Datasheet Analog Devices LTC7801EUFD#TRPBF — Ficha de datos

LTC7801
150V Low IQ, Synchronous
Step-Down DC/DC Controller
FEATURES DESCRIPTION Wide VIN Range: 4V to 140V (150V Abs Max)
n Wide Output Voltage Range: 0.8V to 60V
n Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE)
n Low Operating I : 40μA (Shutdown = 10μA)
Q
n 100% Duty Cycle Operatio Integrated Bootstrap Diode
n Selectable Gate Drive UVLO Thresholds
n Onboard LDO or External NMOS LDO for DRV
CC
n EXTV
LDO
Powers
Drivers
from
V
CC
OUT
n Phase-Lockable Frequency (75kHz to 850kHz)
n Programmable Fixed Frequency (50kHz to 900kHz)
n Selectable Continuous, Pulse-Skipping or Low Ripple …

LTC7801
150V Low IQ, Synchronous
Step-Down DC/DC Controller
Features Description Wide VIN Range: 4V to 140V (150V Abs Max)
nn Wide Output Voltage Range: 0.8V to 60V
nn Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE)
nn Low Operating I : 40μA (Shutdown = 10μA)
Q
nn 100% Duty Cycle Operation
nn No External Bootstrap Diode Required
nn Selectable Gate Drive UVLO Thresholds
nn Onboard LDO or External NMOS LDO for DRV
CC
nn EXTV
LDO
Powers
Drivers
from
V
CC
OUT
nn Phase-Lockable Frequency (75kHz to 850kHz)
nn Programmable Fixed Frequency (50kHz to 900kHz) …