ILC7280AR3333X

ILC7280AR3333X Datasheet

ILC7280

Part	Datasheet
ILC7280AR3333X	ILC7280AR3333X (pdf)

Related Parts	Information
ILC7280AR2530X	ILC7280AR2530X
ILC7280AR8585X	ILC7280AR8585X

PDF Datasheet Preview
ILC7280 Micropower Dual 150mA CMOS RF LDO Regulators • Low Power Consumption • 150mV Dropout at 150mA • 1% Output Voltage Accuracy • Requires only 0.47µF Output Capacitor • Only 135µA Ground Current at 150mA load • 50µVRMS Noise at BW = 300Hz to 50kHz • Excellent Line and Load Transient Response • Over Current/Over Temperature Protection • 8-pin MSOP package • Voltage Options Available 3.3/3.3V, 3.0/3.0V, 3.0/2.8V, 3.0/2.5V, 2.8/2.8V, 2.85/2.85V. Other Custom Values available upon request. • Minimum External Components • Cellular Phones, pagers and wireless headsets • Palmtops, organizers, PDAs and portable electronics • Battery powered portable appliances and equipment • Remote data accumulation and instrumentation Block Diagram The ILC7280 is two independent 150mA low dropout LDO voltage regulators in an 8-pin MSOP package. Each regulator output is independently short circuit protected and has independent enable lines. The device offers a unique combination of low dropout voltage and low quiescent current offered by CMOS technology as well as the low noise and good ripple rejection characteristics of bipolar LDO regulators. The ILC7280 is available in a space saving MSOP-8 package. VINA VOUTA ENA CNOISE Current Limit Thermal Shutdown Bandgap Reference Current Limit Thermal Shutdown VINB Optional VOUTB ILC7280 PRODUCT SPECIFICATION VOUTA 1 8 VINA GND 2 7 ENA VOUTB 3 6 VINB CNOISE 4 Optional 5 ENB MSOP-8 Pin Number Pin Name Pin Function Description VOUTA Output A.Regulated voltage Ground of the IC VOUTB Output B.Regulated voltage CNOISE Optional bypass for noise reduction. Digital Input Enable for regulator A VINB Supply input B.Internally connected to pin 8* Digital Input Enable for regulator B Ordering Information Part Number ILC7280AR2530X ILC7280AR2830X ILC7280AR2828X ILC7280AR8585X ILC7280AR3030X ILC7280AR3333X VOUT 2.5V and 3.0V 3.0V and 2.8V 2.8V and 2.8V 2.85V and 2.85V 3.0V and 3.0V 3.3V and 3.3V PRODUCT SPECIFICATION Temperature Range °C -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85 Package MSOP-8 MSOP-8 MSOP-8 MSOP-8 MSOP-8 MSOP-8 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 6/3/02 0.0m 002 Stock#DS30007280 2002 Fairchild Semiconductor Corporation

PDF Datasheet Preview

ILC7280

Micropower Dual 150mA CMOS RF LDO Regulators
• Low Power Consumption
• 150mV Dropout at 150mA
• 1% Output Voltage Accuracy
• Requires only 0.47µF Output Capacitor
• Only 135µA Ground Current at 150mA load
• 50µVRMS Noise at BW = 300Hz to 50kHz
• Excellent Line and Load Transient Response
• Over Current/Over Temperature Protection
• 8-pin MSOP package
• Voltage Options Available 3.3/3.3V, 3.0/3.0V, 3.0/2.8V,
3.0/2.5V, 2.8/2.8V, 2.85/2.85V. Other Custom Values available upon request.
• Minimum External Components
• Cellular Phones, pagers and wireless headsets
• Palmtops, organizers, PDAs and portable electronics
• Battery powered portable appliances and equipment
• Remote data accumulation and instrumentation

Block Diagram

The ILC7280 is two independent 150mA low dropout LDO voltage regulators in an 8-pin MSOP package. Each regulator output is independently short circuit protected and has independent enable lines. The device offers a unique combination of low dropout voltage and low quiescent current offered by CMOS technology as well as the low noise and good ripple rejection characteristics of bipolar LDO regulators.

The ILC7280 is available in a space saving MSOP-8 package.

VINA

VOUTA

ENA *CNOISE

Current Limit Thermal Shutdown

Bandgap Reference

Current Limit Thermal Shutdown

VINB *Optional

VOUTB

ILC7280

PRODUCT SPECIFICATION

VOUTA 1
8 VINA

GND 2
7 ENA

VOUTB 3
6 VINB

CNOISE 4

Optional
5 ENB

MSOP-8

Pin Number Pin Name

Pin Function Description

VOUTA

Output A.Regulated voltage

Ground of the IC

VOUTB

Output B.Regulated voltage

CNOISE

Optional bypass for noise reduction.

Digital Input Enable for regulator A

VINB

Supply input B.Internally connected to pin 8*

Digital Input Enable for regulator B
Ordering Information

Part Number ILC7280AR2530X ILC7280AR2830X ILC7280AR2828X ILC7280AR8585X ILC7280AR3030X ILC7280AR3333X

VOUT 2.5V and 3.0V 3.0V and 2.8V 2.8V and 2.8V 2.85V and 2.85V 3.0V and 3.0V 3.3V and 3.3V

PRODUCT SPECIFICATION

Temperature Range °C -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85

Package MSOP-8 MSOP-8 MSOP-8 MSOP-8 MSOP-8 MSOP-8

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
6/3/02 0.0m 002 Stock#DS30007280 2002 Fairchild Semiconductor Corporation

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ILC7280AR3333X Datasheet file may be downloaded here without warranties.

Datasheet ID: ILC7280AR3333X 634029