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SC2544 Datasheet(PDF) 7 Page - Semtech Corporation

No. de pieza SC2544
Descripción Electrónicos  High Performance Wide Input Range Dual Synchronous Buck Controller
PDF  24 Pages
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Fabricante Electrónico  SEMTECH [Semtech Corporation]
Página de inicio  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2544 Datasheet(HTML) 7 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC2544
POWER MANAGEMENT
Block Diagram (One PWM channel shown)
AGND
0.675V
3R
Protect 1
+
-
OUT
VCC
+
-
OUT
S
R
Q
FB1
DRVL1
Band
FB2
ILIM1
Gap 1
Oscillator
Ramp
generator
VCC
E/A
Band
PVCC
0.75V
0.89V
Gap 2
ENABLE
SS1
OCP
PVCC
10V
FB1
+
-
PWM
BST1
PHASE1
LDO
Ramp1
+
-
OUT
VIN
+
-
OUT
-
FB1
OCP
R
S/Q
+
-
OUT
FB1
DRVH1
OVP
0.75V
0.75V
VCC
ERROUT1
R
CLK1
OVP
EN
Protect 1
10u A
ON/OFF
+
-
OUT
UVLO
ROSC
UVLO
0.75V
PWRGD
PHASE1
VCC
Protect 1
PVCC



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