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DLPA3000DPFDR Datasheet(PDF) 11 Page - Texas Instruments |
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DLPA3000DPFDR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 75 page DLPA3000 www.ti.com DLPS052 – OCTOBER 2015 Electrical Characteristics (continued) over operating free-air temperature range. VIN = 12 V, TA = 0 to +70°C, typical values are at TA = 25°C, configuration according to Typical Applications (VIN =12 V, IOUT = 6 A, LED, internal FETs) (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DMD type TRP, recommended value (use same or smaller value as output capacitors 470 C Output capacitor nF VOFFSET / VRESET) tDISCHARGE <40 µs at VIN = 8 V 470 VRESET REGULATOR VRST Output voltage DMD type TRP –14 V DC output voltage accuracy DMD type TRP, IOUT= 10 mA -0.3 0.3 V DC Load regulation DMD type TRP, IOUT= 0 to 10 mA –4 V/A DMD type TRP, IOUT= 10 mA, DRST_VIN = 8 DC Line regulation –2 mV/V to 20 V VRIPPLE Output ripple DMD type TRP, IOUT= 10 mA, COUT= 1 µF 120 mVpp IOUT Output current DMD type TRP 0.1 10 mA PGOOD Power-good threshold 90% DMD type TRP, recommended value (use 1 same value as output capacitor on VOFFSET) C Output capacitor µF tDISCHARGE <40 µs at VIN = 8 V 1 DMD - BUCK CONVERTERS OUTPUT VOLTAGE VPWR_1_VOUT Output Voltage DMD type TRP 1.1 V VPWR_2_VOUT Output Voltage DMD type TRP 1.8 V DC output voltage accuracy DMD type TRP, IOUT= 0 mA –3% 3% MOSFET RON,H High side switch resistance 25°C, VPWR_1,2_Boost – VPWR1,2_SWITCH = 5.5 V 150 m Ω RON,L Low side switch resistance(3) 25°C 85 m Ω LOAD CURRENT Allowed load current(4). 3 A IOCL Current limit(3) LOUT= 3.3 μH 3.2 3.6 4.2 A ON-TIME TIMER CONTROL tON On time VIN = 12 V, VO = 5 V 120 ns tOFF(MIN) Minimum off time(3) TA = 25°C, VFB = 0 V 270 ns START-UP Soft start 1 2.5 4 ms PGOOD RatioOV Overvoltage protection 120% RatioPG Relative power good level Low to High 72% ILLUMINATION - LDO ILLUM VILLUM_VIN 6 12 20 V VILLUM_5P5V 5.5 V Rising 80% PGOOD Power good ILLUM_5P5V Falling 60% Overvoltage protection OVP 7.2 V ILLUM_5P5V Regulator dropout At 25 mA, VILLUM_VIN = 5.5 V 53 mV Regulator current limit(3) 300 340 400 mA (3) Not production tested. (4) Care should be taken not to exceed the max power dissipation. Please refer to Thermal Considerations. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 11 |
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