Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Output Configuration	Output Type	Number of Regulators	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Voltage Dropout (Max)	Current - Output	Current - Quiescent (Iq)	Current - Supply (Max)	PSRR	Control Features	Protection Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

LD1117S33CTR IC REG LINEAR 3.3V 800MA SOT223 STMicroelectronics	48,965 In Stock	1 : ¥3.37000 Cut Tape (CT) 2,500 : ¥1.18886 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	15V	3.3V	-	1.3V @ 800mA	800mA	10 mA	-	75dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-261-4, TO-261AA	SOT-223
L7912CD2T-TR IC REG LINEAR -12V 1.5A D2PAK STMicroelectronics	6,959 In Stock	1 : ¥9.44000 Cut Tape (CT) 1,000 : ¥4.30542 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Fixed	1	-35V	-12V	-	1.1V @ 1A (Typ)	1.5A	3 mA	-	60dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	D2PAK
L79L15ACUTR IC REG LINEAR -15V 100MA SOT89-3 STMicroelectronics	21,882 In Stock	1 : ¥3.20000 Cut Tape (CT) 2,500 : ¥1.29818 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Negative	Fixed	1	-35V	-15V	-	-	100mA	6 mA	6.5 mA	39dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3
LD2981ABU33TR IC REG LINEAR 3.3V 100MA SOT89-3 STMicroelectronics	80,954 In Stock	1 : ¥3.53000 Cut Tape (CT) 2,500 : ¥1.66148 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	16V	3.3V	-	0.375V @ 100mA	100mA	150 µA	2.6 mA	63dB (1kHz)	-	Over Current, Over Temperature	-40°C ~ 125°C	Surface Mount	TO-243AA	SOT-89-3
BA7812FP-E2 IC REG LINEAR 12V 1A TO252-3 Rohm Semiconductor	2,192 In Stock	1 : ¥9.77000 Cut Tape (CT) 2,000 : ¥4.13273 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Positive	Fixed	1	27V	12V	-	2V @ 1A (Typ)	1A	8 mA	800 µA	63dB (120Hz)	-	Over Current, Over Temperature	-40°C ~ 85°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3
MC7805CDTG IC REG LINEAR 5V 1A DPAK onsemi	0 In Stock Check Lead Time	1 : ¥5.01000 Tube	-	Tube	Active	Positive	Fixed	1	35V	5V	-	2V @ 1A (Typ)	1A	6.5 mA	-	83dB (120Hz)	-	Over Temperature, Short Circuit	0°C ~ 125°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	DPAK

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Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Linear voltage regulators, including LDO (Low Drop Out) types, are used to provide a stable output voltage that is nominally invariant with respect to changes in load current, input voltage, or environmental factors. Their operating principle requires that the input voltage be maintained above the desired output voltage by some minimum amount, and function on the basis of converting whatever excess voltage is present at the input to heat. While this renders them less efficient than switch-mode voltage regulators for most applications, they are often better suited for applications with high sensitivity to noise.