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NCP1219AD65R2G The ON Semiconductor NCP1219AD65R2G is a switching controller designed for flyback topology. It operates at a 65kHz switching frequency with an 80% maximum duty cycle.
Mfr Part #:

NCP1219AD65R2G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1219AD65R2G is a switching controller designed for flyback topology. It operates at a 65kHz switching frequency with an 80% maximum duty cycle.
✓ Total Stock: 144,778 pcs
$ Price Range: $0.75

NCP1219AD65R2G Available from 3 distributors

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Flip Electronics ✓
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142,500 pcs
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142500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
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1,278 pcs
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1278 pcs On Request 1 On Request On Request 0951+ On Request On Request
Braun Electronic Components ✓
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1,000 pcs
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1000 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP1219AD65R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Halogen Free
Internal Switch(s)
Mounting Style
Mounting Type
Operating Temperature
Output Current
Output Isolation
Output Voltage
Supplier Device Package
Topology
Voltage
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NCP1219AD65R2G Description

Short technical summary and product information.

The ON Semiconductor NCP1219AD65R2G is a fixed-frequency, current-mode PWM controller with ramp compensation. It is designed for offline AC-DC adapters and battery chargers, offering features like adjustable skip level and integrated high-voltage startup FET for excellent standby power consumption.

 

Key electrical specifications include a switching frequency of 65 kHz and a maximum duty cycle of 80%. The device supports an output voltage range of -0.3 V to +20 V and an output current of 800 mA. It operates within a temperature range of -40°C to 150°C.

 

This controller is suitable for applications where ruggedness and component cost are key constraints. It features dynamic self-supply, eliminating the need for an auxiliary winding, and timer-based fault protection for improved overload detection. The NCP1219AD65R2G is available in a 7-SOIC surface-mount package.

 

Typical applications include AC-DC adapters for notebooks and LCD monitors, offline battery chargers, and consumer electronic appliances such as set-top boxes and DVD players.

NCP1219AD65R2G Quick Information

Product Type: Switching Controller
Series: NCP1219
Canonical Name: NCP1219 PWM Controller with Adjustable Skip Level and External Latch Input
Subcategory: PMIC - Power Management ICs

NCP1219AD65R2G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP1219AD65R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP1219AD65R2G Features

  • Fixed-frequency current-mode PWM controller.
  • 65 kHz switching frequency operation.
  • 80% maximum duty cycle.
  • Operates from -40°C to 150°C.
  • Available in a 7-SOIC package.

NCP1219AD65R2G Applications

  • Used in AC-DC adapters.
  • Suitable for offline battery chargers.
  • Applied in consumer electronics.
  • Supports flyback topology.

NCP1219AD65R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the switching frequency of NCP1219AD65R2G?

The nominal switching frequency is 65 kHz, with a manufacturer-specified value of 68.25 kHz.

What is the output voltage range?

The output voltage range is -0.3V to +20V.

What is the output current rating?

The output current rating is 800 mA.

What is the operating temperature range?

The operating junction temperature range is -40°C to +150°C.

What is the package type?

The package is 7-SOIC (8-SOIC with 7 leads), surface mount.

What is the topology?

The topology is flyback.

What fault protections are included?

Over load, over temperature, and over voltage protection.

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