High Voltage Switching Regulator for Offline SMPS

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Overview

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.

  • Auxiliary Power Supplies
  • Low Power AC/DC Adapter for Chargers
  • 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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6

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Control Mode

fsw Typ (kHz)

fJitter Typ (%)

Stand-by Mode

RDS(ON) Typ (Ω)

V(BR)DSS Max (V)

IPeak (mA)

HV Start-up Min (V)

DSS (mA)

UVLO

Short Circuit Protection

Over Power Compensation

Brown-out

Latch

Reference Price

NCP1014AP065G

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Last Shipments

CAD Model

Pb

A

H

P

PDIP-7

NA

0

TUBE

50

N

Current Mode

65

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1014AP100G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-7

NA

0

TUBE

50

N

Current Mode

100

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1014APL065R2G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-7

3

260

REEL

1000

N

Current Mode

65

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1014APL100R2G

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Consult Sales Office

CAD Model

Pb

A

H

P

PDIP-7

3

260

REEL

1000

N

Current Mode

100

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1014ST100T3G

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Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

1

260

REEL

4000

N

Current Mode

100

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1014ST65T3G

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Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

1

260

REEL

4000

N

Current Mode

65

Yes

Yes

11

700

450

Yes

8

Yes

Yes

No

No

Yes

Price N/A

More Details

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