LT®3042 is a high performance low dropout linear regulator featuring LTC's ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, increase output current and spread heat on the PCB. The device supplies 200mA at a typical 350mV dropout voltage. Operating quiescent current is nominally 2mA and drops to <<1µA in shutdown. The LT3042'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. Additionally, the regulator features programmable current limit, fast start-up capability and programmable power good to indicate output voltage regulation. The LT3042 is stable with a minimum 4.7µF ceramic output capacitor.
- Ultralow RMS noise: 0.8µVRMS (10Hz to 100kHz), ultralow spot noise: 2nV/â��Hz at 10kHz
- Ultrahigh PSRR: 79dB at 1MHz
- Wide input voltage range: 1.8V to 20V
- Single capacitor improves noise and PSRR
- 100µA SET pin current: ±1% initial accuracy
- Single resistor programs output voltage
- High bandwidth: 1MHz
- Precision enable/UVLO, parallelable for lower noise and higher current
- 10-lead (3mm � 3mm) plastic DFN package
- Temperature range from -40°C to 125°C
Product details
| Output Type:
Adjustable
|
| Input Voltage Min:
1.8V
|
| Input Voltage Max:
20V
|
| No. of Pins:
10Pins
|
| Operating Temperature Min:
-40°C
|
| Operating Temperature Max:
125°C
|
| Product Range:
Adj 200mA LDO Voltage Regulators
|
| MSL:
MSL 1 - Unlimited
|
Other details
| Brand |
ANALOG DEVICES |
| Part Number |
LT3042EDD#PBF |
| Quantity |
Each |
| Technical Data Sheet EN |
 |
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