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LM27761DSGR
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Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
| Parameters | |
|---|---|
| Factory Lead Time | 6 Weeks |
| Lifecycle Status | ACTIVE (Last Updated: 6 days ago) |
| Mounting Type | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad |
| Surface Mount | YES |
| Number of Pins | 8 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Number of Terminations | 8 |
| ECCN Code | EAR99 |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Position | DUAL |
| Terminal Pitch | 0.5mm |
| Base Part Number | LM2776 |
| Function | Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Type | Adjustable |
| Voltage - Input (Min) | 2.7V |
| Input Voltage-Nom | 5V |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.7V |
| Analog IC - Other Type | SWITCHED CAPACITOR CONVERTER |
| Nominal Supply Current | 370μA |
| Output Configuration | Negative |
| Current - Output | 250mA |
| Quiescent Current | 370μA |
| Voltage - Output (Min/Fixed) | -1.5V |
| Topology | Charge Pump |
| Frequency - Switching | 2MHz |
| Control Technique | PULSE FREQUENCY MODULATION |
| Synchronous Rectifier | No |
| Switcher Configuration | INVERTER |
| Voltage - Output (Max) | -5V |
| Max Junction Temperature (Tj) | 125°C |
| Ambient Temperature Range High | 85°C |
| Height | 800μm |
| Length | 2mm |
| Width | 2mm |
| Thickness | 750μm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
LM27761DSGR Description
For an input voltage ranging from 2.7 V to 5.5 V, the LM27761DSGR low-noise regulated switched-capacitor voltage inverter provides an extremely low-noise adjustable output. The application solution uses four low-cost capacitors to deliver up to 250 mA of output current. The device's controlled output can be adjusted between 1.5 and 5 volts. To reduce output resistance and voltage ripple, the LM27761DSGR operates at a 2-MHz (typical) switching frequency. The LM27761DSGR provides optimal performance when driving power amplifiers, DAC bias rails, and other high-current, low-noise voltage applications, with an operating current of only 370 A (charge-pump power efficiency better than 80% with most loads) and a typical shutdown current of 7 A.
LM27761DSGR Features
? The Input Supply Voltage is inverted and regulated.
? Low Ripple Output
? Quiescent Current Drops to 7 A After Shutdown (Typical)
? Output Current of up to 250 mA
? VIN = 5 V, 2.5-inverter output impedance
? At peak load, there is a 4% regulation.
? Quiescent Current of 370 A
LM27761DSGR Applications
? Power of the Operational Amplifier
? Systems for Wireless Communication
? Biasing of cellular phone power amplifiers
? Power Supplies for Interfaces
? Instrumentation for use on the go
? Amplifiers for Hi-Fi Headphones
? Providing power to data converters