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LT3045 3.3V Linear Voltage Regulator Step-Down Module Single Power Supply Transformer Module Output 3.3V 500mA

KWD 7
Brand
JESSINIE
Weight
9 g
– 1 +

Special Features

  • The LT3045 is a high performance low dropout linear regulator featuring LTC's ultralow noise and ultrahigh PSRR architecture for powering noise sensitive applications.
  • Designed as a precision current reference followed by a high performance voltage buffer, the LT3045 can be easily paralleled to further reduce noise, increase output current and spread heat on the PCB.
  • The device supplies 500mA at a typical 260mV dropout voltage. Operating quiescent current is nominally 2.2mA and drops to <1µA in shutdown. The LT3045's wide output voltage range (0V to 15V) while maintaining unity-gain operation provides virtually constant output noise, PSRR, bandwidth, and load regulation, independent of the programmed output voltage.
  • The regulator features programmable current limit, fast start-up capability and programmable power good to indicate output voltage regulation.
  • The LT3045 is stable with a minimum 10µF ceramic output capacitor. Built-in protection includes reverse-battery protection, reverse-current protection, internal current limit with foldback and thermal limit with hysteresis.

Description

Features：
1.Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz)
2.Ultralow Spot Noise: 2nV/√Hz at 10kHz
3. Ultrahigh PSRR: 76dB at 1MHz
4. Output Current: 500mA
5. Wide Input Voltage Range: 1.8V to 20V
6. Single Capacitor Improves Noise and PSRR
7. 100µA SET Pin Current: ±1% Initial Accuracy
8. Single Resistor Programs Output Voltage
9. High Bandwidth: 1MHz
10. Programmable Current Limit
11. Low Dropout Voltage: 260mV
12. Output Voltage Range: 0V to 15V
13. Programmable Power Good
14.Fast Start-Up Capability
15. Precision Enable/UVLO
16. Parallelable for Lower Noise and Higher Current
17. Internal Current Limit with Foldback
18. Minimum Output Capacitor: 10µF Ceramic
19. Reverse-Battery and Reverse-Current Protection

Applications：
1.RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs
2. Very Low Noise Instrumentation
3. High Speed/High Precision Data Converters
4. Precision Power Supplies
5. Post-Regulator for Switching Supplies

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