Seiko Instruments USA, Inc.
Suite 250
Torrance, CA 90501
Switching Regulators provide small footprint.
S-835X Series of PWM and PWM/PFM CMOS switching regulators consist of reference voltage source, oscillation circuit, error amplifier, phase compensation circuit, PWM control Circuit (S-8355/57) and PVWM/FM switching control circuit (S-8356/58). Oscillation frequencies of 100, 250, and 300 kHz are available. Regulators have low operation current consumption of 25.9 microA (3.3 V, 100 kHz). SNB6B...
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Battery Protection IC provides over-current detection.
S-8243A/B Series incorporates battery protection circuits, battery monitor amp, and voltage regulator, reducing board space requirements. 3-serial and 4-serial cell LI-ION ICs have 3 levels of detection: over-charge (+/- 25 mV), over-discharge (+/- 80 mV) and over-current (+/- 25 mV). Applications include notebook computers, hand-held scanners, and other portable electronic devices that use...
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Temperature Switches have low quiescent current of 15 uA.
S-8130 switches invert output signal when temperature limit is reached and latch until reset signal is input or they detect that power voltage has been lowered. Units consist of temperature sensor with temperature coefficient of -13 mV/Ã-
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Power Consumption Comparators come in different packaging.
S-8953xA/B series CMOS comparator offers Rail-to-Rail input/output, 0.9 V low-voltage operation and 0.7 microamp current consumption (typ.). S-89530A/B and S-89531A/B have 5.0 and 10 mV (max.) input offset voltages, respectfully. S-892xxA has low operating voltage (VDD = 1.8 to 5.5 V), low current consumption [I DD = 50 microA (S-89210ACNC) and I DD = 10 microamp (S-89220ACNC)], and 4.0 mV input...
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Print Mechanisms feature lever activated design.
EZ-OP Model LTPF247 and Model LTPF347 24V print mechanisms feature 2 in. and 3 in. paper width options, respectively. Units deliver print speeds up to 220 mm/sec with print resolution of 8 dots/mm for clear characters and graphics. Dimensions are 86.2 x 54 x 25.8mm for 2 in. model and 110.2 x 54 x 25.8mm for 3 in. version.
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Switching Regulator controls power for PDAs.
Single-coil S-8460 PWM combination buck and boost switching regulator-controller is suitable for single-cell Lithium-Ion devices such as PDAs, cell phones, notebook PCs and power supply modules. It includes automatic-selection control circuit, reference voltage source, oscillation circuit and error amplifier. Regulator has variable output voltage, wide input voltage range, 300 kHz oscillation...
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LDO Voltage Regulator has high ripple rejection ratio.
S-L2980 low noise LDO voltage regulator has ripple rejection ratio of 70 dB at 1 kHz and low quiescent current of 0.1 pA, making it suitable for use in wireless RF devices, cell phones, PDAs, MP3 players and other portable electronic equipment. Output voltage range is 1.5 to 6.0 V at 0.1 V increments. It has low dropout voltage of 120 mV at 50 mA, output voltage accuracy of 2.0%, peak current of...
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Thermal Printer communicates via RF for portable printing.
Compact DPU-H245 has RF transceiver for wireless printing over range of 500-1500 ft indoors, 2 miles line of sight with omni-directional antenna, or 12 miles with directional antenna. It measures 135 x 100 x 36 mm. Rechargeable NiMH battery allows printing of 8,000 character lines on single charge. It supports condensed and enhanced fonts, has print resolution of 384 dots/line, and print speed of...
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