SC1166CSW.TR データシートの表示（PDF） - Semtech Corporation
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SC1166CSW.TR Datasheet PDF : 14 Pages
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SC1166
POWER MANAGEMENT
Pin Configuration
TOP VIEW
AGND 1
GATE1 2
LDOS1 3
LDOS2 4
VCC 5
REF 6
PWRGOOD 7
CS- 8
CS+ 9
PGNDH 10
DH 11
PGNDL 12
24
GATE2
23
LDOV
22
VID0
21
VID1
20
VID2
19
VID3
18
VID4
17
VOSENSE
16
EN
15
BSTH
14
BSTL
13
DL
(SO-24)
Pin Descriptions
Ordering Information
Part Number (1)
SC1166CSW.TR
Package Linear
Temp
Voltage Range (TJ)
SO-24 1.5V/2.5V 0° to 125°C
Note:
(1) Only available in tape and reel packaging. A reel
contains 1000 devices.
Pin #
Pin Name
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.
© 2000 Semtech Corp.
4
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