参数资料
型号: MIC2291BD5 TR
厂商: Micrel Inc
文件页数: 2/10页
文件大小: 0K
描述: IC LED DRIVER PHOTO FLASH TSOT-5
标准包装: 3,000
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 闪灯/白光
类型 - 次要: 白色 LED
频率: 1.05MHz ~ 1.35MHz
电源电压: 2.5 V ~ 10 V
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
其它名称: MIC2291BD5TR
Micrel, Inc.
Ordering Information
MIC2291
Part Number
Marking*
Overvoltage
Junction
Package
Lead Finish
Protection
Temp. Range
MIC2291BD5
MIC2291YD5
MIC2291-15BML
MIC2291-15YML
SSAA
SSAA
STA
STA**
15
15
–40° to +125°C
–40° to +125°C
–40° to +125°C
–40° to +125°C
5-Pin Thin SOT23
5-Pin Thin SOT23
8-Pin 2mm x 2mm MLF ?
8-Pin 2mm x 2mm MLF ?
Standard
Pb-Free
Standard
Pb-Free
MIC2291-34BML
STC
34
–40° to +125°C
8-Pin 2mm x 2mm MLF
?
Standard
MIC2291-34YML
STC**
34
–40° to +125°C
8-Pin 2mm x 2mm MLF
?
Pb-Free
Notes:
*
**
Under bar / Over bar symbol may not be to scale.
Over bar symbol located after Pin 1 identifier.
Pin Configuration
FB GND SW
3 2 1
OVP
VIN
EN
1
2
3
8
7
6
PGND
SW
FB
4
5
AGND
4
EP
5
NC
EN
VIN
8-Pin 2mm x 2mm MLF (ML)
5-Pin TSOT23 (D5)
Pin Description
?
Pin Number
TSOT23-5
1
2
3
Pin Number
2x2 MLF-8
7
6
Pin Name
SW
GND
FB
Pin Name
Switch node (Output): Internal power BIPOLAR collector.
Ground (Return): Ground.
Feedback (Input): Output voltage sense node. Connect the cathode
of the LED to this pin. Connect current set resistor from this pin to
ground.
4
3
EN
Enable (Input): Logic high ( ≥ 1.5V) enables regulator. Logic low
( ≤ 0.4V) shuts down regulator.
5
2
1
VIN
OVP
Supply (Input): Input Voltage.
Overvoltage protection (Input): Connect to the output to clamp the
maximum output voltage.
May 2007
4
8
5
EP
AGND
PGND
NC
GND
Analog ground. Internally connected to ground.
Power ground.
No connect (no internal connection to die).
Ground (Return): Exposed backside pad.
2
M9999-051507
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