Renesas

ISL85012

12A, 3.8V to 18V Input, Synchronous Buck Regulator

Topology: Buck
Input Voltage (min.): 4.50 V
Input Voltage (max.): 18.00 V
Switching Frequency (min.): 250.00 kHz
Switching Frequency (max.): 660.00 kHz

Original publication on 2017-03-17, revision FN8677.2

Description

The ISL85012 is a highly efficient, monolithic, synchronous buck regulator that can deliver 12A of continuous output current from a 3.8V to 18V input supply. The device uses current mode control architecture with a fast transient response and excellent loop stability.

Characteristics

  • Power input voltage range variable 3.8V to 18V• PWM output voltage adjustable from 0.6V• Up to 12A output load• Prebias start-up, fixed 3ms soft-start• Selectable fSW of 300kHz, 600kHz, and externalsynchronization up to 1MHz• Peak current mode control
  • DCM/CCM
  • Thermally compensated current limit
  • Internal/external compensation• Open-drain, PG window comparator• Output overvoltage and thermal protection• Input overvoltage protection• Integrated boot diode with undervoltage detection• Selectable OCP schemes
  • Hiccup OCP
  • Latch-off• Compact size 3.5mmx3.5mm

Products

  Order Code SPEC Product series L
(µH)
IR
(A)
ISAT
(A)
RDC max.
(mΩ)
RDC typ.
(mΩ)
Material LR
(µH)
fres
(MHz)
Samples
7443340100 PDF WE-HCC SMT High Current Cube Inductor 1 17 24 3.9 3.6 Ferrite 0.97 147

Other applications and Würth Elektronik products for this IC

  • ISL85012
    Topology: Buck, Input Voltage (min.): 6.00 V, Input Voltage (max.): 18.00 V, Switching Frequency (min.): 250.00 kHz, Switching Frequency (max.): 660.00 kHz
  • ISL85012
    Topology: Buck, Input Voltage (min.): 4.50 V, Input Voltage (max.): 18.00 V, Switching Frequency (min.): 250.00 kHz, Switching Frequency (max.): 660.00 kHz
  • ISL85012
    Topology: Buck, Input Voltage (min.): 4.50 V, Input Voltage (max.): 18.00 V, Switching Frequency (min.): 250.00 kHz, Switching Frequency (max.): 660.00 kHz, Output 1: 1.80 V / 10.000 A, Output 2: 1.80 V / 12.000 A
  • ISL85012
    Topology: Buck, Input Voltage (min.): 4.50 V, Input Voltage (max.): 18.00 V, Switching Frequency (min.): 250.00 kHz, Switching Frequency (max.): 660.00 kHz