MAX844ESA+ Maxim Integrated Products, MAX844ESA+ Datasheet
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MAX844ESA+
Specifications of MAX844ESA+
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MAX844ESA+ Summary of contents
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... C1- NEGOUT 0. ON/OFF SHDN GND ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 ____________________________Features Fixed -2V or Adjustable -0.5V to -9.4V Output at 4mA (MAX840) 2.5V to 10V Input Voltage Range Operate with Small Capacitors (as low as 0.22µF) 1mVp-p Output Voltage Ripple Charge-Pump Switching Frequency: > ...
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Low-Noise, Regulated, -2V GaAsFET Bias ABSOLUTE MAXIMUM RATINGS Supply Voltage GND ..................................-0.3V to 10. GND ...................................................-10.5V to 0.3V NEGOUT .........................................................-0.3V to 21V IN NEGOUT V to GND (Note 1).......................................V OUT V to ...
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Low-Noise, Regulated, -2V GaAsFET Bias __________________________________________Typical Operating Characteristics (Circuit of Figure 2a 3.6V +25°C, unless otherwise noted OUTPUT VOLTAGE vs. OUTPUT CURRENT -2.070 -2.060 -2.050 -2.040 OUTPUT ...
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Low-Noise, Regulated, -2V GaAsFET Bias ____________________________Typical Operating Characteristics (continued) (Circuit of Figure 2a 3.6V +25°C, unless otherwise noted OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE 150 140 T = +25°C, +85°C 130 A 120 T = ...
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Low-Noise, Regulated, -2V GaAsFET Bias ____________________________Typical Operating Characteristics (continued) (Circuit of Figure 2a 3.6V +25°C, unless otherwise noted OUT -10 0 OUT ...
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Low-Noise, Regulated, -2V GaAsFET Bias ____________________________Typical Operating Characteristics (continued) (Circuit of Figure 2a 3.6V +25°C, unless otherwise noted 3.6V 4mA OUT 0.1 V ...
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... SHDN 5 — FB — 5 CONT 6 6 OUT 7 7 GND Dual Mode is a trademark of Maxim Integrated Products. C1+ CHARGE PUMP C1- MAX840 NEGOUT N SHDN -0.5V REF GND Figure 1a. MAX840 Block Diagram _______________________________________________________________________________________ FUNCTION Positive Terminal for C1 Negative Terminal for C1 Negative Output Voltage (unregulated) Active-Low, TTL Logic-Level Shutdown Input Dual Mode™ ...
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Low-Noise, Regulated, -2V GaAsFET Bias _______________Detailed Description The MAX840/MAX843/MAX844 are low-noise, inverting, regulated charge-pump power supplies designed for biasing GaAsFET devices, such as power-amplifier modules in cellular handsets. The applied input voltage ( first inverted to a neg- ...
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Low-Noise, Regulated, -2V GaAsFET Bias C1 MAX840 C1- OUT 3 NEGOUT SHDN ON/OFF GND 7 Figure 2a. MAX840 Standard Application Circuit C1+ ...
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Low-Noise, Regulated, -2V GaAsFET Bias ___________________Chip Topography C1+ C1- NEGOUT NEGOUT SHDN FB (CONT) 0.085" (2.159mm ARE FOR MAX843/MAX844 TRANSISTOR COUNT: 148 SUBSTRATE CONNECTED ______________________________________________________________________________________ IN GND GND 0.145" (3.683mm) OUT ...