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MAXIM INTEGRATED / ANALOG DEVICES MAX843ISA GaAsFET Bias Supply
The MAX843ISA+ is a low-noise, inverting charge pump power supply in an 8-pin NSOIC package, designed for biasing GaAsFET devices in cellular handsets. It uses an external control voltage to set the negative output, operates between 2.5V and 10V, and delivers up to 4mA when VIN exceeds 2.7V. The device can use small capacitors as low as 0.22µF, with a typical output ripple of 1mVp-p. It features a switching frequency of approximately 100kHz in normal operation, with low supply current of 750µA, dropping below 1µA in shutdown. Applications include cellular phones, GaAsFET power amplifiers, PDAs, wireless loggers, LCD bias, and negative power supplies. It operates within a temperature range of -25°C to +85°C, providing reliable, low-noise performance for RF biasing and power management.
MAXIM INTEGRATED / ANALOG DEVICES MAX843ISA GaAsFET Bias Supply Specifications:
- Supply Voltage Range: 2.5V to 10V
- Maximum Output Current: 4mA at VIN > 2.7V
- Output Ripple: 1mVp-p typical
- Switching Frequency: approximately 100kHz
- Operating Temperature Range: -25°C to +85°C
- Capacitors: minimum 0.22µF, low ESR required
- Supply Current: 750µA, less than 1µA in shutdown
- Package: 8-pin NSOIC
- Output Voltage Adjustment: via external resistor divider or control voltage
- Application areas: cellular phones, RF power amplifiers, PDAs, wireless loggers, LCD bias, negative power supplies.
Buy the Maxim Series MAX843 Low-Noise Charge Pump Negative Power Supply: MAX843ISA
Get your Maxim Series MAX843ISA inverter charge pump online today and enjoy high-performance, low-noise negative voltage regulation. Designed for biasing GaAsFET devices in cellular modules and RF systems, this compact 8-pin device offers a 2.5V to 10V input range and delivers up to 4mA output current. Its minimal output ripple of 1mVp-p ensures precision operation, while its low supply current and small capacitor requirements optimize size and power efficiency. Perfect for cellular phones, PDAs, wireless data loggers, LCD bias, and negative power supplies, order now and enhance your RF+biasing solutions with trusted quality and fast delivery.
Order your Maxim Series MAX843ISA inverting charge pump today and ensure reliable, low-noise biasing for GaAsFET power amplifiers and RF applications.
Frequently Asked Questions
Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX843ISA?
You can click on the BUY or RFQ button to purchase MAX843ISA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.
How do I troubleshoot issues or seek technical support for part MAX843ISA?
You can download the MAX843ISA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
Who is the manufacturer of MAX843ISA?
MAXIM INTEGRATED / ANALOG DEVICES