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Richtek USA Inc. Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Mfr Part # | Quantity Available | Price | Tariff Status | 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 | Grade | Qualification | Mounting Type | Package / Case | Supplier Device Package | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 30,453 In Stock | 1 : $0.28000 Cut Tape (CT) 3,000 : $0.11402 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 3.3V | - | 0.53V @ 600mA | 600mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
 | 8,740 In Stock | 1 : $0.56000 Cut Tape (CT) 2,500 : $0.25046 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) | Active | Positive | Adjustable | 1 | 5.5V | 3V | 5.5V | 0.45V @ 3A | 3A | 1.2 mA | - | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOP-EP | |
 | 1,399 In Stock | 1 : $0.56000 Cut Tape (CT) 1,500 : $0.25647 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 5.5V | 3V | 5.5V | 0.45V @ 3A | 3A | 1.2 mA | - | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WFDFN Exposed Pad | 10-WDFN (3x3) | |
 | 46,192 In Stock | 1 : $0.64000 Cut Tape (CT) 3,000 : $0.28531 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 3.3V | - | 0.5V @ 10mA | 100mA | 3.5 µA | 5 µA | 70dB ~ 40dB (100Hz ~ 100kHz) | - | Over Current | -40°C ~ 85°C (TA) | - | - | Surface Mount | TO-236-3, SC-59, SOT-23-3 | SOT-23-3 | |
| 9,987 In Stock | 1 : $0.64000 Cut Tape (CT) 3,000 : $0.28531 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 5V | - | 0.5V @ 10mA | 100mA | 3.5 µA | 5 µA | 70dB ~ 40dB (100Hz ~ 100kHz) | - | Over Current | -40°C ~ 85°C (TA) | - | - | Surface Mount | TO-236-3, SC-59, SOT-23-3 | SOT-23-3 | |
 | 37,863 In Stock | 1 : $0.65000 Cut Tape (CT) 3,000 : $0.29379 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 5V | - | 0.36V @ 10mA | 200mA | 3.5 µA | 5 µA | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | |
| 16,041 In Stock | 1 : $0.65000 Cut Tape (CT) 3,000 : $0.29379 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 3.3V | - | 0.36V @ 10mA | 200mA | 3.5 µA | 5 µA | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | |
| 8,275 In Stock | 1 : $0.22000 Cut Tape (CT) 3,000 : $0.08784 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 5.5V | 0.8V | - | 0.97V @ 300mA | 300mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
| 6,150 In Stock | 1 : $0.23000 Cut Tape (CT) 3,000 : $0.09368 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 3.3V | - | 0.22V @ 300mA | 300mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
| 10,733 In Stock | 1 : $0.28000 Cut Tape (CT) 3,000 : $0.11402 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 1.8V | - | 0.83V @ 600mA | 600mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
| 3,016 In Stock | 1 : $0.28000 Cut Tape (CT) 3,000 : $0.11402 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 3V | - | 0.53V @ 600mA | 600mA | 4 µA | - | - | Enable | Over Current, Over Temperature, Short Circuit | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
 | 1,974 In Stock | 1 : $0.51000 Cut Tape (CT) 3,000 : $0.22580 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 5.5V | 0.5V | 3V | 0.06V @ 1A | 1A | - | - | 70dB (1kHz) | Enable | Current Limit, Over Temperature | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-UFBGA, WLCSP | 6-WLCSP (1.2x0.80) | |
| 2,839 In Stock | 1 : $0.59000 Cut Tape (CT) 3,000 : $0.26268 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 12V | - | 0.36V @ 10mA | 200mA | 3.5 µA | 5 µA | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | |
 | 6,429 In Stock | 1 : $0.80000 Cut Tape (CT) 2,500 : $0.36968 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 5.5V | 0.6V | 5.3V | 0.15V @ 500mA | 500mA | - | - | 63dB (100kHz), 60dB ~ 48dB (1kHz ~ 500kHz) | Current Limit, Enable, Soft Start | Over Current, Over Temperature, Reverse Current, Short Circuit, Under Voltage Lockout (UVLO) | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-WFDFN Exposed Pad | 8-WDFN-SL (2x2) | |
| 2,893 In Stock | 1 : $0.83000 Cut Tape (CT) 2,500 : $0.38663 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 36V | 5V | - | 0.36V @ 10mA | 200mA | 3.5 µA | 5 µA | - | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOP-EP | |
 | 790 In Stock | 1 : $2.00000 Cut Tape (CT) 1,500 : $1.03812 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
 | 818 In Stock | 1 : $2.57000 Cut Tape (CT) 1,500 : $1.36231 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 6.5V | 0.8V | 5.5V | 0.18V @ 3A | 3A | 4 mA | 5.5 mA | 42dB ~ 25dB (10kHz ~ 500kHz) | Enable | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-WFQFN | 12-WQFN (FC) (2.2x2.5) | |
 | 893 In Stock | 1 : $3.86000 Cut Tape (CT) 1,500 : $2.12195 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 6.5V | 0.8V | 5.5V | 0.18V @ 3A | 3A | 4 mA | 5.5 mA | 42dB ~ 39dB (10kHz ~ 500kHz), 40dB ~ 25dB (10kHz ~ 500kHz) | Enable, Power Good, Soft Start | Over Current, Over Temperature, Reverse Current | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-VFQFN Exposed Pad | 20-VQFN (3.5x3.5) | |
 | 582 In Stock | 1 : $3.86000 Cut Tape (CT) 1,500 : $2.12195 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Adjustable | 1 | 6.5V | 0.5V | 5.5V | 0.18V @ 3A | 3A | 4 mA | 5.5 mA | 42dB ~ 25dB (10kHz ~ 500kHz) | Current Limit, Enable, Soft Start | Over Current, Over Temperature, Reverse Current, Short Circuit, Under Voltage Lockout (UVLO) | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-VFQFN Exposed Pad | 20-VQFN (3.5x3.5) | |
 | 3,247 In Stock | 1 : $0.24000 Cut Tape (CT) 2,500 : $0.09895 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 1.8V | - | 0.42V @ 300mA | 300mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 4-XDFN Exposed Pad | 4-ZQFN (1x1) | |
| 2,300 In Stock | 1 : $0.24000 Cut Tape (CT) 2,500 : $0.09895 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 3.3V | - | 0.22V @ 300mA | 300mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 4-XDFN Exposed Pad | 4-ZQFN (1x1) | |
| 6,488 In Stock | 1 : $0.26000 Cut Tape (CT) 2,500 : $0.10627 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 1.8V | - | 0.8V @ 250mA | 250mA | 3 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 4-XDFN Exposed Pad | 4-ZQFN (1x1) | |
| 3,159 In Stock | 1 : $0.26000 Cut Tape (CT) 2,500 : $0.10627 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 1.2V | - | 1.2V @ 250mA | 250mA | 3 µA | 500 µA | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | 4-XDFN Exposed Pad | 4-ZQFN (1x1) | |
| 3,000 In Stock | 1 : $0.28000 Cut Tape (CT) 3,000 : $0.11402 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 2.8V | - | 0.63V @ 600mA | 600mA | 4 µA | - | - | Enable | Over Current, Over Temperature, Short Circuit | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 | |
| 6,517 In Stock | 1 : $0.31000 Cut Tape (CT) 3,000 : $0.12745 Tape & Reel (TR) | - | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Positive | Fixed | 1 | 5.5V | 2.8V | - | 0.25V @ 300mA | 300mA | 4 µA | - | 75dB (1kHz) | Enable | Over Current, Over Temperature | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 Thin, TSOT-23-5 | TSOT-23-5 |
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