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PWM Of Fine Quality Available With Same-Day Delivery

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UC3842BNG, ON Semiconductor

IC REG CTRLR BST FLYBK ISO 8-DIP

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ISL95870BIRZ, Renesas Electronics

The Renesas Electronics single phase synchronous buck PWM regulator is low-cost solutions for applications requiring dynamically selected slew-rate controlled output voltages. The soft-start and dynamic set point slew-rates are capacitor programmed. Output remote sense Automatic diode emulation mode for highest efficiency Power good monitor for soft start and fault detection

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NCP1236BD100R2G, onsemi

AC-DC Off-Line Controllers, NCP/NCV Series, ON Semiconductor Power supply secondary side, synchronous rectification controllers. Fixed frequency flyback and forward PWM controllers.

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SG3525ANG, onsemi

DC-DC Controllers, ON Semiconductor Current mode and voltage mode DC-DC controllers for power conversion circuits.

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FAN65004B, onsemi

FAN65004B is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 6 A. FAN65004B includes a 0.67% accurate reference voltage to achieve tight regulation. The switching frequency can be programmed from 100 kHz to 1 Mhz. Supports wide range of applications Allows for optimization between size, efficiency, and maximum duty cycle Maintain voltage accuracy Best Efficiency at heavy loads and also at light loads Fully protected against voltage, current and temperature faults Improves efficiency by reducing power loss

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MIC2133YML-TR, Microchip

The Microchip constant on-time, dual phase, synchronous buck controller featuring a unique adaptive on-time control architecture with HyperLight Load® and phase shedding features enabled. It operates over an input supply range from 4.5V to 36V and can be used to supply up to 50A of output current. The output voltage is adjustable down to 0.6V with an ensured accuracy of ±1%. 0.6V internal reference with ±1% accuracy Novel ripple injection method to allow greater than 50% duty cycle operation Secondary LDO to improve system efficiency Droop feature to support adaptive voltage positioning (AVP) for improved load transient response Product Features Input Voltage Range: 4.5V to 75V Input Down to 2V when VDD = 5V from External Supply Adjustable Output Voltage from 0.6V to 28V 0.6V Internal Reference with ±1% Accuracy ±0.5% Reference Accuracy for -40°C to 105°C HyperLight Load® and Automatic Phase Shedding 100 kHz to 1 MHz Switching Frequency per Phase High-Voltage Internal 5V LDO for Single-Supply Operation Droop Feature to Support Adaptive Voltage Positioning (AVP) Programmable Current Limit and Hiccup Mode Short-Circuit Protection Thermal Shutdown with Hysteresis -40°C to +125°C Junction Temperature Range Programmable Current Limit and Hiccup Mode Short-Circuit Protection Remote Sense Amplifier for Tight Output Regulation Supports Start-up to Pre-Bias Output External Programmable Soft Start to Reduce Inrush Current Accurate Current Balancing Between Phases Compact Size 5 mm x 5 mm 32-Pin VQFN Package

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KA3525A, onsemi

PWM (Pulse Width Modulation) Controllers, Fairchild Semiconductor

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MAX1640EEE+, Maxim Integrated

IC SW-MODE CUR SOURCE ADJ 16QSOP

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ISL6227CAZ, Renesas Electronics

The Renesas Electronics dual PWM controller with DDR option delivers high efficiency precision voltage regulation from two synchronous buck DC/DC converters. It was designed especially to provide power regulation for DDR memory, chipsets, graphics and other system electronics in notebook PCs. Under voltage lock out on VCC pin Power good, overcurrent, overvoltage, under voltage protection for both channels Pb-Free Available (RoHS compliant)

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BM2P241W-Z, ROHM

The ROHM PWM type DC or DC converter for AC or DC provides an optimum system for all products that include an electrical outlet. It enables simpler design of a high effective converter specializing in non-isolation. By a built-in startup circuit that tolerates 650 V, this IC contributes to low power consumption. A current detection resistor as internal device realizes the small power supply designs. Since a current mode control is utilized, the current can be restricted in each cycle and an excellent performance is demonstrated in the bandwidth and transient response. The switching frequency is fixed to 65 kHz. A frequency hopping function is also on chip, and it contributes to low EMI. In addition, a built-in Super Junction MOSFET which tolerates 650 V makes the design easy. PWM Current Mode Method Frequency Hopping Function Burst Operation at Light Load Built-in 650 V Startup Circuit Built-in 650 V Super Junction MOSFET VCC UVLO (Under Voltage Lockout) VCC OVP (Over Voltage Protection) Over Current Detection Function per Cycle Soft Start Function

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AP3108LSS9-13, DiodesZetex

The DiodesZetex makes a current mode PWM controller specially designed for offline power supply that requires ultra-low standby power, high-power density and comprehensive protection. The AP3108LS coordinating with Diodes Incorporateds secondary side controller, such as the AP4320, can be applied in the situation that requires for constant CC and constant CV. The AP3108LS integrates a VCC LDO circuitry, allowing the LDO to regulate the wide range VCC_IN, which is rectified from auxiliary winding to an acceptable value. This makes the AP3108LS a good choice in wide range output voltage application. There are also versatile system protections provided by AP3108LS, such as secondary side OVP, secondary side UVP, constant output current limit, cycle-by-cycle current limit, brown-out protection, programmable external OTP, etc. Current mode control, high-voltage start-up Embedded VCC LDO to guarantee wide range output voltage Constant, low output current in output short situation Low VCC charge current reduces standby power in output short situation Internal Slope Compensation and soft start during start-up process

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