POWER&RF Positive LDO regulator IC with shunt IC TK717xxS-G DESCRIPTION The TK717xxS-G is a low dropout linear regulator with on/off control, which can supply 200mA load current. The output voltage, trimmed with high accuracy, is available from 1.5 to 5.0V in 0.1V steps. TK717xxS-G200mA on/offIC 1.5V5.0V 0.1V FEATURES Output Shunt Function High Precision Output Voltage of 1.5% or 50mV Superior Phase Compensation to Previous Model Very Good Stability: Ceramic capacitor can be used. Very Low Dropout Voltage: VDROP=65mV at IOUT=50mA Active High On/off Control Excellent Ripple Rejection Ratio: -80dB at 1kHz Very Low Noise with Noise Pass Pin Short Circuit Protection (Over Current Protection) Thermal Shutdown (Over Heat Protection) Reverse Bias Protection : 1.5% or 50mV : : VDROP=65mV at IOUT=50mA on/off: High-On : -80dB at 1kHz () () APPLICATIONS Battery Powered Systems Mobile Communication Systems: Cordless Phone, GSM, PHS, PDC, CDMA, Base Station of Mobile Phones etc. Industrial Equipment: Personal Computer, Barcode Reader etc. Measurement System etc. : GSMPHSPDCCDMA etc. : etc. etc PACKAGE OUTLINE Part name Package ORDERING INFORMATION Marking Pin configuration Ordering information T K 7 1 7 x x S C L - G TK717xxS-G SOT23-5 xxK Voltage code Ex. 2.5V:25, 5.0V:50 Package code S: SOT23-5 See next page Environment code G: Lead free Storage direction L: Left type Temperature range C: T A=25C * "xx" means voltage code. "xx" ABSOLUTE MAXIMUM RATINGS Parameter Operating Voltage Range Symbol VOP Operating Temperature Range TOP Power Dissipation PD Rating 1.8 to 14.0 -30 to +80 -40 to +85 500 Unit Remarks V C C spec I spec mW 2005 SPRING POWER&RF ELECTRICAL CHARCTERISTICS VIN=VOUT.TYP+1V, VCONT=1.8V, TA=25C Units Conditions MIN MAX 130 mV IOUT=50mA When VOUT down 0.3V(VOUT0.3V Maximum Output Current *2 IOUT.MAX 280 370 mA ) Quiescent Current IQ 72 110 IOUT=0mA A Standby Current ISTB 0.0 0.1 VCONT=0V A IGND 0.8 1.5 mA IOUT=50mA Ground Pin Current 0.86 2.5 VCONT=1.8V Control Current ICONT A 1.6 VOUT on state VCONT V Control Voltage 0.6 VOUT off state *1 For VOUT2.0V, no regulations 2.0V. *2 The maximum output current is limited by power dissipation. . Parameter Dropout Voltage *1 Symbol Vdrop Value TYP 65 BLOCK DIAGRAM VIN 1 Control Circuit 1F Control on 3 Overheat & Over Current Protection 1F Constant Current Source 2 700k GND VOUT 5 Bandgap Reference Auto Discharge Circuit 4 NP 0.01F 2005 SPRING