SC2642 Semtech Corporation, SC2642 Datasheet - Page 6
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SC2642
Manufacturer Part Number
SC2642
Description
Multi-Platform Two-Phase PWM Controller
Manufacturer
Semtech Corporation
Datasheet
1.SC2642.pdf
(10 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC2642TSTRT
Manufacturer:
SEMTECH
Quantity:
3 261
www.DataSheet4U.com
POWER MANAGEMENT
Block Diagram
2005 Semtech Corp.
OUTSEN
OSCREF
DACSTEP
GSENSE
BGOUT
OS1
OS2
VID0
VID1
VID2
VID3
VID4
VID5
FB
20
19
15
12
11
10
13
1
9
8
6
5
2
4
OUTSEN
OUTSEN
BGOUT
DAC
BUFFER
VID0
VID1
VID2
VID3
VID4
VID5
OSCILLATOR
ROSC
+
-
+
-
+
-
OUT
C/A1
C/A2
Ramp
DROOP
OSC
11111
INHIBIT
OUT
OUT
VDAC
VCC
R
OUT
VBG
R
+
-
2R
R
BANDGAP
VCC
GSEN
R
VREF
-
+
2R
0
OUT
R
Errout
+
-
+
-
6
PWM1
PWM2
VBG
-
+
OUT
OUT
CLOCK DIVIDER
E/A
CLK
OUT
BGOUT
P1
P2
Power Good Threshold
OCP &
SHUTDOWM
UVLO &
LATCH
ERROUT
R
S
R
S
Q
Q
PWR_GOOD
+
-
DRV1
DRV2
OUT
www.semtech.com
SC2642
0
17
18
14
3
7
16
OUT1
OUT2
PGOOD
ERROUT
VCC
AGND