sc2544 Semtech Corporation, sc2544 Datasheet - Page 7
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sc2544
Manufacturer Part Number
sc2544
Description
Sc2544 High Performance Wide Input Range Dual Synchronous Buck Controller
Manufacturer
Semtech Corporation
Datasheet
1.SC2544.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
sc25448P
Manufacturer:
HYUNDAI
Quantity:
5 510
Part Number:
sc25448P
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
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POWER MANAGEMENT
Block Diagram
2005 Semtech Corp.
ERROUT1
ENABLE
ROSC
FB1
SS1
VCC
VIN
AGND
Oscillator
Ramp
generator
EN
OUT
VCC
3R
FB1
ON/OFF
+
UVLO
(One PWM channel shown)
-
VCC
Ramp1
CLK1
0.75V
R
-
+
+
-
E/A
OUT
PWM
Band
Gap 1
0.75V
UVLO
+
-
OUT
10V
LDO
Band
Gap 2
S
R
R
S
7
0.75V
/Q
Q
Protect 1
0.75V
0.675V
FB1
FB2
OVP
Protect 1
OUT
+
-
-
OUT
Protect 1
+
-
OCP
FB1
PVCC
0.89V
OUT
OVP
PHASE1
PVCC
+
-
OCP
VCC
10u A
www.semtech.com
SC2544
DRVH1
PHASE1
DRVL1
PWRGD
BST1
PVCC
ILIM1