SC1185ACSW.TRT(2005) データシートの表示（PDF） - Semtech Corporation
部品番号
コンポーネント説明
メーカー
SC1185ACSW.TRT
(Rev.:2005)
(Rev.:2005)
Semtech Corporation
SC1185ACSW.TRT Datasheet PDF : 14 Pages
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SC1185 & SC1185A
POWER MANAGEMENT
Pin Configuration
Ordering Information
TOP VIEW
AGND
1
24
GATE1
2
23
LDOS1
3
22
LDOS2
4
21
VCC
5
20
REF
6
19
PWRGOOD
7
18
CS-
8
17
CS+
9
16
PGNDH
10
15
DH
11
14
PGNDL
12
13
GATE2
LDOV
VID0
VID1
VID2
VID3
VID4
VOSENSE
EN
BSTH
BSTL
DL
(24 Pin SOIC)
Pin Descriptions
Pin #
Pin Name
Part Number
Package (1) Linear
Temp
Voltage Range (TJ)
SC1185CSW.TR
SC1185CSW.TRT(3)
SO-24 1.5V2.5V 0° to 125°C
SC1185ACSW.TR
SC1185ACSW.TRT(3)
SO-24 1.5V2.5V 0° to 125°C
Notes:
(1) Only available in tape and reel packaging. A reel contains
1000 devices.
(2) SC1185A provides improved output tolerance. See Output
Voltage Table.
(3). Lead free product. This product is fully WEEE and RoHS
compliant.
Pin Function
1
AGND
Small Signal Analog and Digital Ground
2
GATE1
Gate Drive Output LDO1
3
LDOS1
Sense Input for LDO1
4
LSOS2
Sense Input for LDO2
5
VCC
Input Voltage
6
REF
Buffered Reference Voltge output
7
PWRGOOD(1)
Open collector logic output, high if VO within 10% of setpoint
8
CS-
Current Sense Input (negative)
9
CS+
Current Sense Input (positive)
10
PGNDH
Power Ground for High Side Switch
11
DH
High Side Driver Output
12
PGNDL
Power Ground for Low Side Swtch
13
DL
Low side Driver Output
14
BSTL
Supply for Low Side Driver
15
BSTH
Supply for High Side Driver
16
EN (1)
Logic low shuts down the converter. High or open for normal operation.
17
VOSENSE
Top end of internal feedback chain
18
VID4 (1)
Programming Input (MSB)
19
VID3 (1)
Programming Input
20
VID2 (1)
Programming Input
21
VID1 (1)
Programming Input
22
VID0 (1)
Programming Input (LSB)
23
LDOV
+12V for LDO section
24
GATE2
Gate Drive Output LDO2
Note:
(1) All logic level inputs and outputs are open collector TTL compatible.
2005 Semtech Corp.
4
www.semtech.com
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