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LM26480SQ-BF/NOPB Datasheet(PDF) 3 Page - Texas Instruments

Part # LM26480SQ-BF/NOPB
Description  LM26480 Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators
PDF  37 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM26480SQ-BF/NOPB Datasheet(HTML) 3 Page - Texas Instruments

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background image
OSC
Logic
Control and
registers
GND_SW1
GND_SW2
CVDD
4.7 µF
BUCK1
BUCK2
LDO2
RESET
LDO2
GND_C
BIAS
Thermal
Shutdown
LSW 1 2.2 µH
VINLDO1
1
24
6
13
19
5
8
23
4
9
18
LDO1
LDO1
20
CLDO1
0.47 µF
VINLDO12
CLDO2
0.47 µF
LM26480 PMIC
15
SYNC
2
10
ENLDO1
17
ENLDO2
16
GND_L
ENSW1
ENSW2
12
7
1.8V
1.2V
3.3V
3.3V
VINLDO2
AVDD
AVDD
10 µF
10 µF
1 µF
1 µF
1 µF
1 µF
Power On
Reset
nPOR
VDD
FB1
FB2
3
CSW1
10 µF
R1
R2
C1
C2
SW1
FB1
VBUCK1
LSW 2 2.2 µH
14
11
CSW2
10 µF
R1
R2
C1
C2
SW2
FB2
VBUCK2
R1
R2
R1
R2
21
22
FBL1
FBL2
100k
Power
ON-
OFF
Logic
Input
Voltage
LM26480
www.ti.com
SNVS543I – JANUARY 2008 – REVISED MAY 2013
Figure 1. Application Circuit
Copyright © 2008–2013, Texas Instruments Incorporated
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Product Folder Links: LM26480



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