LY2207是一款高侧电流感应的高亮度LED驱动控制器，设计运用于高效驱动由高于LED正向导通电压的电源供电的单个或多个串联LED。该装置的运作是在6V到35V之间，提供了一个外部可调的高达1A的输出电流。根据电力供应的电压和外部元件，可以提供高达25瓦的输出功率。
LY2207包括输出开关和一个高侧的输出电流传感电路，可利用外部电阻器来设定的平均输出电流或由精心设计的直流电压或PWM信号来加载ADJ脚来调节输出电流。在ADJ脚上加低于0.5V的电压将关断输出电流和开关动作，使该芯片进入低功耗待机状态。LY2207的封装为SOT89-5。
特点
极少的外围器件数
宽输入电压范围: 6V-35V
高达1A的输出电流
开关控制及亮度的直流电压控制和PWM控制
由单脚实现
输出电流准确性可达+5%
内建的LED开路保护
高达95%的效率
高侧电流感应
迟滞控制，无需补偿
应用
LED替换低压卤素灯应用
汽车照明
低压照明工业
LED后备照明
发亮标志
紧急照明系统
液晶电视背光
LY73XX
The LY73XX series is a set of three-terminal, low power, high voltage regulators implemented in CMOS ogy. The series features extremely low quiescent cur-technol-rent which is typically 4uμA. They high as 12V. The device provides large current with aallow input voltages as significantly small dropout voltage.
The LY73XX consists of a high-precision voltage refer- ence, an error correction circuit, and a current limnited output driver. They are available with several fixed out-put voltages ranging from 1.8V to 5.0V. CMOS technol-ogy ensures low dropout voltage and low current consumption. Although designed primarily as fixed volt-age regulators, these devices can be used with external components to generate variable voltages and currents.
Features
UItra low quiescent current: 4μA (typ.)
High input voltage (up to 12V)
Output voltage:1.8V, 2.5V, 2.7V, 3.0V, 3.3V, 3.5V, 5.0V
Output voltage accuracy: tolerance +3%
Maximum output current: 250mA
Low dropout voltage
Low temperature coefficient
package：TO-92, SOT-89-3 SOT23-3
Application
Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for L AN cards
Wireless Communication equipment
Audio/Video equipment
LY76XX
LY76XX serieslow-dropoutlinear voltage regulators with a built-in voltage reference module, error correction module and phase compensation module. LY76XX series are based on the CMOS process and allow high voltage input with low quiescent current. This series can deliver 100mA output current and allow an input voltage as high as 40V.This series has the function of internal feedback resistor setting from 2.1Vto 12V. The output accuracy is t 2%.
Features
High output accuracy:土2%
Input voltage: up to 40 V
Output voltage: 2.1V ~ 12V
Utralow quiescent current (Typ.=3μA) Output Current: lour= 100mA
(When VIN = 5.5V and Vout =3.3V)Low temperature cofficient
Ceramic capacitor can be used
Package: SOT89-3. T092、SOT23-3
Typical Application
Electronic weighbridge
SCM
Phones, cordless phones
Security Products
Water meters, power meters
LY6118
封装： SOT223 TO252
