方案
按技术分类
设计
Power Factor Controllers | NCP1937
概览
此组合集成电路将为适配器应用实施一个紧凑、高能效的开关模式电源所需的功率因数校正 (PFC) 和准谐振反激功能进行集成。该 PFC 级以最大频率箝位在临界导通模式 (CrM) 下运行时表现为接近一致的功率因数。 该电路结合了构建一个坚固紧凑的 PFC 级所需的所有必要功能，同时最大程度减少了外部组件的数量。该准谐振电流模式反激级具有一个专属的谷锁闭电路，可确保稳定的谷切换。 该系统可在低至第 4 谷运行，对于超过第 4 谷的最小频率箝位则切换到频率折回模式，消除了噪声。跳过模式运行可在轻型负载条件下实现卓越能效，同时具有极低的待机功耗。
应用
- Adapters
- Combo PFC+QR
终端产品
- All-In-One (AIO) Computers
- High Power Notebook Adapters
特性
- <10mW No Load Standby Performance
- High Voltage Startup Circuit and Active Input Filter Capacitor Discharge Circuitry
- High Voltage Line Voltage Detector
- Integrated High Voltage Switch Disconnects PFC Feedback Resistor Divider
- Fault Input for Severe Fault Conditions
- Bi-Level Line-Dependent Output Voltage
- Boost Diode Short-Circuit Protection
- Adjustable PFC Disable Threshold Based on Output Power
- Frequency Foldback with Minimum Frequency Clamp
- Minimum Frequency Clamp
- Valley Switching Operation with Valley-Lockout
- PFC
- QR Flyback Controller
产品列表
如需购买产品或样品，请先登录您的安森美账号。
搜寻
Close Search
产品:
9
分享
排序方式
产品系列:
┗
可订购器件:
9
产品
NCP1937A1DR2G
Obsolete
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
N
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
Price N/A
More Details
NCP1937A2DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
$0.8637
More Details
NCP1937A3DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
$0.8398
More Details
NCP1937B1DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
$0.8637
More Details
NCP1937B2DR2G
Obsolete
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
N
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
Price N/A
More Details
NCP1937B3DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
$0.8398
More Details
NCP1937C1DR2G
Obsolete
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
N
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
Price N/A
More Details
NCP1937C4DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
$0.8637
More Details
NCP1937C61DR2G
Active
Pb
A
H
P
SOIC-20 NB
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
$0.8637
More Details
Show More
1-25 of 25
Products per page
Jump to :
1
向销售发送邮件
Hello, your current browser settings are preventing us from processing your submission. You can adjust your browser settings and reload the page or you can submit an email directly to inside.sales@onsemi.com
You might also try the following:
- Clear your browser cookies
- Try to open this page in anonymous browser window
- Try a different browser
- Make sure you have reliable internet connection
Thank you for submitting the contact sales form. Your request is on its way to our sales support team!
We thank you for your interest in onsemi and are working on your request. Our sales support team will respond to your request within two business days.