TECHNICAL DATA

Switching Voltage Regulators

IL2596-xx

Features

• 3.3V, 5V, 12V, and adjustable output versions

• Adjustable version output voltage range, 1.2V to 37V

± 4% max over line and load conditions

• Guaranteed 3A output load current

• Input voltage range up to 40V

• Requires only 4 external components

• Excellent line and load regulation specifications

• 150kHz fixed frequency internal oscillator

• TTL shutdown capability

• Low power standby mode,

• Thermal shutdown and current limit protection

Functions

• Simple high-efficiency step-down regulator

• On-card switching regulators

• Positive to negative converter

ORDERING INFORMATION

IL2596Q

TO-220-5L

IL2596S

TO-220-5L

IL2596D2

TO-263-5L

TO-220-5L

TO-263-5L

TO-220-5L

Description

The IL2596 series of regulators are monolithic integrated circuits that provide all the active functions for a

step-down switching regulator, capable of driving a 3A load with excellent line and load regulation. These

devices are available in fixed output voltages of 3.3V, 5V, 12V and an adjustable output version.

Requiring a minimum number of external components, these regulators are simple to use.

The IL2596 series operates at a switching frequency of 150kHz. Available in standard 5-lead TO-220

package.

Other features include a guaranteed ± 4% tolerance on output voltage under specified input voltage and

output load conditions, and ± 15% on the oscillator frequency. External shutdown is included, featuring

typically 100

µA standby current. Self protection features include a two stage frequency reducing current limit

for output switch and an over temperature shutdown for complete protection under fault conditions. The over

temperature shutdown level is about 145

1

Rev. 03