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參數(shù)資料
| 型號(hào)： | SC624AULTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface |
| 中文描述： | LED燈管理股電荷泵，4個(gè)LED，雙LDO和I2C接口 |
| 文件頁(yè)數(shù)： | 6/23頁(yè) |
| 文件大?。?/td> | 309K |
| 代理商： | SC624AULTRT |
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SC624A
6
Notes:
(1) ΔV
(2) Current matching equals ± [I
- I
] / [I
+ I
].
(3) Test voltage is V
= 4.0V — a relatively extreme LED voltage — to force a transition during test. Typically V
= 3.2V for white LEDs.
(4) 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.
(5) Guaranteed by design
is the voltage difference between any two LEDs.
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
(5)
t
LOW
1.3
μs
SCL High Period
(5)
t
HIGH
0.6
μs
Data Hold Time
(5)
t
HD_DAT
0
μs
Data Setup Time
(5)
t
SU_DAT
100
μs
Setup Time for Repeated
START Condition
(5)
t
SU_STA
0.6
μs
Hold Time for Repeated
START Condition
(5)
t
HD_STA
0.6
μs
Setup Time for STOP
Condition
(5)
t
SU_STO
0.6
μs
Bus-Free Time Between
STOP and START
(5)
t
BUF
1.3
μs
Interface Start-up Time
(5)
t
EN
Bus Start-up Time After EN Pin is Pulled High
1
ms
Electrical Characteristics (continued)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC624A | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface |
| SC624AEVB | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface |
| SC624 | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWireTM Interface |
| SC624EVB | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWireTM Interface |
| SC624ULTRT | LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWireTM Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC624EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs,and SemWireTM Interface |
| SC624ULTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs,and SemWireTM Interface |
| SC627 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC627_09 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and SemWireTM Interface |
| SC627A | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and I2C Interface |
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