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Charge inverting pump designed to produce voltage levels from -1.5V to -5V, with a current output of 0.25mA in a 8-pin WSON EP package
WSON (DSG)-8Hersteller:
Herstellerteil #:
LM27761DSGR
Datenblatt:
Function:
Step-Up/Step-Down
Output Configuration:
Negative
Topology:
Charge Pump
Output Type:
Adjustable
EDA/CAD Modelle:
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The LM27761 low-noise regulated switched-capacitor voltage inverter delivers a very low-noise adjustable output for an input voltage in the range of 2.7 V to 5.5 V. Four low-cost capacitors are used in the application solution to provide up to 250 mA of output current. The regulated output for the device is adjustable between −1.5 V and −5 V. The LM27761 operates at 2-MHz (typical) switching frequency to reduce output resistance and voltage ripple. With an operating current of only 370 µA (charge-pump power efficiency greater than 80% with most loads) and 7-µA typical shutdown current, the LM27761 provides ideal performance when driving power amplifiers, DAC bias rails, and other high-current, low-noise voltage applications.
Category | Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators | Series | - |
Function | Step-Up/Step-Down | Output Configuration | Negative |
Topology | Charge Pump | Output Type | Adjustable |
Number of Outputs | 1 | Voltage - Input (Min) | 2.7V |
Voltage - Input (Max) | 5.5V | Voltage - Output (Min/Fixed) | -1.5V |
Voltage - Output (Max) | -5V | Current - Output | 250mA |
Frequency - Switching | 2MHz | Synchronous Rectifier | No |
Operating Temperature | -40°C ~ 85°C (TA) | Mounting Type | Surface Mount |
Base Product Number | LM27761 | Vin (min) (V) | 2.7 |
Vin (max) (V) | 5.5 | Vout (min) (V) | -5.2 |
Vout (max) (V) | -1.5 | Iout (max) (A) | 0.25 |
Regulated outputs (#) | 1 | Switching frequency (min) (kHz) | 1700 |
Switching frequency (max) (kHz) | 2300 | Iq (typ) (mA) | 0.37 |
Features | Enable, Integrated LDO, Light Load Efficiency Mode, Output discharge, Synchronous Rectification, UVLO Fixed | Operating temperature range (°C) | -40 to 85 |
Rating | Catalog | Type | Charge pump |
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Wir versprechen, 365 Tage Qualitätssicherung für alle unsere Produkte zu bieten.
Menge. | Einzelpreis | Ext. Preis |
---|---|---|
1+ | $1,104 | $1,10 |
10+ | $0,942 | $9,42 |
30+ | $0,852 | $25,56 |
100+ | $0,753 | $75,30 |
500+ | $0,605 | $302,50 |
1000+ | $0,584 | $584,00 |
Die unten angegebenen Preise dienen nur als Referenz.
Delivery to minsk 10 days.