Datasheet Analog Devices LTC3897IUHG-2#TRPBF — Datenblatt

LTC3897-2
PolyPhase® Synchronous Boost Controller
with Input/Output Protection
DESCRIPTION FEATURES Input Supply Range: 4.5V to 65V (Up to 75V Surge)
n Reverse Input Protection to –40V
n Inrush Current Control, Overcurrent Protection and
Output Disconnect for Boost Converter
n Input Voltage Surge Protection with Adjustable
Clamp Voltage
n Onboard Ideal Diode Controller
n Low Quiescent Current: 55µA
n 2-Phase Operation Reduces Required Input and
Output Capacitance and Noise
n Output Voltage Up to 60V
n Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)
for Logic-Level or Standard Threshold FETs
n No External Bootstrap Diodes Required
n 5mm × 9mm QFN-44 Package with High Voltage
Pin Spacing
n APPLICATIONS The LTC®3897-2 is a synchronous boost DC/DC controller
with surge stopper and ideal diode controller.
The boost controller drives two N-channel power MOSFET
stages out-of-phase to reduce input and output capacitor …