Richtek Technology RT9216B
The RT9261B Series are VFM Step-up DC/DC converter ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments. The RT9261B IC consists of an oscillator, a VFM control circuit, a driver transistor (LX switch), a reference voltage unit, an error amplifier, resistors for voltage detection, and a LX switch protection circuit. The CE pin enables the circuit to set the standby supply current at a maximum of 0.5µA.
| Part No. |
RT9216B |
| Datasheet |
RT9216B
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| Manufacturer |
 Richtek Technology |
| Description |
VFM STEP UP DC/DC CONVERTER |
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GENERAL DESCRIPTION
A low ripple and high efficiency step-up DC/DC converter can be constructed with the RT9261B IC and only three external components. Ordering Information RT9261B- Package type B : SOT-25 X : SOT-89 Operating temperature range C: Commercial standard Output voltage 15 : 1.5V 16 : 1.6V : 49 : 4.9V 50 : 5.0V FEATURES
z Minimal Number of External Components (Only an Inductor, a Diode, and a Capacitor) z Ultra Low Input Current (6.5µA at Switch Off) z Cap
