MIC9131YM

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> Semiconductors - ICs

> Power Management

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Details for Microchip Technology

MIC9131YM

SO-16 High Vin Telecom DC/DC PWM Control
Buy Directly from Microchip Technology (2610 in Stock)
$2.4700 per unit
Series Information for MIC9131YM - Microchip Technology

Features

  • feature
    1.3mA quiescent current
  • feature
    1u00b5A shutdown current
  • feature
    4u03a9 sink, 12u03a9 source output driver
  • feature
    90% efficiency
  • feature
    Accurate 75% maximum duty cycle
  • feature
    Constant-frequency PWM current-mode control
  • feature
    Current sense delay of 34ns
  • feature
    Internal oscillator capable of > 2.5MHz operation
  • feature
    Minimum pulse width of <25ns
  • feature
    Programmable under-voltage lockout
  • feature
    Resistor programmable current sense threshold
  • feature
    Selectable soft-start retry
  • feature
    Soft-start
  • feature
    Synchronisation capability to 6MHz

Description

PWM CONTROLLER CURRENT MODE SOP-16
TheMIC9131isacurrent-modePWMcontrollerthatefficiently converts –48V telecom voltages to logic levels.The MIC9131 featuresahighvoltagestart-upcircuitthatallowsthedeviceto beconnectedtoinputvoltagesashighas180V.Thehighinput voltage capability protects the MIC9131 from line transients that are common in telecom systems. The start-up circuitry also saves valuable board space and simplifies designs by integrating several external components. The MIC9131 is capable of high speed operation. Typically the MIC9131 can control a sub-25ns pulse width on the gate out pin. Its internal oscillator can operate over 2.5MHz, with even higher frequencies available through synchronisation. The high speed operation of the MIC9131 is made safe by the very fast, 34ns response from current sense to output, minimizing power dissipation in a fault condition. The MIC9131 allows for the designs of high efficiency power supplies. It can achieve efficiencies over 90% at high output currents.Itslow1.3mAquiescentcurrentallowshighefficiency even at light loads. The MIC9131 has a maximum duty cycle of 75%. For designs requiringamaximumdutycycleof50%,refertotheMIC9130. The MIC9131 is available in a 16-pin SOP and 16-pin QSOP package options. The junction temperature range is from –40°C to +125°C.

Specifications

Input Voltage:
-
Output Voltage:
4.85V
Output Current:
-
Supply Voltage Min:
9V
Supply Voltage Max:
18V
Controller IC Case Style:
SOP
No. of Pins:
16Pins
Frequency:
2.5MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

SO-16 HIGH VIN TELECOM DC/DC PWM CONTROL

Microchip Technology Inc

SO-16 High Vin Telecom DC/DC PWM Control

Future Electronics

MIC9131 Series 10 V 1.3 mA 6 MHz SMT Current Mode PWM Controller - SOIC-16