Product Details
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DESCRIPTION The LTC?1844 Series are low noise VLDO? (very low dropout) linear regulators designed for low power/portable applications. These regulators can operate from input voltages as low as 1.6V. Typical output noise is only 30μVRMSand typical dropout for the LTC1844-3.3 is just 90mV at the maximum load current of 150mA, reducing to 30mV at 50mA. FEATURES ■ Very Low Dropout: 90mV at 150mA 30mV at 50mA (LTC1844-3.3) ■ Wide Input Voltage Range: 1.6V to 6.5V ■ Low 35μA Supply Current, Even in Dropout ■ Low Noise: 30μVRMS(10Hz to 100kHz) ■ ±1.75% Voltage Accuracy Over Temperature, Voltage and Current Ranges ■ Fast Transient Response ■ 10nA Supply Current in Shutdown ■ Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 2.8V, 3.3V ■ Adjustable Output Voltage: 1.25V to 6V ■ Output Current Limit ■ Reverse-Battery and Reverse-Current Protection ■ No Protection Diodes Needed ■ Stable with 1μF Output Capacitor ■ Stable with Ceramic Capacitors ■ Short-Circuit and Thermal Overload Protection ■ Low Profile (1mm) SOT-23 Package |
Product Description
| TYPE | DESCRIPTION |
| ANSC PART# | ANSC- LTC1844ES5-2.5#TRMPBF |
| Category | Integrated Circuits (ICs) |
|
Power Management (PMIC) |
|
| Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | |
| Mfr | Original |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6.5V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.2V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) |
80 μA |
| PSRR | 50dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | TSOT-23-5 |
| Base Product Number | LTC1844 |
Product Photos
Product datasheet
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