方案
By Technology
Offline Regulators | NCP1075A
概览
产品 NCP1075A 和 NCP1075B 集成了固定频率电流模式控制器和 700 V MOSFET。采用很常见的 PDIP 7 封装，带两个不同的引脚输出，提供了高度水平集成，包括软启动、频率抖动、短路保护、跳过周期、最大峰值电流设定点、斜坡补偿以及动态自供电（DSS，无需辅助绕组）。与其他单片方案不同，NCP1075A 和 NCP1075B 具有无噪音特性：在正常负载运行期间，在某个可用频率进行切换时（65 或 100 kHz）。当输出功率需求消失时，该集成电路将自动进入频率折回模式，在轻负载下提供出色能效。当功率需求进一步降低时，它进入跳过模式，将待机功耗降低到无负载条件。保护功能包括：检测过载或短路事件的计时器、带自动恢复的过电压保护。交流输入线路电压检测可防止低输入电压条件（欠压）以及过高输入线路（交流线路过电压保护）下的严重失控。这也可以使得过功率保护能够补偿高输入电压条件下的所有内部延迟，优化最大输出电流能力。为了提高待机性能，连接辅助绕组会停止 DSS 运行，有助于将高电平线路的输入功耗降至 50 mW 以下。
- Auxiliary & Standby Power Supply
- Major Home Appliances power supplies
- Low to medium Power Chargers & Adapters
- White Goods & Home Appliances
- E-Meters
- Industrial auxiliary Power Supply
- Consumer Equipment Power Supply
- Integrated 700 V MOSFET with RDS(on) of 13.5 Ω
- Current-Mode Fixed Frequency Operation (65 & 100 kHz) - 130 kHz for B version only
- Peak Current: NCP1075A/B = 400 mA
- Skip-Cycle Operation at Low Peak Current
- Dynamic Self-Supply (DSS)
- Auto-Recovery Output Short Circuit Protection with Timer-Based Detection
- Frequency Foldback Operation
- 300 µA No Load Power Consumption
- Frequency Jittering (including during frequency foldback mode)
- Adjustable Brown-out Protection and OVP
- Over Power Protection
- 2nd Level Current Protection
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产品
NCP1075AAP065G
Active
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
Y
Current Mode
65
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
$0.6679
More Details
NCP1075AAP100G
Active
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
Y
Current Mode
100
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
$0.6679
More Details
NCP1075ABP065G
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075ABP100G
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
100
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075BAP065G
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075BAP100G
Active
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
Y
Current Mode
100
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
$0.6679
More Details
NCP1075BAP130G
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
N
Current Mode
130
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075BBP065G
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075BBP100G
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
N
Current Mode
100
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
NCP1075BBP130G
Pb
A
H
P
PDIP8 Less Pin 3
NA
0
TUBE
50
N
Current Mode
130
Yes
Yes
13.5
700
400
Yes
9.2
6.5
Yes
Yes
Yes
No
Price N/A
More Details
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