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参数资料
| 型号： | NCP6334BMTBBTBG |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 2A 8-WDFN |
| 标准包装： | 3,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.3 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-WDFN（2x2） |
NCP6334B, NCP6334C
Vo = 0.6V to Vin
Cout
10uF
R1
1uH
Cfb
NCP6334B
PGND PVIN
SW AVIN
AGND PG
FB EN
Cin
10uF
Vin = 2.3V to 5.5V
Rpg
1M
Power Good
Enable
Vo = 0.6V to Vin
Cout
10uF
R1
1uH
Cfb
NCP6334C
PGND PVIN
SW AVIN
AGND MODE
FB EN
Cin
10uF
Vin = 2.3V to 5.5V
Mode
Enable
R2
(a) Power Good Output Option
(NCP6334B)
R2
(b) External Mode Selection
(NCP6334C)
Figure 1. Typical Application Circuits
PIN DESCRIPTION
Pin
1
2
3
4
5
6
7
8
9
Name
PGND
SW
AGND
FB
EN
PG/MODE
AVIN
PVIN
PAD
Type
Power
Ground
Power
Output
Analog
Ground
Analog
Input
Digital
Input
Digital
Output
Analog
Input
Power
Input
Exposed
Pad
Description
Power Ground for power, analog blocks. Must be connected to the system ground.
Switch Power pin connects power transistors to one end of the inductor.
Analog Ground analog and digital blocks. Must be connected to the system ground.
Feedback Voltage from the buck converter output. This is the input to the error amplifier. This pin
is connected to the resistor divider network between the output and AGND.
Enable of the IC. High level at this pin enables the device. Low level at this pin disables the
device.
PG pin is for NCP6334B with Power Good option. It is open drain output. Low level at this pin
indicates the device is not in power good, while high impedance at this pin indicates the device is
in power good.
MODE pin is for NCP6334C with mode external selection option. High level at this pin forces the
device to operate in forced PWM mode. Low level at this pin enables the device to operate in
automatic PFM/PWM mode for power saving function.
Analog Supply. This pin is the analog and the digital supply of the device. An optional 1 m F or lar-
ger ceramic capacitor bypasses this input to the ground. This capacitor should be placed as close
as possible to this input.
Power Supply Input. This pin is the power supply of the device. A 10 m F or larger ceramic capacit-
or must bypass this input to the ground. This capacitor should be placed as close a possible to
this input.
Exposed Pad. Must be soldered to system ground to achieve power dissipation performances.
This pin is internally unconnected
ORDERING INFORMATION
Device
NCP6334BMTAATBG
NCP6334CMTAATBG
Marking
AA
AC
Package
WDFN8
(Pb ? Free)
WDFN8
(Pb ? Free)
Shipping ?
3000 / Tape & Reel
3000 / Tape & Reel
?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.
http://onsemi.com
2
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| NCP6334B-V3 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:3MHz, 2A Synchronous Buck Converter |
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| NCP6334CMTAATBG | 功能描述:直流/直流开关转换器 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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