RICOH R1150H SERIES Owner's Manual User Guide
Summary
The R1150H series is a versatile CMOS voltage regulator (VR) IC featuring built-in Voltage Detectors (VDET). Designed for robust power management, these regulators offer low dropout voltage, high output accuracy (±2.0%), and ultra-low supply current, making them ideal for battery-operated and critical equipment. The manual provides detailed technical specifications, coverage of various monitoring modes (VOUT, SENSE, VIN), and operational guides. This component is essential for engineers developing reset and power source circuits in applications such as mobile telecommunication gear, cameras, videos, and home appliances.
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R1150H SERIES
VOLTAGE REGULATOR (with Wide Input Voltage Range) with RESET
NO.EA-081-111027
OUTLINE The R1150H series are CMOS-based voltage regulator (VR) ICs equipped with a voltage detector (VDET). VR function of the R1150Hxxxx has features of low dropout voltage, high output voltage accuracy, and ultra-low supply current. Each of the R1150Hxxx A series includes also a chip enable circuit. The output of built-in voltage detector is Nch open drain type. The R1150Hxxx C/D have a pin for connecting external capacitor to set a certain reset delay time instead of chip enable control pin. The regulator output voltage and the detector threshold voltage are fixed in the IC, Output Voltage Accuracy is ±2.0%, while Detector Threshold Accuracy is ±2.5%. The R1150Hxxx A (with chip enable function) and R1150Hxxx C series can supervise input voltage by the built-in detector. R1150Hxxx B can supervise SENSE pin voltage by the built-in detector. R1150Hxxx D type can supervise VOUT voltage, or Regulator Output Voltage of this IC itself. Since the package for these ICs is the SOT-89-5 package, high density mounting of the ICs on boards is possible.
FEATURES • Supply Current ..................................................Typ. 7.0μA • Input Voltage .....................................................Max. 24.0V • Output Voltage (VR)..........................................2.1V to 14.0V (0.1V steps) (For other voltages, please refer to MARK INFORMATIONS.) • Detector Threshold Voltage (VDET) ....................2.0V to 15.0V (R1150Hxxx B/C/D)
2.3V to 15.0V (R1150Hxxx A)
• Output Voltage Accuracy...................................±2.0% (VR), ±2.5% (VD) • Output Current ..................................................Min. 150m A (VOUT=5.0V) • Package ............................................................SOT-89-5 • Built-in Fold-Back Protection Circuit .................Typ. 45m A (Current at short mode) • Built-in Thermal Shutdown Circuit (VR) ............Thermal Shutdown Temperature ; Typ. 150°C
Released Temperature ; Typ. 120°C
• Monitoring VDD voltage ......................................R1150Hxxx A/C • Monitoring sense pin (SENSE) voltage ............R1150Hxxx B • Monitoring VOUT pin voltage...............................R1150Hxxx D
APPLICATIONS • Power source and Reset circuit for cameras, videos and mobile telecommunication equipment. • Power source and Reset circuit for battery-operated equipment. • Power source and Reset circuit for home appliances.
Page Summary Contents For RICOH R1150H SERIES Owner's Manual User Guide
Manual Details
| Brand | Ricoh |
|---|---|
| Pages | 30 |
| File Size | 354.71 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What is the purpose of 'x' in the product name (R1150Hxxx)?
The 'xxx' specifies a combination of output voltage and detector threshold.
What is the standard package for these ICs?
The components come in an SOT-89-5 package.
How is a reset delay time set for detection?
In R1150HxxxC/D, an external capacitor can be connected to pin 3 (CD) to set the reset delay time.