Datasheet LT1764A (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 3A, Fast Transient Response, Low Noise, LDO Regulators |
| Páginas / Página | 20 / 3 — ELECTRICAL CHARACTERISTICS The |
| Formato / tamaño de archivo | PDF / 648 Kb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS The
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Versión de texto del documento
LT1764A Series
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
LT1764A-2.5 VIN = 3V, ILOAD = 1mA 2.462 2.500 2.538 V 3.5V < VIN < 20V, 1mA < ILOAD < 3A ● 2.412 2.500 2.575 V LT1764A-3.3 VIN = 3.8V, ILOAD = 1mA 3.250 3.300 3.350 V 4.3V < VIN < 20V, 1mA < ILOAD < 3A ● 3.183 3.300 3.400 V ADJ Pin Voltage LT1764A VIN = 2.21V, ILOAD = 1mA 1.192 1.210 1.228 V (Notes 3, 4) E Grade: 2.7V < VIN < 20V, 1mA < ILOAD < 3A ● 1.168 1.210 1.246 V MP Grade: 2.8V < VIN < 20V, 1mA < ILOAD < 3A ● 1.168 1.210 1.246 V Line Regulation LT1764A-1.5 ∆VIN = 2.21V to 20V, ILOAD = 1mA ● 2.5 10 mV LT1764A-1.8 ∆VIN = 2.3V to 20V, ILOAD = 1mA ● 3 10 mV LT1764A-2.5 ∆VIN = 3V to 20V, ILOAD = 1mA ● 4 10 mV LT1764A-3.3 ∆VIN = 3.8V to 20V, ILOAD = 1mA ● 4.5 10 mV LT1764A (Note 3) ∆VIN = 2.21V to 20V, ILOAD = 1mA ● 2 10 mV Load Regulation LT1764A-1.5 VIN = 2.7V, ∆ILOAD = 1mA to 3A 3 7 mV VIN = 2.7V, ∆ILOAD = 1mA to 3A ● 23 mV LT1764A-1.8 VIN = 2.8V, ∆ILOAD = 1mA to 3A 4 8 mV VIN = 2.8V, ∆ILOAD = 1mA to 3A ● 25 mV LT1764A-2.5 VIN = 3.5V, ∆ILOAD = 1mA to 3A 4 10 mV VIN = 3.5V, ∆ILOAD = 1mA to 3A ● 30 mV LT1764A-3.3 VIN = 4.3V, ∆ILOAD = 1mA to 3A 4 12 mV VIN = 4.3V, ∆ILOAD = 1mA to 3A ● 40 mV LT1764A (Note 3) VIN = 2.7V, ∆ILOAD = 1mA to 3A 2 5 mV E Grade: VIN = 2.7V, ∆ILOAD = 1mA to 3A ● 20 mV MP Grade: VIN = 2.8V, ∆ILOAD = 1mA to 3A ● 20 mV Dropout Voltage ILOAD = 1mA 0.02 0.05 V VIN = VOUT(NOMINAL) ILOAD = 1mA ● 0.10 V (Notes 5, 6, 11) ILOAD = 100mA 0.07 0.13 V ILOAD = 100mA ● 0.18 V ILOAD = 500mA 0.14 0.20 V ILOAD = 500mA ● 0.27 V ILOAD = 1.5A 0.25 0.33 V ILOAD = 1.5A ● 0.40 V ILOAD = 3A 0.34 0.45 V ILOAD = 3A ● 0.66 V GND Pin Current ILOAD = 0mA ● 1 1.5 mA VIN = VOUT(NOMINAL) + 1V ILOAD = 1mA ● 1.1 1.6 mA (Notes 5, 7) ILOAD = 100mA ● 3.5 5 mA ILOAD = 500mA ● 11 18 mA ILOAD = 1.5A ● 40 75 mA ILOAD = 3A ● 120 200 mA Output Voltage Noise COUT = 10µF, ILOAD = 3A, BW = 10Hz to 100kHz 40 µVRMS ADJ Pin Bias Current (Notes 3, 8) 3 10 µA Shutdown Threshold VOUT = Off to On ● 0.9 2 V VOUT = On to Off ● 0.25 0.75 V SHDN Pin Current VSHDN = 0V 0.01 1 µA (Note 9) VSHDN = 20V 7 30 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 0.01 1 µA Ripple Rejection VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, 55 63 dB fRIPPLE = 120Hz, ILOAD = 1.5A 1764afb 3
