Description:Current−Mode Operation with Internal Ramp Compensation; Internal High−Voltage Start−Up Current Source for Loss Less Start−Up; Extremely Low No−Load Standby Power; Skip−Cycle Capability at Low Peak Currents; Direct Connection to PFC Controller for Improved No−Load Standby Power; Internal 2.5 ms Soft Start; Internal Leading Edge Blanking; Latched Primary Overcurrent and Overvoltage Protection; Short−Circuit Protection Independent of Auxiliary Level; Internal Frequency Jittering for Improved EMI Signature; +50
PULSE FREQUENCY MODULATION TECHNIQUE IS ALSO POSSIBLE
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18 V
Input Voltage-Min:
8.4 V
Input Voltage-Nom:
13 V
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e3
Length:
4.9 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
0.5 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP8,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 mm
Surface Mount:
YES
Switcher Configuration:
SINGLE
Switching Frequency-Max:
72 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
MATTE TIN
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3.9 mm
NCP1230D65R2G Frequently Asked Questions (FAQs)
A good PCB layout for the NCP1230D65R2G should include a solid ground plane, a small thermal pad, and a minimal number of thermal vias to reduce thermal resistance. The datasheet provides a recommended PCB layout, but it's essential to consult with a thermal expert or use thermal simulation tools to optimize the design.
To ensure proper biasing, follow the recommended operating conditions in the datasheet. Make sure to provide a stable input voltage, and use a suitable output capacitor to filter the output voltage. Additionally, ensure the device is operated within the recommended temperature range.
When designing a power supply using the NCP1230D65R2G, critical components to consider include the input capacitor, output capacitor, inductor, and diode. These components affect the converter's stability, efficiency, and output voltage ripple. Consult the datasheet and application notes for guidance on selecting these components.
To troubleshoot issues with the NCP1230D65R2G, start by verifying the PCB layout and component selection. Check for proper decoupling, correct component values, and ensure the device is operated within the recommended specifications. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the datasheet, application notes, and onsemi's technical support resources for guidance.
To ensure EMI and EMC compliance, consider the following: use a shielded inductor, minimize loop areas, and use a common-mode choke. Ensure proper grounding, decoupling, and filtering. Follow the datasheet and application notes for guidance on EMI and EMC considerations. Consult with an EMI expert or use EMI simulation tools to optimize the design.
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NCP1230D65R2G Overview
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