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SC1485ITSTRT 数据表(PDF) 7 Page - Semtech Corporation

部件名 SC1485ITSTRT
功能描述  Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
PDF  17 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC1485ITSTRT 数据表(HTML) 7 Page - Semtech Corporation

Back Button SC1485ITSTRT Datasheet HTML 3Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 4Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 5Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 6Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 7Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 8Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 9Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 10Page - Semtech Corporation SC1485ITSTRT Datasheet HTML 11Page - Semtech Corporation Next Button
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 2004 Semtech Corp.
www.semtech.com
SC1485
POWER MANAGEMENT
21
20
19
POR/SS
OT
REF
+
-
FAULT
MONITOR
HI
LO
VDDP
VBAT
FB2
PWM
TON
VOUT2
CONTROL
LOGIC
TOFF
ISENSE
+5V
OC
ZEROI
ON
OFF
PWM
OV
UV
1.5V
X3
VBAT
VCCA
8
EN/PSV2
9
10
11
VOUT2
TON2
VOUT2
VCCA2
12
FBK2
FB2
13
PGOOD2
14
AGND2
18
17
16
15
PGND2
DL2
VDDP2
ILIM2
LX2
DH2
BST2
REF+10%
REF- 10%
REF- 30%
+5V
7
6
5
HI
VDDP
VBAT
FB1
VOUT1
+5V
OC
ZEROI
OV
UV
+5V
VBAT
VCCA
22
EN/PSV1
23
24
25
VOUT1
TON1
VCCA1
26
FBK1
27
PGOOD1
28
AGND1
4
3
2
1
PGND1
DL1
VDDP1
ILIM1
LX1
DH1
BST1
REF+10%
REF- 10%
REF- 30%
ILIMIT
LO
CONTROL
LOGIC
REF
OT
POR/SS
TON
TOFF
X3
FAULT
MONITOR
PWM
ON
OFF
PWM
1.5V
FB1
VCCA2
VCCA1
VOUT1
FIGURE 1
Block Diagram



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