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參數(shù)資料
| 型號： | SC622A |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| 中文描述： | LED燈管理股電荷泵，400mA的閃光LED，雙LDO和I2C接口 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 326K |
| 代理商： | SC622A |
SC622A
6
Notes:
(1) Once tripped, flash output will remain disabled until FLEN pin is cycled or reset via serial interface.
(2) Test voltage is V
OUT
= 4.5V — a relatively extreme LED voltage — to force a transition during test. Typically V
OUT
= 3.3V for the white LED at
100mA.
(3) Dropout is defined as (V
IN
- V
LDO1
) when V
LDO1
drops 100mV from nominal. Dropout does not apply to LDO2 since it has a maximum output voltage
of 1.8V.
(4) Guaranteed by design
Parameter
Symbol
Conditions
Min
Typ
Max
Units
I
2
C Interface (continued)
I/O Pin Capacitance
C
IN
10
pF
I
2
C Timing
Clock Frequency
f
SCL
400
440
kHz
SCL Low Period
(4)
t
LOW
1.3
μs
SCL High Period
(4)
t
HIGH
0.6
μs
Data Hold Time
(4)
t
HD_DAT
0
μs
Data Setup Time
(4)
t
SU_DAT
100
μs
Setup Time for Repeated
START Condition
(4)
t
SU_STA
0.6
μs
Hold Time for Repeated
START Condition
(4)
t
HD_STA
0.6
μs
Setup Time for STOP
Condition
(4)
t
SU_STO
0.6
μs
Bus-Free Time Between
STOP and START
(4)
t
BUF
1.3
μs
Interface Start-up Time
(4)
t
EN
Bus Start-up Time After EN Pin is Pulled High
1
ms
Electrical Characteristics (continued)
相關PDF資料 |
PDF描述 |
|---|---|
| SC622AEVB | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622AULTRT | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622 | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC622EVB | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC622ULTRT | LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SC622A_09 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED,Dual LDOs,and I2C Interface |
| SC622AEVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622AULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface |
| SC622EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWire Interface |
| SC622ULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and SemWireTM Interface |
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