure 1. ML4894 Functional Block Diagram
Figure 2. ON-Time vs. Input Voltage
Figure 3. Volt-seconds vs. Input Voltage
OSCILLATOR
ONE SHOT
L1
2.5V
3
+
–
VOUT
ISENSE
COUT
VFB
TRANSCONDUCTANCE
AMPLIFIER
-7mV
S
R
Q
Q
CURRENT
COMPARATOR
SHOOT-THRU
PROTECTION
VIN
2
6
N DRV
7
P DRV
Rgm
tON
VSR
SYNCHRONOUS
RECTIFIER
COMPARATOR
RSENSE
IL
CIN
25
20
15
10
5
0
VIN (V)
5
7.5
10
15
12.5
60
50
40
30
20
10
0
VIN (V)
5
7.5
10
15
12.5



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