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MAX1598 Dataheets PDF



Part Number MAX1598
Manufacturers Maxim
Logo Maxim
Description Low-Noise / Low-Dropout / 200mA Linear Regulator
Datasheet MAX1598 DatasheetMAX1598 Datasheet (PDF)

19-2584; Rev 0; 10/02 Low-Noise, Low-Dropout, 200mA Linear Regulator General Description The MAX1598 low-noise, low-dropout linear regulator operates from a 2.5V to 6.5V input and delivers up to 200mA. Typical output noise is 30µVRMS, and typical dropout is only 236mV at 200mA. The output voltage is preset to voltages from 2.5V to 5V in 100mV increments. Designed with an internal P-channel MOSFET pass transistor, the MAX1598 maintains a low 100µA supply current independent of the load current a.

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19-2584; Rev 0; 10/02 Low-Noise, Low-Dropout, 200mA Linear Regulator General Description The MAX1598 low-noise, low-dropout linear regulator operates from a 2.5V to 6.5V input and delivers up to 200mA. Typical output noise is 30µVRMS, and typical dropout is only 236mV at 200mA. The output voltage is preset to voltages from 2.5V to 5V in 100mV increments. Designed with an internal P-channel MOSFET pass transistor, the MAX1598 maintains a low 100µA supply current independent of the load current and dropout voltage. Other features include a 10nA logic-controlled shutdown mode, short-circuit and thermal-shutdown protection, and reverse battery protection. The device also includes an autodischarge function, which actively discharges the output voltage to ground when the device is placed in shutdown. The MAX1598 comes in a thin 5-pin SOT23 package. o 200mA Output Current o Low Output Noise: 30µVRMS o Low 55mV Dropout at 50mA Output o Low 85µA No-Load Supply Current o Low 100µA Operating Supply Current, Even in Dropout o Thermal-Overload and Short-Circuit Protection o Reverse Battery Protection o Output Current Limit o Preset Output Voltages o 10nA Logic-Controlled Shutdown Features MAX1598 Applications Cellular, Cordless, and PCS Phones PCMCIA Cards Modems Hand-Held Instruments Palmtop Computers Electronic Planners PART MAX1598EZKxy-T* Ordering Information TEMP RANGE -40°C to +85°C PIN-PACKAGE Thin SOT23-5 *xy is the output voltage code (see the Selector Guide at end of data sheet). Typical Operating Circuit TOP VIEW INPUT 2.5V TO 6.5V IN CIN 1µF ON OFF CBP 0.01µF OUT COUT 2.2µF OUTPUT PRESET 2.5V TO 5V 200mA Pin Configuration IN 1 5 OUT MAX1598 SHDN BP GND GND 2 MAX1598 SHDN 3 4 BP THIN SOT23-5 ________________________________________________________________ Maxim Integrated Products 1 For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Low-Noise, Low-Dropout, 200mA Linear Regulator MAX1598 ABSOLUTE MAXIMUM RATINGS IN to GND ....................................................................-7V to +7V Output Short-Circuit Duration ............................................Infinite SHDN to GND..............................................................-7V to +7V SHDN to IN ...............................................................-7V to +0.3V OUT, BP to GND ..........................................-0.3V to (VIN + 0.3V) Continuous Power Dissipation (TA = +70°C) 5-Pin Thin SOT23 (derate 9.1mW/°C above +70°C) ....727mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C θJB (thin).........................................................................110°C/W Storage Temperature.........................................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Stresses beyond those listed u.


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