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LP87322B/D Datasheet(PDF) 45 Page - Texas Instruments

Part # LP87322B/D
Description  Dual High-Current Buck Converter and Dual Linear Regulator
PDF  75 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP87322B/D Datasheet(HTML) 45 Page - Texas Instruments

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LP87322B-Q1, LP87322D-Q1, LP87322E-Q1, LP87322F-Q1
www.ti.com
SNVSAC5 – SEPTEMBER 2017
Product Folder Links: LP87322B-Q1 LP87322D-Q1 LP87322E-Q1 LP87322F-Q1
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Copyright © 2017, Texas Instruments Incorporated
Bits
Field
Type
Default
Description
7:4
BUCK1_
SHUTDOWN_
DELAY[3:0]
R/W
0x2*
Shutdown delay of Buck1 from falling edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
3:0
BUCK1_
STARTUP_
DELAY[3:0]
R/W
0x2*
Startup delay of Buck1 from rising edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
8.6.1.15 LDO0_DELAY
Address: 0x0E
D7
D6
D5
D4
D3
D2
D1
D0
LDO0_SHUTDOWN_DELAY[3:0]
LDO0_STARTUP_DELAY[3:0]
Bits
Field
Type
Default
Description
7:4
LDO0_
SHUTDOWN_
DELAY[3:0]
R/W
0x0*
Shutdown delay of LDO0 from falling edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
3:0
LDO0_
STARTUP_
DELAY[3:0]
R/W
0x0*
Startup delay of LDO0 from rising edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
8.6.1.16 LDO1_DELAY
Address: 0x0F
D7
D6
D5
D4
D3
D2
D1
D0
LDO1_SHUTDOWN_DELAY[3:0]
LDO1_STARTUP_DELAY[3:0]
Bits
Field
Type
Default
Description
7:4
LDO1_
SHUTDOWN_
DELAY[3:0]
R/W
0x0*
Shutdown delay of LDO1 from falling edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
3:0
LDO1_
STARTUP_
DELAY[3:0]
R/W
0x0*
Startup delay of LDO1 from rising edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if STARTUP_DELAY_SEL=1 in CONFIG register)
8.6.1.17 GPO_DELAY
Address: 0x10
D7
D6
D5
D4
D3
D2
D1
D0
GPO_SHUTDOWN_DELAY[3:0]
GPO_STARTUP_DELAY[3:0]
Bits
Field
Type
Default
Description
7:4
GPO_
SHUTDOWN_
DELAY[3:0]
R/W
0x0*
Delay for GPO falling edge from falling edge of EN signal:
0x0 - 0 ms
0x1 - 0.5 ms (1 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)
...
0xF - 7.5 ms (15 ms if SHUTDOWN_DELAY_SEL=1 in CONFIG register)



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