WL2805N-3 KEXIN | Alldatasheet

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Technical content

www.kexin.com.cn 1 IC Low Power Consumption, CMOS LDO ■ Features

  • Quiescent current : 3μA Typ.
  • Input voltage : 2.3V ~ 5.5V
  • Output voltage : 1.2V ~ 3.3V
  • Output current : 250mA @ VOUT>2V
  • Output current : 100mA @ VOUT≤2V
  • Dropout voltage : 100mV @ 100mA
  • Recommend capacitor : 1uF 1.GND 2.VOUT 3.VIN VREF VIN VOUT ■ Absolute Maximum Ratings Ta = 25℃ WL2805N Series Parameter Symbol Rating Unit Input Voltage Range VIN -0.3 to 6 Input Voltage VIN 2.3 to 5.5 VEN Range VEN -0.3 to VIN Output Voltage Range VOUT -0.3 to VIN Power Dissipation PGM 300 mW Thermal Resistance Junction to Ambient RthJA 417 ℃/W Lead Temperature TL 260 Operating Temperature Range TOPR -40 to 85 Junction Temperature TJ 150 Storage Temperature Range Tstg -55 to 150 V 0.4+0.1 -0.1 2.9+0.2 -0.1 0.95+0.1 -0.1 1.9+0.1 -0.2 2.8 +0.2 -0.1 +0.2 -0.1 1 2 Unit: mmSOT-23-3 1.6 0.4 0.15 +0.02 -0.02 0.55 0-0.1 0.68 +0.1 -0.1 1.1 +0.2 -0.1

www.kexin.com.cn2 IC Low Power Consumption, CMOS LDO WL2805N Series ■ Electrical Characteristics (VIN = VOUT +1V, CIN=COUT=1uF, Ta=25°C, unless otherwise noted) Parameter Symbol Test Conditions Min Typ. Max Unit 1.17 1.2 1.23 1.27 1.3 1.33 1.47 1.5 1.53 1.764 1.8 1.836 2.45 2.5 2.55 2.744 2.8 2.856 2.94 3 3.06 3.234 3.3 3.366 IOUT =30mA, VOUT=3V 30 100 IOUT =100mA, VOUT=3V 100 200 Load Regulation △VLOAD IOUT = 1~ 100mA 25 Line Regulation △VLINE VIN=VOUT+1V~6V, IOUT=40mA 0.1 %/V VOUT > 2V 250 VOUT ≤ 2V 100 Output short current limiter ILIM VOUT=GND 150 Quiescent Current IQ VIN = VOUT +1V, IOUT=0A 3 5 uA Vp-p=1V, F=100Hz, IOUT=10mA -50 Vp-p=1V, F=1KHz, IOUT=10mA -30 mA Power Supply Ripple Rejection PSRR dB Output Voltage VOUT VIN = VOUT +1V , IOUT=1mA V Dropout Voltage VDROP mV Output Current IOUT ■ hFE ClassificationMarking NO WL2805N12 WL2805N13 WL2805N15 WL2805N18 Marking F12* F13* F15* F18* ■ Typical Applications 3VIN 1uF VOUT 1uF WL2805N12 WL2805N13 WL2805N15 WL2805N18 WL2805N25 WL2805N28 WL2805N30 WL2805N33 NO WL2805N25 WL2805N28 WL2805N30 WL2805N33 Marking F25* F28* F30* F33*

www.kexin.com.cn 3 IC Low Power Consumption, CMOS LDO ■ Typical Characterisitics Quiescent Current vs. Input Voltage Output Voltage vs. Input Voltage Dropout Voltage vs. Output Current Quiescent Current vs. Input Voltage Output Voltage vs. Input Voltage Dropout Voltage vs. Output Current 0 1 2 3 4 5 6 VOUT=3.0V Quiescent Current (uA) Input Voltage (V) 0 1 2 3 4 5 6 Quiescent Current (uA) Input Voltage (V) VOUT=3.3V 0 1 2 3 4 5 6 VOUT=3.0V IOUT=100mA Output Voltage (V) Input Voltage (V) 0 1 2 3 4 5 6 VOUT=3.3V IOUT=100mA Output Voltage (V) Input Voltage (V) 0 50 100 150 200 250 300 100 150 200 250 300 VOUT=3.0V Dropout Voltage (V) Output Current (mA) 0 50 100 150 200 250 300 100 150 200 250 300 VOUT=3.3V Dropout Voltage (V) Output Current (mA) WL2805N Series

www.kexin.com.cn4 IC Low Power Consumption, CMOS LDO ■ Typical Characterisitics Output Short Protection Output Voltage vs. Temperature PSRR vs. Frequency Output Short Protection Output Voltage vs. Temperature PSRR vs. Frequency 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VOUT=3.0V O C O C Output Voltage (V) Output Current (mA) -40 O C 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VOUT=3.3V O C O C Output Voltage (V) Output Current (mA) -40 O C -50 -25 0 25 50 75 100 125 2.95 2.96 2.97 2.98 2.99 3.00 3.01 3.02 VOUT=3.0V IO=100mA IO=40mA Output Voltage (V) Temperature ( o IO=1mA -50 -25 0 25 50 75 100 125 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 VOUT=3.3V IO=100mA IO=40mA Output Voltage (V) Temperature ( o IO=1mA 10 100 1000 10000 PSRR (dB) Frequency (Hz) VIN =4.0V VIN_Ripple =1Vp-p VOUT =3.0V IOUT =1mA 10 100 1000 10000 VIN =4.3V VIN-Ripple =1Vp-p VOUT =3.3V IOUT =1mA PSRR (dB) Frequency (Hz) WL2805N Series

www.kexin.com.cn 5 IC Low Power Consumption, CMOS LDO ■ Typical Characterisitics PSRR vs. Frequency PSRR vs. Frequency 10 100 1000 10000 VIN =4.0V VIN_Ripple =1Vp-p VOUT =3.0V IOUT =10mA PSRR (dB) Frequency (Hz) 10 100 1000 10000 VIN =4.3V VIN_Ripple =1Vp-p VOUT =3.3V IOUT =10mA PSRR (dB) Frequency (Hz) WL2805N Series