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LM10520MH/NOPB データシート(PDF) 4 Page - Texas Instruments

部品番号 LM10520MH/NOPB
部品情報  LM10520 Single-Phase Buck Controller for AVS Systems
PDF  40 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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LM10520MH/NOPB データシート(HTML) 4 Page - Texas Instruments

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LM10520
SNVS638 – NOVEMBER 2010
www.ti.com
PIN DESCRIPTIONS
Number
Pad Name
Type
Pad Description
DAP
GND
Connect Die Attach Pad to ground
1
BOOT
Analog
Boot cap voltage. Connect boot capacitor to this pin.
2
LG
Output
Low Side MOSFET gate drive.
3
PGND
GND
Power ground.
4
VCC
Power
5V bias input
5
PWGD
GND
Power good signal
6
ISEN
Analog
Current limit sense
7
VIN
Power
High voltage bias input
8
NC
No Connect
9
VCC5
Power
5V bias output
10
FLT_N
I/O
External fault input, active low. Causes output to be disabled and
resets R0 (output voltage register)
11
VDD
Power
Digital circuitry bias
12
ADDR
Analog
Connect a resistor from this to ground to set the PWI address
13
ENBIAS
Input
Enable for digital circuitry
14
CONTROL
Input
Enable for output voltage
15
IOUT1
Analog
Connect this pin the FB pin
16
RESET_N
Input
Digital circuitry reset, active low
17
CNTL_EN
Output
Digital circuitry output which control Vout enable/disable
18
VPWI
Power
PWI I/O bias input
19
SPWI
I/O
PWI signal
20
SCLK
Output
PWI clock
21
ON/OFF
Input
Enable for internal 5V LDO
22
EAO
Analog
Error amp output
23
SS/TRACK
Analog
Connecting a capacitor to ground will set the softstart time. Optionally,
if this pin is driven externally the output will track the voltage at this pin
24
FB
Feedback connection
25
FREQ/SYNC
Analog
Connecting a resistor from this pin to ground will set the switching
frequency. Alternatively, a clock source can drive this pin, and the
LM10520 will synchronize to the clock frequency.
26
SD
Input
Shutdown for the analog circuitry
27
PGND
GND
Power ground
28
HG
Analog
High side MOSFET drive
4
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Links: LM10520



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