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US1150CS Fiches technique(PDF) 1 Page - UNISEM |
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US1150CS Fiches technique(HTML) 1 Page - UNISEM |
1 / 5 page US1150 2-1 Rev. 1.2 10/28/99 4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR The US1150 product is a 4A regulator with extremely low dropout voltage using a proprietary Bipolar pro- cess that achieves comparable equivalent on re- sistance to that of discrete MOSFETs. This product is specifically designed to provide well regulated supply for applications requiring 2.8V or lower voltages from 3.3V ATX power supplies where high efficiency of a switcher can be achieved without the cost and complexity associated with switching regulators. One such application is the new graphic chip sets that require anywhere from 2.4V to 2.7V supply such as the Intel I740 chip set. DESCRIPTION DESCRIPTION 0.7V Dropout at 4A Fast Transient Response 1% Voltage Reference Initial Accuracy Built-in Thermal Shutdown PRELIMINARY DATASHEET APPLICATIONS APPLICATIONS FEATURES FEATURES 3.3V to 2.7V Intel I740 chip set. TYPICAL APPLICATION TYPICAL APPLICATION 3.3V US1150 2.7V C1 C3 1150app1-1.0 5V C2 R1 R2 1 2 3 4 5 Vsense Adj Vout Vctrl Vin Tj ( °C) 5 PIN PLASTIC 5 PIN PLASTIC 8 PIN PLASTIC TO263 (M) POWER FLEX (P) SOIC (S) 0 TO 125 US1150CM US1150CP US1150CS Typical application of US1150 in a 3.3V to 2.7V for I740 chip. PACKAGE ORDER INFORMATION PACKAGE ORDER INFORMATION |
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