STMicroelectronics STCMB1, PWM Controller, 20 V, 75 kHz 20-Pin, SO

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56,36 kr

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70,44 kr

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RS-artikelnummer:
175-1753
Tillv. art.nr:
STCMB1
Tillverkare / varumärke:
STMicroelectronics
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Brand

STMicroelectronics

Maximum Switching Frequency

75 kHz

Start-up Supply Current

100µA

Maximum Source Current

5mA

Maximum Sink Current

100mA

Maximum Supply Current

6 mA

Number of Outputs

1

Mounting Type

Surface Mount

Package Type

SO

Pin Count

20

Dimensions

13 x 7.6 x 2.35mm

Maximum Operating Temperature

+150 °C

Maximum Operating Supply Voltage

20 V

Minimum Operating Temperature

-40 °C

Minimum Operating Supply Voltage

10 V

COO (Country of Origin):
PH
The STCMB1 device embodies a transition mode (TM) PFC, a high voltage double-ended controller for LLC resonant half-bridge, an 800 V-rated high voltage section and the glue logic that supervises the operation of these three blocks. The PFC section uses a proprietary constant on-time control methodology that does not require a sinusoidal input reference, thereby reducing the system cost and external component count.

800 V high voltage start-up with integrated

Active input filter capacitor discharge circuitry for reduced standby power

Independent debug mode for both converters

Enhanced constant on-time PFC with input voltage feedforward, THD optimizer

Complete set of protections: ac brown-in/out, inrush control, OVP, OCP, inductor saturation, feedback disconnection

Half-bridge operation up to 750 kHz with self-adjusting deadtime

(HSP) function for anti-capacitive mode

Synchronous burst mode operation

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