LM27761DSGR

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Details for Texas Instruments

LM27761DSGR

Low-Noise Regulated Inverter with Integrated LDO
Buy Directly from Texas Instruments (10489 in Stock)
$0.6100 per unit
Series Information for LM27761DSGR - Texas Instruments

Features

  • feature
    2-MHz (Typical) Low-Noise Fixed-Frequency Operation
  • feature
    2.5-u2126 Inverter Output Impedance, VIN = 5 V
  • feature
    30-mV LDO Dropout Voltage at 100 mA, VOUT = u20135 V
  • feature
    35-dB (Typical) LDO PSRR at 2 MHz With 80-mA Load Current
  • feature
    370-u00b5A Quiescent Current
  • feature
    Create a Custom Design Using the LM27761 With
  • feature
    Current Limit and Thermal Protection
  • feature
    Inverts and Regulates the Input Supply Voltage
  • feature
    Low Output Ripple
  • feature
    Shutdown Lowers Quiescent Current to 7 u00b5A (Typical)
  • feature
    Up to 250-mA Output Current
  • feature
    u00b14% Regulation at Peak Load

Description

DC-DC CHARGE PUMP INVERTING WSON-8
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 7µA typical shutdown current, the LM27761 provides ideal performance when driving power amplifiers, DAC bias rails, and other high-current, low-noise voltage applications.

Specifications

Output Type:
Adjustable
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
DC / DC Converter IC Case:
WSON
No. of Pins:
8Pins
Output Current:
250mA
Fixed Output Voltage Nom.:
-
Adjustable Output Voltage Min:
-5V
Adjustable Output Voltage Max:
-1.5V
Topology:
Inverting
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Yes

Alternate Descriptions

Avnet America

TISLM27761DSGR

Avnet Europe

TISLM27761DSGR

Texas Instruments

Low-Noise Regulated Inverter with Integrated LDO

Texas Instruments product