LT1764A LINER [Linear Technology], LT1764A Datasheet
LT1764A
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LT1764A Summary of contents
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FEATURES Output Current: 1.1A ■ ■ Dropout Voltage: 290mV Low Noise: 40μV (10Hz to 100kHz) ■ RMS 500μA Quiescent Current ■ ■ Wide Input Voltage Range: 1.8V to 20V No Protection Diodes Needed ■ Controlled Quiescent Current in Dropout ■ ...
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LT1965 ABSOLUTE MAXIMUM RATINGS (Note 1) IN Pin Voltage .........................................................±22V OUT Pin Voltage ......................................................±22V Input to Output Differential Voltage (Note 2) ......... ±22V ADJ Pin Voltage ........................................................±9V ⎯ S ⎯ H ⎯ D ⎯ N Pin Voltage ...................................................±22V Output Short-Circuit ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER Minimum Input Voltage (Notes 4, 12) ADJ Pin Voltage (Notes 4, 5) Line Regulation (Note 4) Load Regulation Dropout Voltage OUT(NOMINAL) (Notes 6, 7, 12) ...
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LT1965 ELECTRICAL CHARACTERISTICS Note 9: ADJ pin bias current fl ows into the ADJ pin. Note 10: ⎯ S ⎯ H ⎯ D ⎯ N pin current fl ows into the ⎯ S ⎯ H ⎯ D ⎯ N pin. ...
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TYPICAL PERFORMANCE CHARACTERISTICS GND Pin Current 2 25° SHDN IN *FOR V = 1.2V OUT 1 24Ω 50mA 1.4 1.2 1 120Ω 10mA* ...
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LT1965 TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current 25° CURRENT FLOWS INTO OUTPUT PIN OUT ADJ OUTPUT VOLTAGE (V) ...
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TYPICAL PERFORMANCE CHARACTERISTICS Transient Response 100 V = 3.3V OUT 50 0 –50 –100 1 1.0 C OUT 0.5 0 TIME (μs) PIN FUNCTIONS (DFN/MSOP/DD-PAK/TO-220) OUT (Pins ...
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LT1965 APPLICATIONS INFORMATION The LT1965 is a 1.1A low dropout regulator with shut- down. The device is capable of supplying 1. typical dropout voltage of 290mV. The low operating quiescent current (500μA) drops to less than 1μA in ...
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APPLICATIONS INFORMATION capacitor values below appropriate levels. Capacitor DC bias characteristics tend to improve as component case size increases, but expected capacitance at operating voltages should be verifi ed. Voltage and temperature coeffi cients are not the only sources of ...
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LT1965 APPLICATIONS INFORMATION Other regulators, such as the LT1083/LT1084/LT1085 family, also exhibit this phenomenon not unique to the LT1965. The problem occurs with a heavy output load when the input voltage is high and the output voltage ...
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APPLICATIONS INFORMATION The following tables list thermal resistance for several different board sizes and copper areas. All measurements were taken in still air on 1/16" FR-4 board with one ounce copper. Table 1. Measured Thermal Resistance for DFN Package Copper ...
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LT1965 APPLICATIONS INFORMATION Protection Features The LT1965 incorporates several protection features that make it ideal for use in battery-powered circuits. In addition to the normal protection features associated with monolithic regulators, such as current limiting and thermal limiting, the device ...
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TYPICAL APPLICATIONS + V > 3.7V IN Paralleling of Regulators for Higher Output Current R1 0.01Ω IN OUT C1 LT1965 100μF SHDN ADJ GND R2 0.01Ω IN OUT LT1965 SHDN SHDN ADJ GND R3 R4 2.2k 2. ...
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LT1965 PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS NOTE: 1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1) ...
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PACKAGE DESCRIPTION .060 .256 (1.524) (6.502) .060 .183 (1.524) (4.648) .075 (1.905) .300 (7.620) BOTTOM VIEW OF DD PAK HATCHED AREA IS SOLDER PLATED COPPER HEAT SINK NOTE: 1. DIMENSIONS IN INCH/ (MILLIMETER) RECOMMENDED SOLDER PAD LAYOUT 2. DRAWING NOT ...
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... Micropower, LDO LT1761 100mA, Low Noise Micropower, LDO LT1762 150mA, Low Noise Micropower, LDO LT1763 500mA, Low Noise Micropower, LDO LT1764/LT1764A 3A, Low Noise, Fast Transient Response, LDO LTC1844 150mA, Very Low Drop-Out LDO LT1962 300mA, Low Noise Micropower, LDO LT1963/LT1963A 1 ...