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| Semiconductor S52xxM Low Drop Output Voltage Regulator Description The S52xxM is a u-cap 150mA linear voltage regulator in the SOT-25 package. This regulator has very low dropout voltage and very low ground current. It is designed especially for hand-sets, battery-powered devices and can be controlled by a CMOS or TTL. When the S52xxM is disabled, power consumption drops to nearly zero. Features * Output current of 150 * Low quiescent current * Low dropout voltage * Current limit protection * Logic-controlled electronic enable Ordering Information Type NO. S52xxM Marking 5 : Voltage Code Package Code SOT - 25 Outline Dimensions (Unit : mm ) BLOCK DIAGRAM VI 1 Bias Circuit 5 Vo + 4 Noise Bypass Bandgap Reference Control 3 - Current Limit Circuit 2 GND PIN Connections 1. Input voltage 2. Ground 3. Control 4. Noise bypass 5. Output voltage KSI-2064-000 1 S52xxM Absolute Maximum Ratings Characteristic Input Voltage Control Voltage Power Dissipation Junction Temperature Storage Temperature Range Note 2 : No Heat sink Ta=25C Symbol VI VCT PD (Note1) PD (Note2) TJ Tstg Rating 16 16 500 150 150 -55 ~ +150 Unit V V C C Note 1 : Mount on a glass epoxy circuit board of 30x30mm Pad dimension of 50mm2 Device Selection Guide Device S5215M S5218M S5225M S5228M S5230M S5233M S5250M Output Voltage 1.5V 1.8V 2.5V 2.8V 3.0V 3.3V 5.0V KSI-2064-000 2 S52xxM Electrical Characteristics (Electrical characteristics at VI=VO+1V IO=100 , CO=4.7 , VCT2.0V TJ=25, unless otherwise specified.) , , Characteristic Symbol Device S5215M S5218M S5225M Test Condition VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 VI=(VO+1V), IO=100 1V VI -VO 10V IO=100 VI=VO+1V IO=100 ~ 150 VCT0.4V (Shutdown) IO=50 VCT=2.0V IO=50 VCT=2.0V IO=100 IO=100 Min 1.440 1.728 2.400 2.688 2.880 3.168 4.800 - Typ 1.5 1.8 2.5 2.8 3.0 3.3 5.0 0.3 8 0.01 1.5 Max 1.560 1.872 2.600 2.912 3.120 3.432 5.200 5 24 1 3.0 Unit Output Voltage VO S5228M S5230M S5233M S5250M V Line Regulation Load Regulation (Note3) Standby Current VO(VI) VO(IL) II(standby) All All All S5215M S5218M Quiescent Current (Note4) IQC S5225M S5228M S5230M S5233M S5250M S5215M S5218M - 0.8 1.5 - 400 500 500 600 Dropout Voltage (Note5) VDROP S5225M S5228M S5230M S5233M S5250M All All All All IO=100 - 140 250 Control Voltage (ON) Control Voltage (OFF) Control Current (ON) Control Current (OFF) VCT(ON) VCT(OFF) ICT(ON) ICT(OFF) VCT=2.0V VCT0.4V 1.6 2 - 5 0.01 VI 0.4 10 1 V V Note 3 : Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 0.1 to 150 . Note 4 : Quiescent current is the regulator standby current plus pass transistor base current. The total current drawn from the supply is the sum of the load current plus the quiescent current. Note 5 : Dropout voltage is defined as the input to output differential at which the output voltage Drops 2% below its nominal value measured at 1V differential. KSI-2064-000 3 S52xxM Typical Application V I 1 2 3 VCT 4 V O Fig. 1 Fixed Voltage Regulator KSI-2064-000 5 5 CBYP CO=4.7 Low- Noise Operation : CBYP=470 , CO4.7 Basic Operation : CBYP=not used, CO1 4 S52xxM Electrical Characteristic Curves (Continue) Fig. 2 VDROP vs. IO () Fig. 3 PSRR vs. Frequency Fig. 4 Turn On Time vs. CBPY Fig. 5 PSRR vs. VDROP Fig. 6 Noise vs. Io O Fig.7 Noise vs. Frequency C BYP KSI-2064-000 5 S52xxM Electrical Characteristic Curves Fig. 8 VO vs. Time Fig. 9 VO vs. Time o Fig. 10 PD vs. Ta x KSI-2064-000 6 S52xxM These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK. KSI-2064-000 7 |
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