KA723

KA723 Datasheet

KA723

Part	Datasheet
KA723	KA723 (pdf)

Related Parts	Information
KA723DTF	KA723DTF
KA723D	KA723D

PDF Datasheet Preview
KA723 Precision Voltage Regulator • Positive or Negative Supply Operation • Line and Load Regulation • Output Voltage Adjustable from 2V to 37V • Output Current to 150mA Without External Pass Transistor The KA723 are monolithic integrated circuit voltage regulators featuring high ripple rejection, excellent output and load regulation, excellent temperature stability, and low standby current. The KA723 are also useful in a wide range of other applications such as a shunt regulator, a current regulator or a temperature controller. 14-DIP Internal Block Diagram TEMP COMPENS ZENER REF AMP 1 14-SOP +VCC 12 INVERT INPUT 4 FREQUENCY COMPENS ERROR AMP + SERIES PASS TRANSISTOR 6 VREF 7 -VCC 2002 Fairchild Semiconductor Corporation 10 VO 5 NON INVERT CURRENT INPUT LIMIT SENSE KA723 Absolute Maximum Ratings Parameter Pulse Voltage From V+ to V- 50ms Continuous Voltage from V+ to VInput-Output Voltage Differential Maximum Output Current Differential Input Voltage Between Non-Inverting Input and VCurrent From VZ Current From VREF Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VI P VI VI - VO IO VID VIE IZ IREF PD TOPR TSTG Value 50 40 150 ±5 8 25 15 1000 0 ~ +70 -65 ~ +150 Unit VPEAK V mA V mA mV °C °C Electrical Characteristics Unless otherwise specified, TA = 25°C, VIN =V+= VC = 12V, V-=O,VOUT = 5V, IL =1mA, RSC = 0, CI = 100pF, CREF=0 and divider impedance as seen by error amplifier connected as shown in figure 1 Parameter Line Regulation Load Regulation Ripple Rejection Average Temperature Coefficient of Output Voltage Short Circuit Current Limit Reference Voltage Output Noise Voltage Long-term Stability Standby Current Drain Input Voltage Range Output Voltage Range Input-Output Voltage Differential Ordering Information Product Number KA723 KA723D Package 14-DIP 14-SOP Operating Temperature 0 ~ +70°C 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. 11/22/02 0.0m 001 2002 Fairchild Semiconductor Corporation

PDF Datasheet Preview

KA723

Precision Voltage Regulator
• Positive or Negative Supply Operation
• Line and Load Regulation
• Output Voltage Adjustable from 2V to 37V
• Output Current to 150mA Without External Pass

Transistor

The KA723 are monolithic integrated circuit voltage regulators featuring high ripple rejection, excellent output and load regulation, excellent temperature stability, and low standby current. The KA723 are also useful in a wide range of other applications such as a shunt regulator, a current regulator or a temperature controller.
14-DIP

Internal Block Diagram

TEMP COMPENS

ZENER

REF AMP
1 14-SOP
+VCC 12

INVERT INPUT 4

FREQUENCY

COMPENS

ERROR AMP +

SERIES PASS TRANSISTOR
6 VREF
7 -VCC
2002 Fairchild Semiconductor Corporation
10 VO
5 NON

INVERT CURRENT

INPUT LIMIT SENSE

KA723

Absolute Maximum Ratings

Parameter Pulse Voltage From V+ to V- 50ms Continuous Voltage from V+ to VInput-Output Voltage Differential Maximum Output Current Differential Input Voltage Between Non-Inverting Input and VCurrent From VZ Current From VREF Power Dissipation Operating Temperature Range Storage Temperature Range

Symbol VI P VI

VI - VO IO VID VIE IZ

IREF PD TOPR TSTG

Value 50 40 150 ±5 8 25 15
1000 0 ~ +70 -65 ~ +150

Unit VPEAK

V mA V mA mV °C °C

Electrical Characteristics

Unless otherwise specified, TA = 25°C, VIN =V+= VC = 12V, V-=O,VOUT = 5V, IL =1mA, RSC = 0, CI = 100pF, CREF=0 and divider impedance as seen by error amplifier connected as shown in figure 1

Parameter

Line Regulation

Load Regulation

Ripple Rejection Average Temperature Coefficient of Output Voltage Short Circuit Current Limit Reference Voltage Output Noise Voltage

Long-term Stability Standby Current Drain Input Voltage Range Output Voltage Range Input-Output Voltage Differential
Ordering Information

Product Number KA723 KA723D

Package 14-DIP 14-SOP

Operating Temperature 0 ~ +70°C

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.
11/22/02 0.0m 001 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 KA723 Datasheet file may be downloaded here without warranties.

Datasheet ID: KA723 634125