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NCP1236BD100R2G The ON Semiconductor NCP1236BD100R2G is a fixed-frequency, current-mode controller designed for flyback converters. It operates at 100kHz with a maximum duty cycle of 80%.
Mfr Part #:

NCP1236BD100R2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1236BD100R2G is a fixed-frequency, current-mode controller designed for flyback converters. It operates at 100kHz with a maximum duty cycle of 80%.
✓ Total Stock: 5,398 pcs
$ Price Range: $0.75

NCP1236BD100R2G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
5,040 pcs
On Request
5040 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
358 pcs
On Request
358 pcs On Request 1 On Request On Request 1551+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP1236BD100R2G 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
Supplier Device Package
Supplier Package
Topology
Voltage
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NCP1236BD100R2G Description

Short technical summary and product information.

The NCP1236BD100R2G from ON Semiconductor is a fixed-frequency, current-mode controller specifically designed for flyback converter applications. This device operates at an oscillator frequency of 100kHz and features a maximum duty cycle of 80%. It supports an input voltage range of 9.5V to 28V and includes fault protection for overload, over power, over temperature, and over voltage conditions.

 

The controller is housed in a 7-SOIC package and is designed for surface mount applications. It integrates features like frequency foldback for improved light load efficiency and Dynamic Self-Supply (DSS) to simplify auxiliary supply design. The NCP1236BD100R2G is suitable for various offline power supply designs, including AC-DC adapters for notebooks, LCDs, and printers, as well as offline battery chargers and consumer electronic power supplies.

 

Key electrical characteristics include an operating supply current of 30 mA, with rise and fall times of 40 ns. The operating temperature range is -40°C to 150°C (TJ). The device is RoHS3 compliant and has an MSL rating of 1.

NCP1236BD100R2G Quick Information

Product Type: Switching Controller
Series: NCP1236
Canonical Name: NCP1236BD100R2G Fixed Frequency Current Mode Controller for Flyback Converters
Subcategory: PMIC - Power Management ICs

NCP1236BD100R2G Compliance

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

NCP1236BD100R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1236BD100R2G Features

  • Fixed frequency current mode controller.
  • 100kHz oscillator frequency.
  • 80% maximum duty cycle.
  • 9.5V to 28V input voltage range.
  • Surface mount 7-SOIC package.

NCP1236BD100R2G Applications

  • Ideal for flyback converters.
  • Used in AC-DC adapters.
  • Suitable for offline battery chargers.
  • Powers consumer electronics.

NCP1236BD100R2G FAQs

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

9.5 V to 28 V.

What package is the NCP1236BD100R2G available in?

Surface-mount SOIC-7 (7-lead SOIC).

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What is the oscillator frequency?

100 kHz.

What is the maximum duty cycle?

80%.

Does the controller have an internal power switch?

No, an external switch is required.

What fault protections are included?

Over load, over power, over temperature, and over voltage.

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