LT1963A Series Series

1.5A, Low Noise, Fast Transient Response LDO Regulators

Catalog

1.5A, Low Noise, Fast Transient Response LDO Regulators

Part	Mounting Type	Current - Quiescent (Iq)	Voltage - Output (Min/Fixed)	Number of Regulators	Current - Supply (Max) [Max]	PSRR	Voltage - Input (Max) [Max]	Supplier Device Package	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage Dropout (Max) [Max]	Protection Features	Current - Output	Control Features	Voltage - Output (Max) [Max]	Package / Case	Output Configuration	Package / Case [custom]	Package / Case [custom]	Output Type	Package / Case [y]	Package / Case [x]
Analog Devices LT1963EQ#PBF	Surface Mount	1.5 mA	1.21 V	1	120 mA	63 dB	20 V	DDPAK-5	Adjustable	125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable	20 V	D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive
Analog Devices LT1963EFE-1.5#PBF	Surface Mount	1.5 mA	1.5 V	1	120 mA	63 dB	20 V	16-TSSOP-EP		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		16-TSSOP Exposed Pad	Positive	0.173 "	4.4 mm	1.81 mOhm
Analog Devices LT1963AET-1.8#30PBF	Through Hole	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	TO-220-5		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		TO-220-5	Positive			1.81 mOhm
Analog Devices LT1963EQ-1.5#PBF	Surface Mount	1.5 mA	1.5 V	1	120 mA	63 dB	20 V	DDPAK-5		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive			1.81 mOhm
Analog Devices LT1963AEST-1.8#TRPBF	Surface Mount	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	SOT-223-3		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		TO-261-4 TO-261AA	Positive			1.81 mOhm
Analog Devices LT1963EFE-1.8#PBF	Surface Mount	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	16-TSSOP-EP		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		16-TSSOP Exposed Pad	Positive	0.173 "	4.4 mm	1.81 mOhm
Analog Devices LT1963AES8-1.8#PBF	Surface Mount	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	8-SO		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		8-SOIC	Positive			1.81 mOhm	3.9 mm	0.154 in
Analog Devices LT1963AIFE#TRPBF	Surface Mount	1.5 mA	1.21 V	1	120 mA	63 dB	20 V	16-TSSOP-EP	Adjustable	125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable	20 V	16-TSSOP Exposed Pad	Positive	0.173 "	4.4 mm
Analog Devices LT1963AEQ-1.8#TRPBF	Surface Mount	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	DDPAK-5		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive			1.81 mOhm
Analog Devices LT1963AET-1.8#06PBF	Through Hole	1.5 mA	1.8 V	1	120 mA	63 dB	20 V	TO-220-5 Flow 6		125 °C	-40 °C	0.55 V	Over Current Over Temperature Reverse Polarity	1.5 A	Enable		TO-220-5	Positive			1.81 mOhm

Catalog

1.5A, Low Noise, Fast Transient Response LDO Regulators

Key Features

• Optimized for Fast Transient Response

• Output Current: 1.5A

• Dropout Voltage: 340mV

• Low Noise: 40μVRMS(10Hz to 100kHz)

• 1mA Quiescent Current

• No Protection Diodes Needed

• Controlled Quiescent Current in Dropout

• Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V

• Adjustable Output from 1.21V to 20V

• <1μA Quiescent Current in Shutdown

• Stable with 10μF Output Capacitor

• Stable with Ceramic Capacitors

• Reverse Battery Protection

• No Reverse Current

• Thermal Limiting

• 5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages

• AEC-Q100 Qualified for Automotive Applications

Description

The LT1963 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to <1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963 regulators have very low output noise which makes them ideal for sensitive RF supply applications.Output voltage range is from 1.21V to 20V. The LT1963 regulators are stable with output capacitors as low as 10µF. Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The devices are available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable device with a 1.21V reference voltage. The LT1963 regulators are available in 5-lead TO-220, DD, 3-lead SOT-223, 8-lead SO, and Exposed Pad 16-lead TSSOP packages.FeaturesLT1963-LT1963AStable With Ceramic Output CapacitorsApplications3.3V to 2.5V Logic Power SuppliesPost Regulator for Switching Supplies