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
LT1764A-2.5 VIN = 3V, ILOAD = 1mA 2.462 2.500 2.538 V 3.5V < VIN < 20V, 1mA < ILOAD < 3A ● 2.412 2.500 2.575 V LT1764A-3.3 VIN = 3.8V, ILOAD = 1mA 3.250 3.300 3.350 V 4.3V < VIN < 20V, 1mA < ILOAD < 3A ● 3.183 3.300 3.400 V ADJ Pin Voltage LT1764A VIN = 2.21V, ILOAD = 1mA 1.192 1.210 1.228 V (Notes 3, 4) E Grade: 2.7V < VIN < 20V, 1mA < ILOAD < 3A ● 1.168 1.210 1.246 V MP Grade: 2.8V < VIN < 20V, 1mA < ILOAD < 3A ● 1.168 1.210 1.246 V Line Regulation LT1764A-1.5 ∆VIN = 2.21V to 20V, ILOAD = 1mA ● 2.5 10 mV LT1764A-1.8 ∆VIN = 2.3V to 20V, ILOAD = 1mA ● 3 10 mV LT1764A-2.5 ∆VIN = 3V to 20V, ILOAD = 1mA ● 4 10 mV LT1764A-3.3 ∆VIN = 3.8V to 20V, ILOAD = 1mA ● 4.5 10 mV LT1764A (Note 3) ∆VIN = 2.21V to 20V, ILOAD = 1mA ● 2 10 mV Load Regulation LT1764A-1.5 VIN = 2.7V, ∆ILOAD = 1mA to 3A 3 7 mV VIN = 2.7V, ∆ILOAD = 1mA to 3A ● 23 mV LT1764A-1.8 VIN = 2.8V, ∆ILOAD = 1mA to 3A 4 8 mV VIN = 2.8V, ∆ILOAD = 1mA to 3A ● 25 mV LT1764A-2.5 VIN = 3.5V, ∆ILOAD = 1mA to 3A 4 10 mV VIN = 3.5V, ∆ILOAD = 1mA to 3A ● 30 mV LT1764A-3.3 VIN = 4.3V, ∆ILOAD = 1mA to 3A 4 12 mV VIN = 4.3V, ∆ILOAD = 1mA to 3A ● 40 mV LT1764A (Note 3) VIN = 2.7V, ∆ILOAD = 1mA to 3A 2 5 mV E Grade: VIN = 2.7V, ∆ILOAD = 1mA to 3A ● 20 mV MP Grade: VIN = 2.8V, ∆ILOAD = 1mA to 3A ● 20 mV Dropout Voltage ILOAD = 1mA 0.02 0.05 V VIN = VOUT(NOMINAL) ILOAD = 1mA ● 0.10 V (Notes 5, 6, 11) ILOAD = 100mA 0.07 0.13 V ILOAD = 100mA ● 0.18 V ILOAD = 500mA 0.14 0.20 V ILOAD = 500mA ● 0.27 V ILOAD = 1.5A 0.25 0.33 V ILOAD = 1.5A ● 0.40 V ILOAD = 3A 0.34 0.45 V ILOAD = 3A ● 0.66 V GND Pin Current ILOAD = 0mA ● 1 1.5 mA VIN = VOUT(NOMINAL) + 1V ILOAD = 1mA ● 1.1 1.6 mA (Notes 5, 7) ILOAD = 100mA ● 3.5 5 mA ILOAD = 500mA ● 11 18 mA ILOAD = 1.5A ● 40 75 mA ILOAD = 3A ● 120 200 mA Output Voltage Noise COUT = 10µF, ILOAD = 3A, BW = 10Hz to 100kHz 40 µVRMS ADJ Pin Bias Current (Notes 3, 8) 3 10 µA Shutdown Threshold VOUT = Off to On ● 0.9 2 V VOUT = On to Off ● 0.25 0.75 V SHDN Pin Current VSHDN = 0V 0.01 1 µA (Note 9) VSHDN = 20V 7 30 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 0.01 1 µA Ripple Rejection VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, 55 63 dB fRIPPLE = 120Hz, ILOAD = 1.5A 1764afb 3