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SC2542 Datasheet(PDF) 8 Page - Semtech Corporation

Part # SC2542
Description  High Performance Wide Input Range Dual Synchronous Buck Controller
PDF  27 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2542 Datasheet(HTML) 8 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC2542
POWER MANAGEMENT
Block Diagram (Only Channel-1 shown)
5VSBY
Oscillator
Ramp
generator
SS1
FB1
BST1
DRVH1
10V
FB2
LDO
FB1
PVCC
Minumin
DRVL1
VIN
FB1
OVP
0.75V
+
-
OUT
PHASE1
Pulse
VCC
+
-
OUT
-
0.75V
PVCC
Ramp1
OVP
Generator
EN
0.89V
VCC
VCC
+
-
OUT
ERROUT1
R
S/Q
+
-
OUT
PVCC
CLK1
STBY
Skip
VCC
FB1
ON/OFF
PWRGD
0.65V
Mode
Protect 1
UVLO
ROSC
STBY
dector
UVLO
10u A
E/A
+
-
OUT
Protect 1
Protect 1
PHASE1
AGND
Band
VCC
Band
ENABLE
ILIM1
Gap 2
+
-
PWM
+
-
OUT
S
R
Q
Gap 1
MINSET1
3R
R
5V
OCP
85uA
0.675V
15uA
OCP
LDO
0.75V



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