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参数资料
| 型号： | SC4509WLTRT |
| 厂商： | Semtech |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WT/OLED BCKLT MLPD-8 |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | OLED，白色 LED |
| 频率： | 1MHz ~ 1.4MHz |
| 电源电压： | 2.7 V ~ 10 V |
| 输出电压： | 20V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | MLPD-8 |
| 供应商设备封装： | 8-MLPD（2x2） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | SC4509WLDKR |
SC4509
POWER MANAGEMENT
Typical Characteristics
80%
75%
70%
65%
60%
Ef ? ciency vs. LED Current
V IN = 2.7V, V OUT = 16V, (4 LED)
85%
80%
75%
70%
65%
Ef ? ciency vs. LED Current
V IN = 3.3V, V OUT = 16V, (4 LED)
60%
55%
55%
50%
45%
40%
35%
30%
50%
45%
40%
35%
30%
0
2
4
6
8
10
12
14
16
18
20
22
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
85%
80%
75%
70%
ILED (mA)
Ef ? ciency vs. LED Current
V IN = 3.6V, V OUT = 16V, (4 LED)
85%
80%
75%
70%
ILED (mA)
Ef ? ciency vs. LED Current vs. Input Voltage
V OUT = 12V, (3 LED)
65%
60%
55%
50%
45%
40%
35%
65%
60%
55%
50%
45%
40%
35%
VIN = 2.7V
VIN = 3.6V
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
0
5
10
15
20
25
30
35
ILED (mA)
Feedback Voltage vs. Temperature vs. LED Current,
ILED (mA)
Frequency vs. Temperature vs. Input Voltage,
203.0
202.0
V OUT = 16V
1.20
V OUT = 16V
VIN = 2.7V
1.15
201.0
ILED = 20mA
200.0
ILED = 30mA
1.10
VIN = 3.3V
VIN = 3.6V
199.0
1.05
198.0
197.0
1.00
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
Temperature (Deg. C)
Temperature (Deg. C)
? 2007 Semtech Corp.
9
www.semtech.com
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| REC5-0505DRW/H6/C/M | CONV DC/DC 5W 4.5-9VIN +/-05VOUT |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC450ITS | 制造商:Semtech Corporation 功能描述: |
| SC450ITS.TRT | 制造商:SEMTECH 功能描述:I.C. |
| SC450ITS.TRTCUT | 制造商:Semtech Corporation 功能描述: |
| SC450ITSTRT | 制造商:Semtech Corporation 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3V to 30V Input 38-Pin TSSOP T/R |
| SC450R1X542 | 制造商:American Power Conversion Corp (APC by Schneider Electric) 功能描述:APC Smart-UPS 制造商:Schneider Electric 功能描述:SMARTUPS SC 450 W/NETWORK MANAGEMENT CARD - Bulk |
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