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NCP1070STBT3G The ON Semiconductor NCP1070STBT3G is a high-voltage switcher designed for low power offline Switched-Mode Power Supplies (SMPS). It features a 14W power rating and operates at 100kHz.
Mfr Part #:

NCP1070STBT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1070STBT3G is a high-voltage switcher designed for low power offline Switched-Mode Power Supplies (SMPS). It features a 14W power rating and operates at 100kHz.
✓ Total Stock: 16,000 pcs
$ Price Range: $0.75

NCP1070STBT3G Available from 1 distributor

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✓ Non-Authorised
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16,000 pcs
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NCP1070STBT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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NCP1070STBT3G Description

Short technical summary and product information.

The NCP1070STBT3G from ON Semiconductor is an integrated high-voltage switcher IC designed for low power offline Switched-Mode Power Supplies (SMPS). This device integrates a current-mode controller with a 700V MOSFET, offering a high level of integration for efficient power conversion.

 

Key electrical specifications include a nominal power output of 14W, an operating frequency of 100kHz, and a duty cycle of 68%. The device supports a voltage range of 6.3V to 10V and includes internal soft-start, frequency jittering, and skip-cycle operation for improved EMI performance and light-load efficiency. Protection features include auto-recovery for over-voltage, over-load, and short-circuit events, along with internal temperature shutdown.

 

The NCP1070STBT3G is housed in a surface-mount SOT-223 (TO-261) package, suitable for applications requiring compact designs. It operates within a temperature range of -40°C to 125°C (TJ). This component is designed for applications such as auxiliary or standby isolated power supplies in white goods and smart meters.

 

This device offers a Dynamic Self-Supply feature, eliminating the need for an auxiliary winding. Its current-mode fixed frequency operation and skip-cycle mode at low peak currents contribute to quiet operation without acoustic noise.

NCP1070STBT3G Quick Information

Product Type: Offline Switch
Canonical Name: NCP1070STBT3G High-Voltage Switcher for Low Power Offline SMPS
Subcategory: Offline Switch

NCP1070STBT3G Compliance

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

NCP1070STBT3G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1070STBT3G Features

  • High-voltage switcher with integrated 700V MOSFET.
  • 14W power capability at 100kHz frequency.
  • Wide operating temperature range: -40°C to 125°C.
  • SOT-223 surface-mount package.
  • Includes over-voltage and short-circuit protection.

NCP1070STBT3G Applications

  • Low power offline SMPS designs.
  • Auxiliary power supplies.
  • Standby power supplies.
  • White goods applications.
  • Smart meter power systems.

NCP1070STBT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the NCP1070STBT3G?

The operating voltage range is 6.3 V to 10 V.

What is the operating temperature range of the NCP1070STBT3G?

The operating temperature range is -40°C to 125°C (TJ).

What package type is the NCP1070STBT3G available in?

The NCP1070STBT3G is available in a SOT-223 (TO-261) surface mount package.

Is the NCP1070STBT3G RoHS compliant?

Yes, the NCP1070STBT3G is RoHS3 Compliant.

What fault protection features are included in the NCP1070STBT3G?

The NCP1070STBT3G includes Over Load, Over Temperature, Over Voltage, and Short Circuit protection.

What is the power rating of the NCP1070STBT3G?

The NCP1070STBT3G has a power rating of 14 W.

What is the operating frequency of the NCP1070STBT3G?

The operating frequency of the NCP1070STBT3G is 100 kHz.

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