方案
按技术分类
Offline Regulators | NCP1011
概览
The NCP101X series integrates a fixed-frequency current-mode controller and a 700 V voltage MOSFET. Housed in a PDIP7 package, the NCP101X offers everything needed to build a rugged and low-cost power supply, including soft-start, frequency jittering, short-circuit protection, skip-cycle, a maximum peak current setpoint and a Dynamic Self-Supply (no need for an auxiliary winding).
Unlike other monolithic solutions, the NCP101X is quiet by nature: during nominal load operation, the part switches at one of the available frequencies (65-100-130 kHz). When the current setpoint falls below a given value, e.g. the output power demand diminishes, the IC automatically enters the so-called skip cycle mode and provides excellent efficiency at light loads. Because this occurs at typically 1/4 of the maximum peak value, no acoustic noise takes place. As a result, standby power is reduced to the minimum without acoustic noise generation.
应用
- Auxiliary Power Supplies
终端产品
- Low Power AC/DC Adapter for Chargers
特性
- Built-in 700V MOSFET with Typical RdsON of 11 or 22 Ohms
- Large Creepage Distance between High-Voltage Pins
- Current- Mode Fixed Frequency Operation: 65kHz - 100kHz - 130kHz
- Skip-Cycle Operation at Low Peak Currents Only: No Acoustic Noise!
- Dynamic Self-Supply, No Need of an Auxiliary Winding
- Internal 1ms Soft-Start
- Auto-Recovery Internal Output Short-Circuit Protection
- Latched Overvoltage Protection with Auxiliary Winding Operation
- Frequency Jittering for better EMI Signature
- Below 100 mW Standby Power if Auxiliary Winding is Used
- Internal Temperature Shutdown
- Direct Optocoupler Connection
- SPICE Models Available for Transient AC analysis
- Pb-Free Packages are Available
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可订购器件:
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产品
NCP1011AP065G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011AP100G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
100
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011AP130G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
130
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011APL065R2G
Consult Sales Office
Pb
A
H
P
PDIP-7
3
260
REEL
1000
N
Current Mode
65
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011APL130R2G
Consult Sales Office
Pb
A
H
P
PDIP-7
3
260
REEL
1000
N
Current Mode
130
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011ST100T3G
Last Shipments
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
N
Current Mode
100
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011ST130T3G
Obsolete
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
N
Current Mode
130
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
NCP1011ST65T3G
Obsolete
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
N
Current Mode
65
Yes
Yes
25
700
250
Yes
8.5
Yes
Yes
No
No
Yes
Price N/A
More Details
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