KS1117 KEXIN | Alldatasheet

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Technical content

www.kexin.com.cn 1 IC ■ Features

  • Low dropout voltage
  • Load regulation: 0.2% typic al
  • Optimized for Low Voltage
  • On-chip thermal limiting

1 Adj(GND)

2.Vout 3.Vin 1.70 0.1 0.42 0.1 0.46 0.1 ■ Absolute Maximum Ratings Ta = 25℃ Parameter Symbol Rating Unit Maximum Input Voltage Vin 18 V Power Dissipation PD Internally Limited Operating Junction Temperature Range TJ 150 ℃ Storage Temperature TST -65 to +150 ℃ Block Diagram Thermal Shutdown 1

2 Vout

1.25V + CURRENT LIMIT Vin + － GND (FIXED) Low Dropout Linear Regulator KS1117-X.X

  • Three-terminal adjustable or fixed low drop ou t
  • 0.8A Adjustable/Fixed Low Dropout Linear Regulator

www.kexin.com.cn2 IC ■ Electrical Characteristics Ta = 25℃ Testconditons Min Typ Max Unit Reference Voltage Vref KS1117-ADJ 10mA≤Iout≤800mA, 1.5V≤Vin-Vout≤12V1.225 1.250 1.275 V KS1117-ADJ Iout=10mA,1.5V≤Vin-Vout≤13.775V 0.035 0.2 % KS1117-1.2 Iout=10mA,2.6V≤Vin-Vout≤12V 9 12 mV KS1117-1.5 Iout=10mA, 2.9V≤Vin-Vout≤12V 9 12 mV KS1117-1.8 Iout=10mA, 3.2V≤Vin-Vout≤12V 9 12 mV KS1117-1.9 Iout=10mA,3.3V≤Vin-Vout≤12V 9 12 mV KS1117-2.5 Iout=10mA, 3.9V≤Vin-Vout≤12V 9 12 mV KS1117-3.3 Iout=10mA, 4.75V≤Vin-Vout≤12V 9 12 mV KS1117-5.0 Iout=10mA, 6.5V≤Vin-Vout≤12V 9 12 mV KS1117-ADJ Vin-Vout=3V,10mA≤Iout≤800mA 0.2 0.4 % KS1117-1.2 Vin=2.6V,0≤Iout≤800mA 3 10 mV KS1117-1.5 Vin=2.9V,0≤Iout≤800mA 3 10 mV KS1117-1.8 Vin=3.2V,0≤Iout≤800mA 3 10 mV KS1117-1.9 Vin=3.3V,0≤Iout≤800mA 3 10 mV KS1117-2.5 Vin=3.9V,0≤Iout≤800mA 3 10 mV KS1117-3.3 Vin=4.75V,0≤Iout≤800mA 3 10 mV KS1117-5.0 Vin=6.5V,0≤Iout≤800mA 3 10 mV △Vout,△Vref=1%,Iout=100mA 1.11 1.2 V △Vout,△Vref=1%,Iout=500mA 1.18 1.25 V △Vout,△Vref=1%,Iout=800mA 1.26 1.3 V Current Limit KS1117-XXX VIN-VOUT = 5V,Tj=25℃ 1.25 1.4 1.6 A Minimum Load Current KS1117-XXX KS1117-ADJ 5 10 mA KS1117-1.2 Vin-Vout=1.25V 4 8 mA KS1117-1.5 Vin-Vout=1.25V 4 8 mA KS1117-1.8 Vin-Vout=1.25V 4 8 mA KS1117-1.9 Vin-Vout=1.25V 4 8 mA KS1117-2.5 Vin-Vout=1.25V 4 8 mA KS1117-3.3 Vin-Vout=1.25V 4 8 mA KS1117-5.0 Vin-Vout=1.25V 4 8 mA Adjust Pin Current (Adjutable Version) Iadj 55 120 μA Adjust Pin Current Change Ichange 0.2 μA Parameter Load Regulation Output Voltage Vout Line Regulation △Vout △Vout Vin-Vout KS1117-XXX Ilimit Quiescent current Iq Dropout Voltage Mar k ing Marking 1117-X.X Low Dropout Linear Regulator KS1117-X.X

www.kexin.com.cn 3 IC Low Dropout Linear Regulator KS1117-X.X ■ Typical Characterisitics