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TPS65800RTQT Datasheet(PDF) 11 Page - Texas Instruments |
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TPS65800RTQT Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 98 page  www.ti.com ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS TPS65800 SLVS606C – SEPTEMBER 2005 – REVISED FEBRUARY 2007 Over recommended operating conditions (typical values at T J = 25°C), application circuit as in Figure 3 (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SELECTABLE OUTPUT VOLTAGE LDOS: LDO1, LDO2 I(LDO1,2) = –1 mA 15 Quiescent current, either LDO1 IQ(LDO12) IQ(LDO12) = I(VIN_LDO02) µA or LDO2 enabled, LDO0 disabled I(LDO1,2) = –150 mA 160 IO(LDO1,2) Output current range 150 mA Available output voltages: VO(LDO1,2)TYP = 1.25, 1.5, 1.8, V Output voltage, selectable via I2C. 2.5, 2.85, 3, 3.2, 3.3 Dropout voltage, 150 mA load 300 mV VO(LDO1,2) LDO1, LDO2 output voltage Total accuracy, V(VIN_LDO02) = 3.65 V –3% 3% Line regulation, 100-mA load, –1% 1% V(VIN_LDO02): V(LDO1,2)TYP + 0.5 V → 4.7 V Load regulation, load: 10 mA → 150 mA –1.5% 1.5% V(VIN_LDO02) > VO(LDO1,2) TYP + 0.5 V PSR(LDO12) PSRR at 20 kHz 150-mA load at output, V(VIN_LDO02) – VO(LDO1,2) = 1 V 40 dB ISC(LDO1,2) LDO1&2 short-circuit current limit Output grounded 300 mA RDCH(LDO1,2) Discharge resistor 300 Ω LDO disabled by I2C command ILKG(LDO1,2) Leakage current LDO off 2 µA tSSLDO1,2 Soft start ramp time 500 µs tSS_DELAYLDO1,2 Startup delay Measured from the time when the enable bit is set 20 µs SIM LINEAR REGULATOR IQ(SIM) Quiescent current Internally connected to OUT pin 20 µA IO(SIM) Output current range 8 mA Available output voltages: Output voltage, selectable via I2C. VO(SIM)TYP = 1.8 or 3 V Dropout voltage, 8-mA load 0.2 Total accuracy, V(OUT): 3.2 V to 4.7 V, 8 mA –5% 5% VO(SIM) SIM LDO output voltage Load regulation, load: 1 mA → 8 mA, –3% 3% V(OUT) > VO(SIM) TYP + 0.5 V Line regulation, 5 mA load, V(OUT): –2% 2% VO(SIM) TYP + 0.5 V → 4.7 V ISC(SIM) Short Circuit current limit Output grounded 20 mA ILKG(SIM) Leakage current LDO off 1 µA PROGRAMMABLE OUTPUT VOLTAGE LDO’S: LDO3, LDO4, LDO5 Quiescent current, only one of IQ(LDO35) IQ(LDO35) = I(VIN_LDO35) 70 µA LDO3, LDO4, LDO5 is enabled IO(LDO35) Output current range 100 mA Available output voltages: VO(LDO35)TYP = 1.224 V to V Output voltage, selectable via I2C 4.46 V, 25 mV steps Dropout voltage, 100-mA load 240 mV LDO3, LDO4, LDO5 output Total accuracy, 100-mA load V(VIN_LDO35) = 5 V –3% 3% VO(LDO35) voltage Load regulation, V(VIN_LDO35) > VO(LDO35)TYP + Load: 1 mA → 50 mA –1% 1% 0.5 V Line regulation, 10 mA load, –1% 1% V(VIN_LDO35): VO(LDO35)TYP + 0.5 V → 4.7 V ISC(LDO35) Short-circuit current limit Output grounded 250 mA PSR(LDO35) PSRR at 10 kHz V(VIN_LDO35) > VO(LDO3,5) +1 V, 50-mA load at output 40 dB RDCH(LDO35) Discharge resistor 400 Ω LDO is disabled by I2C command ILKG(LDO35) Leakage current LDO off 1 µA tSSLDO3,5 Soft-start ramp time 120 µs tSS_DELAYLDO3,5 Startup delay Measured from the time when the enable bit is set 70 µs 11 Submit Documentation Feedback |
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