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UNISONIC TECHNOLOGIES CO., LTD LR1121B CMOS IC HIGH RIPPLE-REJECTION LDO REGULATOR 1 DESCRIPTION 2 3 The UTC LR1121B is CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low current, low ON-resistance, and high Ripple Rejection. 5 An ON/OFF circuit enables the output to be turned off, ensuring a 4 long battery life. a built-in low on-resistance transistor provides a low dropout voltage and large output current, and a built-in overcurrent protector prevents the load current from exceeding the current SOT-25 capacitance of the output transistor. The line transient response and load transient of the UTC LR1121B is excellent. FEATURES * Ultra-Low Supply Current During Operation 30 A TYP. During Standby 0.1 A Typ. ... See More ⇒