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TPS43000PWRG4 датащи(PDF) 3 Page - Texas Instruments |
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TPS43000PWRG4 датащи(HTML) 3 Page - Texas Instruments |
3 / 31 page TPS43000 SLUS489 − OCTOBER 2001 3 www.ti.com electrical characteristics over recommended operating junction temperature range, TA = −40_C to 85_C for the TPS43000, RT = 75 kΩ (500 kHz), VIN = VP = 3.5 V, VOUT = 3.1 V, COMP/FB pins shorted, BUCK-configured, TA = TJ (unless otherwise noted) VIN PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Start-up voltage VP = VOUT = 3.5 V, No load 1.45 1.65 1.85 V Undervoltage lockout (UVLO) hysteresis VP = VOUT = 3.5 V, No load No MOSFETs connected 60 150 300 mV Shutdown current SYNC/SD = 1.6 V 1 10 A Shutdown current SYNC/SD = VIN 0.5 2 µA Operating current Not in PFM mode, no MOSFETs connected 1.0 1.4 mA Sleep mode current PFM mode, COMP/FB=900 mV 75 140 µA BOOST-configured VIN operating current Not in PFM mode, no MOSFETs connected, BUCK pin grounded, VIN = 3.1 V, VP = VOUT = 3.5 V 30 75 µA BOOST-configured VIN sleep mode current PFM mode, BUCK pin grounded, VP = VOUT = 3.5 V, VIN = 3.1 V, COMP/FB=900 mV 25 60 µA VOUT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Shutdown current SYNC/SD = VIN 0 2 Operating current Not in PFM mode, no MOSFETs connected 1 5 µA Sleep mode current PFM mode, COMP/FB=900 mV 0 2 µA BOOST-configured VOUT operating current Not in PFM mode, no MOSFETs connected, BUCK pin grounded, VIN = 3.1 V, VP = VOUT = 3.5 V 1.0 1.4 mA BOOST-configured VOUT sleep mode current PFM mode, BUCK pin grounded, VP = VOUT = 3.5 V, VIN = 3.1 V, COMP/FB=900 mV 50 120 µA VP PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Shutdown current SYNC/SD = VIN 0.5 2 Operating current Not in PFM mode, no MOSFETs connected 500 800 µA Sleep mode current PFM mode, COMP/FB=900 mV 0 2 µA error amplifier PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREG, regulation voltage (COMP/FB pin) 1.8 V < VIN < 6 V 784 800 816 mV VREG, regulation voltage (COMP/FB pin) VIN = 3.5 V 788 800 812 mV FB input current VFB = 800 mV −150 −10 150 nA Sourcing current (out of COMP) VFB = (VREG − 100 mV), VCOMP = 0 V, −2.0 −0.5 mA Sinking current (into COMP) VFB = (VREG + 100 mV), VCOMP = 2 V 0.5 1.2 mA Maximum ouput voltage (COMP pin) VFB = 0 V, ICOMP = −100 µA 1.6 2.0 V Minimum output voltage (COMP pin) VFB = 2 V, ICOMP = +100 µA 70 120 mV Unity gain bandwidth See Note 1 5 MHz NOTE 1: Ensured by design. Not production tested. |
Аналогичный номер детали - TPS43000PWRG4 |
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Аналогичное описание - TPS43000PWRG4 |
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