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參數(shù)資料
| 型號(hào)： | SC604EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | Low Noise, High Efficiency Regulated White LED Driver |
| 中文描述： | 低噪聲，高效率調(diào)控白光LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 6/18頁(yè) |
| 文件大小： | 375K |
| 代理商： | SC604EVB |
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6
2005 Semtech Corp.
www.semtech.com
SC604A
POWER MANAGEMENT
Block Diagram
s
u
p
n
r
n
o
C
)
s
u
t
a
t
S
t
u
p
t
u
O
2
L
R
T
C
1
L
R
T
C
0
L
R
T
C
4
D
E
L
3
D
E
L
2
D
E
L
1
D
E
L
0
0
0
F
F
O
F
F
O
F
F
O
N
O
0
0
1
F
F
O
F
F
O
N
O
F
F
O
0
1
0
F
F
O
N
O
F
F
O
F
F
O
0
1
1
N
O
F
F
O
F
F
O
F
F
O
1
0
0
F
F
O
F
F
O
N
O
N
O
1
0
1
F
F
O
N
O
N
O
N
O
1
1
0
N
O
N
O
N
O
N
O
1
1
1
F
F
O
F
F
O
F
F
O
F
F
O
Table 1 - LED Enable Logic
VIN
CTRL0
EN
VOUT
7
2
1
6
C1+
8
C2-
10
C2+
11
C1-
9
mAhXLife Fractional Charge Pump
[1x, 1.5x, 2x]
Schmitt Buffer
Schmitt Buffer
250kHz
Oscillator
& Delay Clk
Mode Select
[1x, 1.5x, 2x
Startup, Shutdown]
Current Brightness Control
Current Sense FETs
and Amplifier(s)
Current Set Detect
1.22V Bandgap
Voltage
GND
ISET
CTRL1
ILED3
14
ILED2
ILED1
16
ILED4
CTRL2
Schmitt Buffer
Schmitt Buffer
Ouput Selection
Logic
3
4
12
5
13
15
Notes:
(1) The sequencing of Enable and logic state CTRL{2,1,0} = [1, 1, 1] will affect quiescent state current. I
= 100μA if Enable transitions high before
CTRL{2,1,0} transitions to [1, 1, 1]. I
= 400μA if Enable transitions high after CTRL{2,1,0} transitions to [1, 1, 1]. If Enable = high and CTRL{2,1,0}= [1, 1,
1] is to be used for an extended period of time, it is recommended that Enable = High when change to the [1, 1, 1] state to achieve the lower I
Q
level.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC604-R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech And Music Processor |
| SC604-RL1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech And Music Processor |
| SC605 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Charge Pump Flash LED Driver |
| SC605EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Charge Pump Flash LED Driver |
| SC605MLTRT | 制造商:Semtech Corporation 功能描述:LED DRVR 1Segment 3.3V/5V 12-Pin MLPD T/R |
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