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LP3958TL 数据表(PDF) 27 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LP3958TL
功能描述  Lighting Management Unit with High Voltage Boost Converter
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3958TL 数据表(HTML) 27 Page - National Semiconductor (TI)

Back Button LP3958TL Datasheet HTML 20Page - National Semiconductor (TI) LP3958TL Datasheet HTML 21Page - National Semiconductor (TI) LP3958TL Datasheet HTML 22Page - National Semiconductor (TI) LP3958TL Datasheet HTML 23Page - National Semiconductor (TI) LP3958TL Datasheet HTML 24Page - National Semiconductor (TI) LP3958TL Datasheet HTML 25Page - National Semiconductor (TI) LP3958TL Datasheet HTML 26Page - National Semiconductor (TI) LP3958TL Datasheet HTML 27Page - National Semiconductor (TI) LP3958TL Datasheet HTML 28Page - National Semiconductor (TI)  
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LP3958 Register Bit Explanations (Continued)
ENABLES (0BH) – ENABLES REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
NSTBY
EN_BOOST
EN_AUTOLOAD
R-0
RW-0
RW-0
R-0
R-0
RW-1
R-0
R-0
NSTBY
Bit 6
0 – LP3958 standby mode
1 – LP3958 active mode
EN_BOOST
Bit 5
0 – Boost converter disabled
1 – Boost converter enabled
EN_AUTOLOAD
Bit 2
0 – Boost active load disabled
1 – Boost active load enabled
BOOST OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
BOOST[7:0]
RW-0
RW-0
RW-0
RW-0
RW-1
RW-0
RW-0
RW-0
BOOST output voltage adjustment
BOOST[7:0]
Typical boost output voltage (V)
0000 1000
8.00
0000 1001
9.00
0000 1010
10.00
0000 1011
11.00
0000 1100
12.00
0000 1101
13.00
0000 1110
14.00
0000 1111
15.00
0001 0000
16.00
0001 0001
17.00
0001 0010
18.00
PWM ENABLE (2BH) – EXTERNAL PWM CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
EN_EXT_K1_PWM
EN_EXT_K2_PWM
EN_EXT_K3_PWM
EN_MAIN_PWM
EN_SUB_PWM
R-0
R-0
R-0
RW-0
RW-0
RW-0
RW-0
RW-0
EN_EXT_K1_PWM
Bit 4
0 – External PWM control for KEY1 disabled
1 – External PWM control for KEY1 enabled
EN_EXT_K2_PWM
Bit 3
0 – External PWM control for KEY2 disabled
1 – External PWM control for KEY2 enabled
EN_EXT_K3_PWM
Bit 2
0 – External PWM control for KEY3 disabled
1 – External PWM control for KEY3 enabled
EN_EXT_MAIN_PWM
Bit 1
0 – External PWM control for MAIN disabled
1 – External PWM control for MAIN enabled
EN_EXT_SUB_PWM
Bit 0
0 – External PWM control for SUB disabled
1 – External PWM control for SUB enabled
www.national.com
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