MAX630EJA MAXIM [Maxim Integrated Products], MAX630EJA Datasheet
MAX630EJA
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MAX630EJA Summary of contents
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... Onboard Drive Capability ♦ ±1.5% Output Voltage Accuracy (MAX630) ♦ Low-Battery Detector ♦ Compact 8-Pin Mini-DIP and SO Packages ♦ Pin Compatible with RC4191/2/3 PART MAX630CPA MAX630CSA MAX630CJA MAX630EPA MAX630ESA MAX630EJA MAX630MJA MAX630MSA/PR Applications M AX 630M S A MAX4193C/D MAX4193CPA MAX4193CSA MAX4193CJA MAX4193EPA MAX4193ESA ...
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CMOS Micropower Step-Up Switching Regulator ABSOLUTE MAXIMUM RATINGS Supply Voltage .......................................................................18V Storage Temperature Range ............................-65°C to +160°C Lead Temperature (soldering, 10s) .................................+300°C Operating Temperature Range MAX630C, MAX4193C........................................0°C to +70°C MAX630E, MAX4193E .....................................-40°C to +85°C MAX630M, MAX4193M..................................-55°C to +125°C Stresses beyond ...
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ELECTRICAL CHARACTERISTICS (+V = +6.0V Full Operating Temperature Range PARAMETER SYMBOL Supply Voltage +V Internal Reference Voltage V REF Supply Current (Pin Line Regulation Load Regulation Reference Set Internal R IC Pulldown ...
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CMOS Micropower Step-Up Switching Regulator PIN NAME Low-Battery Detection Comparator Input. The LBD output, pin 8, sinks current whenever this pin is 1 LBR below the low-battery detector threshold, typically 1.31V. An external capacitor connected between this terminal and ground ...
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LOW BATTERY INPUT +5V INPUT R3 169kΩ 1 LBR R4 100kΩ L1 470 40kHz ≅ 3Ω 1N4148 4 GND Figure 1. +5V to +15V Converter and Block Diagram Low-Battery Detector The ...
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CMOS Micropower Step-Up Switching Regulator External Components Since the LBR and V input bias currents are specified FB as 10nA (max), the current in the dividers R1/R2 and R3/R4 (Figure 1) may be as low as 1µA without signifi- cantly ...
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Potted Toroidal Inductors A typical 1mH, 0.82Ω potted toroidal inductor (Dale TE- 3Q4TA) is 0.685in in diameter by 0.385in high and mounts directly onto a PC board by its leads. Such devices offer high efficiency and mounting ease, but at ...
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CMOS Micropower Step-Up Switching Regulator The output-voltage ripple has two components, with approximately 90 degrees phase difference between them. One component is created by the change in the capacitor’s stored charge with each output pulse. The other ripple component is ...
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DC-DC converters can also be classified by the control method. The two most common are pulse-width modu- lation (PWM) and pulse-frequency modulation (PFM). PWM switch-mode power-supply ICs (of which current- ...
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CMOS Micropower Step-Up Switching Regulator +3V Battery to +5V DC-DC Converter A common power-supply requirement involves conver- sion battery voltage logic sup- ply. The circuit in Figure 5 converts ...
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Note that this circuit (with or without the MAX8212) can be used to provide 5V from four alkaline cells. The initial volt- age is approximately 6V, and the output is maintained at 5V even when the battery voltage falls to ...
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CMOS Micropower Step-Up Switching Regulator R3 100kΩ 1N914 NEG OUT -12V, 15mA 150μF 250μH Figure 8. ±12V Dual-Tracking Regulator Table 2. Maxim DC-DC Converters DEVICE DESCRIPTION ICL7660 Charge-Pump Voltage Inverter MAX4193 DC-DC Boost Converter MAX630 DC-DC Boost Converter MAX631 DC-DC ...
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Chip Topography 1 LBR GND GND 0.070" (1.78mm) ______________________________________________________________________________________ CMOS Micropower Step-Up Switching Regulator For the latest package outline information www.maxim-ic.com/packages. PACKAGE TYPE 8 PDIP ...
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CMOS Micropower Step-Up Switching Regulator REVISION REVISION NUMBER DATE 2 9/08 Added information for rugged plastic product Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are ...