Datasheet Analog Devices LTC7103 — Ficha de datos

LTC7103
105V, 2.3A Low EMI Synchronous
Step-Down Regulator
FEATURES DESCRIPTION Wide VIN Range: 4.4V to 105V (110V Abs Max)
n Ultralow EMI/EMC Emissions: CISPR25 Compliant
n 2µA I When Regulating 48V to 3.3V
Q
IN
OUT
n Fast and Accurate Output Current Programming and
Monitoring with No External RSENSE
n Brick Wall Current Limit
n Low Minimum On-Time: 40ns
n Wide V
OUT Range: 1V to VIN
n 100% Maximum Duty Cycle Operatio Programmable Fixed Frequency: 200kHz to 2MHz
n Eight, Pin-Selectable Fixed (1.2V to 15V) or
Adjustable Output Voltages
n Selectable Pulse-Skipping or Low Ripple Burst
Mode® Operation at Light Loads
n PLL Synchronization to External Clock
n EXTV
CC LDO Powers Chip from VOUT = 3.3V to 40V …

LTC7103
105V, 2.3A Low EMI Synchronous
Step-Down Regulator
FEATURES DESCRIPTION Wide VIN Range: 4.4V to 105V (110V Abs Max)
nn Ultralow EMI/EMC Emissions: CISPR 25 Compliant
nn 2µA I When Regulating 48V to 3.3V
Q
IN
OUT
nn Fast and Accurate Output Current Programming and
Monitoring with No External RSENSE
nn Brick Wall Current Limit
nn Low Minimum On-Time: 40ns
nn Wide V
OUT Range: 1V to VIN
nn 100% Maximum Duty Cycle Operation
nn Programmable Fixed Frequency: 200kHz to 2MHz
nn Eight, Pin-Selectable Fixed (1.2V to 15V) or
Adjustable Output Voltages
nn Selectable Pulse-Skipping or Low Ripple Burst
Mode® Operation at Light Loads
nn PLL Synchronization to External Clock
nn EXTV …

LTC7103
105V, 2.3A Low EMI
Synchronous Step-Down
Regulator
Description Features
Wide VIN Range: 4.4V to 105V (110V Abs Max)
nn Ultralow EMI/EMC Emissions: CISPR 25 Compliant
nn 2ВµA I When Regulating 48V to 3.3V
Q
IN
OUT
nn Fast and Accurate Output Current Programming and
Monitoring with No External RSENSE
nn Brick Wall Current Limit
nn Low Minimum On-Time: 40ns
nn Wide V
OUT Range: 1V to VIN
nn 100% Maximum Duty Cycle Operation
nn Programmable Fixed Frequency: 200kHz to 2MHz
nn Eight, Pin-Selectable Fixed (1.2V to 15V) or
Adjustable Output Voltages
nn Selectable Pulse-Skipping or Low Ripple Burst
ModeВ® Operation at Light Loads …