丝印：421；Package：U-DFN2020-6；LINEAR LED CONSTANT CURRENT REGULATOR IN U-DFN2020-6

Features LED Constant Current Regulator Using NPN Emitter-Follower with Emitter Resistor to Current Limit IOUT – 10mA ±10 Constant Current (Preset) IOUT up to 350mA Adjustable with an External Resistor (BCR421U) VOUT – 40V Supply Voltage PD up to 1.7W in U-DFN2020-6 Package 0.6mm Height fo

文件：746.25 Kbytes 页数：13 Pages

DIODES

美台半导体

丝印：421；Package：HVQFN24；Power management IC for low-power microcontroller applications

1 General description The PCA9421 is a highly integrated Power Management IC (PMIC), targeted to provide a full power management solution for low-power microcontroller applications or other similar applications. The device also integrates two step-down (buck) DC-DC converters which have I2C pro

文件：856.55 Kbytes 页数：66 Pages

恩XP

丝印：421；Package：VQFN-HR；TPS543x21 3.8V to 18V, 5A, 4A, 3A, Synchronous Buck Converters With User Selectable Mode

1 Features • Configured for a wide range of applications – 3.8V to 18V input voltage range – Up to 5A (TPS543521), 4A (TPS543421), 3A (TPS543321) continuous output current – 0.6V ±1% reference voltage (–40°C to 150°C) – 70ns and 114ns minimum switching on and off-time – 8us maximum swi

文件：2.15943 Mbytes 页数：44 Pages

TI

德州仪器

丝印：4212D；Package：TO-92-F1；HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

APPLICATIONS  Energy-saving light  Electronic ballasts  High frequency switching power supply  High frequency power transform  Commonly power amplifier circuit FEATURES  High breakdown voltage  High current capability  High switching speed  High reliability  RoHS product

文件：345.57 Kbytes 页数：6 Pages

JSMCJILIN SINO-MICROELECTRONICS CO., LTD.

华微电子吉林华微电子股份有限公司

丝印：4212D；Package：TO-92；HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

APPLICATIONS  Energy-saving light  Electronic ballasts  High frequency switching power supply  High frequency power transform  Commonly power amplifier circuit FEATURES  High breakdown voltage  High current capability  High switching speed  High reliability  RoHS product

文件：345.57 Kbytes 页数：6 Pages

JSMCJILIN SINO-MICROELECTRONICS CO., LTD.

华微电子吉林华微电子股份有限公司

丝印：4213SM；Package：TO-100(LME)；MULTIPLIER-DIVIDER

FEATURES Low cosT DIFFERENTIALINPUT ACCURACY 100% TESTED AND GUARANTEED LOW NOISE 120, rms, 10Hz to 10khz SELF-CONTAINED No addtional amplifiers SMALL SIZE Hermetic T0-100 package WIDE TEMPERATURE OPERATION. APPLICATIONS MULTIPLICATION DIVISION SQUARING SQUARE ROOT LINEA

文件：1.58679 Mbytes 页数：10 Pages

TI

德州仪器

丝印：4213SM；Package：TO-100(LME)；MULTIPLIER-DIVIDER

FEATURES Low cosT DIFFERENTIALINPUT ACCURACY 100% TESTED AND GUARANTEED LOW NOISE 120, rms, 10Hz to 10khz SELF-CONTAINED No addtional amplifiers SMALL SIZE Hermetic T0-100 package WIDE TEMPERATURE OPERATION. APPLICATIONS MULTIPLICATION DIVISION SQUARING SQUARE ROOT LINEA

文件：1.58679 Mbytes 页数：10 Pages

TI

德州仪器

丝印：421A100；Package：VQFN(RGE)；Fully-Integrated, Fixed-Frequency, Low-Jitter Crystal Oscillator Clock Generator

1FEATURES 2· Single 3.3-V Supply · High-Performance Clock Generator, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer · Low Output Jitter: As low as 380 fs (RMS integrated between 10 kHz to 20 MHz) · Low Phase Noise at 312.5 MHz: – Less than –120 dBc/Hz at 1

文件：1.47704 Mbytes 页数：17 Pages

TI

德州仪器

丝印：421A100；Package：VQFN(RGE)；Fully-Integrated, Fixed-Frequency, Low-Jitter Crystal Oscillator Clock Generator

1FEATURES 2· Single 3.3-V Supply · High-Performance Clock Generator, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer · Low Output Jitter: As low as 380 fs (RMS integrated between 10 kHz to 20 MHz) · Low Phase Noise at 312.5 MHz: – Less than –120 dBc/Hz at 1

文件：1.47704 Mbytes 页数：17 Pages

TI

德州仪器

丝印：421A100；Package：VQFN(RGE)；Fully-Integrated, Fixed-Frequency, Low-Jitter Crystal Oscillator Clock Generator

1FEATURES 2· Single 3.3-V Supply · High-Performance Clock Generator, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer · Low Output Jitter: As low as 380 fs (RMS integrated between 10 kHz to 20 MHz) · Low Phase Noise at 312.5 MHz: – Less than –120 dBc/Hz at 1

文件：1.47704 Mbytes 页数：17 Pages

TI

德州仪器