SX3478为一颗脉冲宽度调变输出（PWM）直流转换器，可以高转换效率的驱动5A负载，
输入电压范围可由低3.6V到高32V，输出电压0.8V--30V可调整且输出电流可高达5A。
SX3478采用标准的TO-263-5L无铅封装，应用电路非常简单，外围器件极少。
可以兼容进口品牌IC型号有：LM2678，MAX724，MAX726，LT3478，AP1864等。
特性
◆ 输入电压范围：3.6V to 32V
◆ 输出电压范围：0.8V to 32V
◆ 开关频率: 300KHz
◆ 限流功能
◆ 输出短路保护功能
◆ 封装: TO-263-5
应用
◆ LCD监控器及LCD电视
◆ 数字无绳电话
◆ 工业控制供电
◆ 医疗电子
◆ ADSL Modem
◆ 网络通讯设备
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
