S-1132 Series HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Category: Electronics, Regulators, Seiko Instruments USA Inc

S-1132 Series Overview

The S-1132 Series by Seiko Instruments Inc. represents a range of high-performance, positive voltage regulators. These regulators are designed to provide stable voltage with high ripple rejection, low dropout voltage, and middle output current capabilities, utilizing advanced CMOS technology. They are particularly suitable for small electronic devices due to their low power consumption and compact packaging.

Key Features

Output Voltage: Adjustable from 1.5 V to 5.5 V, configurable in increments of 0.1 V.
Input Voltage: Ranges from 2.0 V to 6.5 V, accommodating various power sources.
Output Voltage Accuracy: Maintained within ±1.0% allowing for precise voltage regulation.
Low Dropout Voltage: Typical value is 130 mV for a 3.0 V output product at 100 mA output current.
Current Consumption: Extremely low during operation at typically 20 μA and a maximum of 40 μA, with power-off consumption as low as 0.01 μA typically and 1.0 μA at the maximum.
Output Current: Capable of delivering 300 mA output current under certain conditions.
Capacitors: Compatible with a 0.1 μF or more ceramic capacitor for input and output stabilization.
Ripple Rejection: Provides a typical rate of 70 dB at 1.0 kHz, ensuring clean voltage supply.
Protection: Overcurrent protection circuitry to limit output transistor current.
Built-In ON/OFF Circuit: Optimizes battery lifespan by effectively managing power usage.
Operating Temperature: Functions reliably in a wide temperature range from -40°C to +85°C.
Packaging: Available in lead-free and halogen-free options and provided in several packages including SOT-23-5, SOT-89-5, and SNT-6A(H).

Applications

The versatility and robust features of the S-1132 Series make it an ideal candidate for use as a power supply in a variety of electronic devices. It’s suitable for battery-powered devices, personal communication devices, home electrical/electronic appliances, and cellular phones.

Consumer/Product Safety Notices

Users are advised to consider the power dissipation capacities of the selected package when employing the S-1132 Series regulators under high output currents. Detailed selection guidance is offered in the ‘Product Name Structure’ section, which is referenced in the datasheet for further information.