方案
设计
Offline Regulators | NCP10671
High-Voltage Switcher for low Power offline SMPS
概览
The NCP1067X products integrate a fixed frequency current mode controller with a700 V MOSFET. Available in a SOIC-7 package, the NCP1067X offer a high level ofintegration, including soft−start, frequency−jittering, short−circuit protection, skip−cycle, ramp compensation, and a Dynamic Self−Supply (eliminating the need for an auxiliary winding).During nominal load operation, the NCP1067X switches at one of the availablefrequencies (60 or 100 kHz). When the output power demand diminishes, the IC automatically enters into a skip mode to reduce the standby consumption down.Protection features include: a timer to detect an overload or a short−circuit event,Overvoltage Protection with auto−recovery.For improved standby performance, the connection of an auxiliary winding orsupplying the IC from the output, stops the DSS operation and helps to reduce input power consumption below 15 mW at high line.NCP1067x can be seamlessly used both in non-isolated and in isolated topologies.
应用
- Auxiliary Power Supply Isolated and Non-isolated
- White goods (Washing, Cold, Aircon ,...)
- LED Lighting systems
- Wide Vin Industrial low power SMPS
- Power Meter SMPS
终端产品
- Auxiliary Power Supply Isolated and Non-isolated
- White goods
- LED Lighting systems
- Wide Vin Industrial low power SMPS
- Power Meter SMPS
特性
- Built−in 700 V MOSFET with RDS(on) of 34 Ω
- Large Creepage Distance Between High−voltage Pins
- 250 mA Peak Current
- Direct Feedback connection for non-isolated converter
- Auto-Recovery Output Short Circuit Protection with Timer-Based Detection
- Frequency Jittering
- Current−Mode Fixed Frequency Operation – 60 or 100 kHz
- Skip-Cycle at low peak currents
- Dynamic Self−Supply
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NCP10671BD100R2G
Active
Pb
A
H
P
SOIC8 MISSING PIN 3
1
260
REEL
2500
Y
Current Mode
100
Yes
Yes
34
700
250
Yes
8
7
Yes
No
No
No
$0.3757
More Details
NCP10671BD060R2G
Active
Pb
A
H
P
SOIC8 MISSING PIN 3
1
260
REEL
2500
Y
Current Mode
60
Yes
Yes
34
700
250
Yes
8
7
Yes
No
No
No
$0.3945
More Details
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