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Analog Devices LTM4709 | Demoboard DC3211A
Triple 3A, Ultralow Noise, High PSRR, Ultrafast μModule Linear Regulator with Configurable Output Array
Overview
| Topology | Other Topology |
| Input voltage | 0.6-5.5 V |
| Switching frequency | 100-1000 kHz |
| Output 1 | 4.2 V / 3 A |
Description
Demonstration circuit 3211A features the LTM4709, a triple 3A, ultralow noise, high PSRR, and ultrafast μModule® linear regulator with a configurable output array. The input voltage (VINn) range is from 0.6V to 5.5V. There are jumpers to set a 3-bit trilevel code that determines the output voltage (VOUTn) at preprogrammed levels that range from 0.5V to 4.2V. The maximum output current per channel is 3A. The DC3211A requires an external BIAS voltage (VBIASn) at least 1.2V higher than VOUTn and between 2.375V and 5.5V.
Features
- Linear Regulator μModule® with Triple 3A Output
- Input Voltage: 0.6V to 5.5V
- Configurable Output Voltage: 0.5V to 4.2V
- Ultralow RMS Noise: 1.3μVRMS (10Hz to 100kHz)
- High Frequency PSRR: 51dB at 1MHz
- Low Dropout Voltage: 45mV Typical at 3A
- Ultrafast Transient Response
- 50% Smaller Than Discrete Solutions
- ±1.5% Output Voltage Regulation Over Line, Load, and Temperature
- ±2.4% Precision Current Monitor Accuracy at 3A
- Stable with Ceramic Output Capacitors (10μF Minimum)
- Parallel Multiple Devices for Higher Current
- PG Flag, UVLO, Overcurrent and Overtemperature Protection -150°C Rated Available
- 6mm × 12mm × 1.92mm BGA Package
Typical applications
- RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs, FPGA, DSP, and Microprocessor Power Supplies
- Medical and Healthcare
- Very-Low-Noise Instrumentation
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | f(mm) | Pins | Type | Mount | L(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WA-SNSR Self-Retaining Spacer, 4.8 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Drilling in Panel4.8 mm | – | – | – | Length6.4 mm | – | – | Operating Temperature -30 °C up to +85 °C | |||
 | WR-PHD Jumper, –, 2 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | Pins2 | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, 3 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | Pins3 | TypeStraight | MountTHT | Length6 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, 4 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | Pins4 | TypeStraight | MountTHT | Length8 mm | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C |