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| 型号： | NCP1546MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 1.5A 18DFN |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出数： | 1 |
| 输入电压： | 4.5 V ~ 40 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 170kHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 18-VFDFN 裸露焊盘 |
| 包装： | 剪切带 (CT) |
| 供应商设备封装： | 18-DFN（5x6） |
| 其它名称： | NCP1546MNR2GOSCT |
NCP1546
1.5 A, 170 kHz, Buck
Regulator with
Synchronization Capability
The NCP1546 is a 1.5 A buck regulator IC operating at a
fixed ? frequency of 170 kHz. The device uses the V 2 t control
architecture to provide unmatched transient response, the best overall
regulation and the simplest loop compensation for today’s high ? speed
logic. The NCP1546 accommodates input voltages from 4.0 V to 40 V
and contains synchronization circuitry.
http://onsemi.com
MARKING
DIAGRAM
The on ? chip NPN transistor is capable of providing a minimum of
1.5 A of output current, and is biased by an external “boost” capacitor
1
18
to ensure saturation, thus minimizing on ? chip power dissipation.
Protection circuitry includes thermal shutdown, cycle ? by ? cycle
current limiting and frequency foldback.
1
18
NCP1546
AWLYYWW G
G
Features
? V 2 Architecture Provides Ultra ? Fast Transient Response, Improved
Regulation and Simplified Design
? Wide Operating Range: 4 V to 40 V
? 2.0% Error Amp Reference Voltage Tolerance
? Switch Frequency Decrease of 4:1 in Short Circuit Conditions
Reduces Short Circuit Power Dissipation
? BOOST Lead Allows “Bootstrapped” Operation to Maximize
Efficiency
? Sync Function for Parallel Supply Operation or Noise Minimization
? Shutdown Lead Provides Power ? Down Option
? 1.0 m A Quiescent Current During Power ? Down
? Thermal Shutdown
? Soft ? Start
? These are Pb ? Free Devices
8
18 ? LEAD DFN
MN SUFFIX
CASE 505
8
SOIC ? 8 P1546
D SUFFIX ALYWE
1 CASE 751 G
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
E = Automotive Grade
G = Pb ? Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
NCP1546DG
NCP1546DR2G
NCP1546MNR2G
Package
SOIC ? 8
(Pb ? Free)
SOIC ? 8
(Pb ? Free)
DFN18
Shipping ?
98 Units / Rail
2500 / Tape & Reel
2500 / Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2011
July, 2011 ? Rev. 5
1
Publication Order Number:
NCP1546/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1547DG | 功能描述:直流/直流开关调节器 340 KHZ REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| NCP1547DR2G | 功能描述:直流/直流开关调节器 340 KHZ REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| NCP1547MNR2G | 功能描述:直流/直流开关调节器 340 KHZ RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| NCP1550SN18T1 | 功能描述:直流/直流开关转换器 1.8V 2A Buck PWM/PFM RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| NCP1550SN18T1G | 功能描述:直流/直流开关转换器 1.8V 2A Buck PWM/PFM w/Enable Soft Start RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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