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NCP1573 Datasheet(PDF) 5 Page - ON Semiconductor

No. de Pieza. NCP1573
Descripción  Low Voltage Synchronous Buck Controller
Descarga  17 Pages
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NCP1573 Datasheet(HTML) 5 Page - ON Semiconductor

 
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NCP1573
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5
Figure 2. Block Diagram
+
+
Error Amp
+
R
S
Q
PWM Latch
Reset Dominant
PWM COMP
+
Σ
OSC
Art Ramp
80%, 200 kHz
0.525 V
+
− 0.980 V
GND
VFB
COMP
GATE(H)
GATE(L)
PGDELAY
PWRGD
Non
Overlap
VCC
+
− 0.88 V/0.69 V
+
+
0.25 V
S
R
Q
PGDELAY Latch
Set Dominant
+
+
− 3.3 V
12 μA
VCC


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