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KA723

Fairchild
Part Number KA723
Manufacturer Fairchild
Description Precision Voltage Regulator
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA723 Precision Voltage Regulator Features • • • • Positive or Negative Supply Operation 0.01% l...
Datasheet PDF File KA723 PDF File

KA723
KA723

Overview
www.
fairchildsemi.
com KA723 Precision Voltage Regulator Features • • • • Positive or Negative Supply Operation 0.
01% line and load regulation Output voltage adjustable from 2V to 37 V Output current to 150mA without external pass transistor Description 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 1 14-SOP 1 Internal Block Diagram INVERT INPUT 4 FREQUENCY COMPENS 12 11 +Vcc 12 TEMP.
COMPENS ZENER Vo REF AMP ERROR AMP SERIES PASS TRANSISTOR Vo VREF 6 -Vcc 7 5 NON INVERT INPUT 5 3 9 Vz CURRENT CURRENT LIMIT SENSE Rev.
5.
0 ©2000 Fairchild Semiconductor International 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 Voltage Between Non-Inverting Input and VCurrent from VZ Current from VREF Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VI(P) VI V I - VO IO VID VIE IZ IREF PD TOPR TSTG Value 50 40 40 150 ±5 8 25 15 1000 0 ~ +70 -65 ~ + 150 Unit VPEAK V V mA V V mA 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 ≤10KΩ connected as shown in figure 1) Parameter Line Regulation Symbol ∆ VO Conditions VI = 12V to 15V VI = 12V to 40V TMIN ≤TA≤TMAX VI = 12V to 15V IO = 1mA to 50mA Load Regulation ∆ VO dB ∆VO/∆T ISC VREF VN ST ID VI VO VD TMIN ≤T≤TMAX IO = 1 to 50mA f = 100Hz to 10KHz,CREF =0 f = 100Hz to 10KHz,CREF =5µF TMIN ≤T≤TMAX RSC = 10Ω, VO = 0 f = 100Hz to 10KHz, CREF = 0 f = 100Hz to 10KHz, CREF=5µF IL = 0, VI = 30V Min 6.
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