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參數資料
| 型號： | SC615AMLTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | Charge Pump Flash LED Driver |
| 中文描述： | 電荷泵閃光LED驅動器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 216K |
| 代理商： | SC615AMLTRT |
www.semtech.com
1
POWER MANAGEMENT
Description
SC615A
Charge Pump
Flash LED Driver
September 22, 2005
Typical Application Circuit
Applications
Features
Two Selectable Modes - Flash and Spotlight
Up to 700mA Output - Flash Mode
Up to 280mA Output - Spotlight Mode
500mA Over Temperature Range and Voltage
Range - Flash Mode
Spotlight mode set to 40% of Flash Current
3.0V to 5.25V Input Range
External Flash Control Pin for Synchronization to a
Camera Module or Graphics Controller
Short Circuit, Over-Voltage, and Over-Temperature
Protection
Soft-Start Functionality
Two Control Inputs for Maximum Versatility
Shutdown Current < 2
μ
A
Micro Lead Package MLPD-10, 3mm x 3mm
Mobile Camera Phones
Digital Cameras
PDAs with Built-in Cameras
The SC615A is a high-current charge pump designed spe-
cifically for use with white LEDs used in camera flash
applications. Only two small bucket capacitors are re-
quired to develop the output drive, providing a low EMI
solution compared to inductive boost regulators.
The SC615A has two modes of operation: Flash mode
and Spotlight mode. In Flash mode, the SC615A is ca-
pable of delivering 500mA of regulated current for a du-
ration of 500ms or up to 700mA for a reduced duration.
In Spotlight mode the SC615A outputs 40% of the Flash
mode current and can remain enabled continuously.
An external resistor is connected in series with the LED
to set the current. In Flash mode, this resistor can
dissipate up to 175mW, reducing the power dissipation
requirement of the SC615A. The flash input (FLASH)
overrides the control input (CTRL) to make sure the flash
function is activated when called for.
The thermally efficient MLPD-10 package and ceramic
bypass and bucket capacitors make the SC615A a high
output current driver that requires minimal PCB area.
3.0V to 5.25V
SC615A
VIN
1
C2-
2
C2+
10
C1-
4
C1+
8
VOUT
9
FLASH
5
CTRL
7
GND
3
ISET
6
1
μ
F
1
μ
F
FLASH
CTRL
1
μ
F
white LED
0.5
10
μ
F
C1
C2
相關PDF資料 |
PDF描述 |
|---|---|
| SC615 | Charge Pump Flash LED Driver |
| SC615EVB | Charge Pump Flash LED Driver |
| SC615IMLTRT | Charge Pump Flash LED Driver |
| SC617 | Charge Pump Flash LED Driver with Safety Timer |
| SC617EVB | Charge Pump Flash LED Driver with Safety Timer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC615EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Charge Pump Flash LED Driver |
| SC615IMLTRT | 制造商:Semtech Corporation 功能描述:LED DRVR 1Segment 3.3V/5V 10-Pin MLPD T/R |
| SC616CP | 功能描述:音頻指示器及警報器 MEDIUM CHIME 6-16V RoHS:否 制造商:PUI Audio 產品:Indicators 聲壓級:85 dB 音調:Continuous 頻率:2300 Hz +/- 300 Hz 電壓額定值:5 VDC 電流額定值:30 mA 端接類型: 直徑:12 mm 安裝:Through Hole |
| SC616CP-BTR | 功能描述:DC Buzzer Chime 2.9kHz Piezo 6 ~ 16V 68dB @ 6V, 61cm 制造商:mallory sonalert products inc. 系列:SC 包裝:散裝 零件狀態:有效 驅動器電路:指示燈，內部驅動 輸入類型:DC 電壓 - 額定:- 電壓范圍:6 ~ 16V 頻率:2.9kHz 技術:壓電 工作模式:和諧 持續時間:- 聲壓級:68dB @ 6V，61cm 電流 - 電源:6 ~ 23mA 端口位置:頂部 工作溫度:-30°C ~ 65°C 認可:cUL，UL 等級:- 安裝類型:面板安裝 端接:快速連接接片 - 0.250"（6.35mm） 大小/尺寸:42.9mm 直徑 高度 - 安裝（最大值）:* 標準包裝:1 |
| SC616CPN | 功能描述:音頻指示器及警報器 CHIME, 6-16VDC 2900HZ, CUL APPRVD RoHS:否 制造商:PUI Audio 產品:Indicators 聲壓級:85 dB 音調:Continuous 頻率:2300 Hz +/- 300 Hz 電壓額定值:5 VDC 電流額定值:30 mA 端接類型: 直徑:12 mm 安裝:Through Hole |
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