參數資料
型號: LP39542
廠商: National Semiconductor Corporation
英文描述: Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.3 to 4.7; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
中文描述: 高級照明管理單位
文件頁數: 50/58頁
文件大小: 2547K
代理商: LP39542
HC_FLASH (10H) – HIGH CURRENT FLASH DRIVER CONTROL REGISTER
D7
r-0
D6
D5
D4
D3
D2
D1
D0
en_safety
rw-0
hc_pwm
rw-0
fl_t[1:0]
hc[1:0]
en_hcflash
rw-0
rw-0
rw-0
rw-0
rw-0
en_safety
Bit 6
0 - flash timeout feature disabled
1 - flash timeout feature enabled
0 – ext. PWM for high current flash driver disabled
1 – ext. PWM for high current flash driver enabled
Flash duration for high current driver
fl_t[1:0]
Typical flash duration
00
01
10
11
EN_FLASH pin on duration
Current control for high current flash driver
hc[1:0]
00
hc_pwm
Bit 5
fl_t[1:0]
Bits 4-3
200 ms
400 ms
600 ms
hc[1:0]
Bits 2-1
current
0.25×I
MAX(FLASH)
0.50×I
MAX(FLASH)
0.75×I
MAX(FLASH)
1.00×I
MAX(FLASH)
01
10
11
en_hcflash
Bit 0
0 – high current flash driver disabled
1 – high current flash driver enabled
PATTERN_GEN_CTRL (11H) – PATTERN GENERATOR CONTROL REGISTER
D7
D6
D5
D4
D3
D2
D1
loop
rw-0
D0
log
rw-0
en_blink
rw-0
rgb_start
rw-0
r-0
r-0
r-0
r-0
en_blink
Bit 3
0 - blinking sequences start bit disabled
1 - blinking sequences start bit enabled
0 – pattern generator disabled
1 – execution pattern starting from command 1
0 – pattern generator loop disabled (single pattern)
1 – pattern generator loop enabled (execute until stopped)
0 – color intensity mode 0
1 – color intensity mode 1
rgb_start
Bit 2
loop
Bit 1
log
Bit 0
www.national.com
50
L
相關PDF資料
PDF描述
LP39542RL Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.6 to 5.0; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
LP39542RLX Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.9 to 5.3; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
LP39542TL Advanced Lighting Management Unit
LP39542TLX Advanced Lighting Management Unit
LP3954 Advanced Lighting Management Unit
相關代理商/技術參數
參數描述
LP39542RL 制造商:Texas Instruments 功能描述:IC, LIGHTING MGNT UNIT, SMD
LP39542RL/NOPB 功能描述:LED照明驅動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
LP39542RLX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit
LP39542RLX/NOPB 功能描述:LED照明驅動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
LP39542TL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit