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BQ27510DRZRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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BQ27510DRZRG4 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 39 page  2.5 V LDO REGULATOR (1) INTERNAL TEMPERATURE SENSOR CHARACTERISTICS HIGH FREQUENCY OSCILLATOR bq27510 SLUS816A – MARCH 2008 – REVISED JUNE 2008.......................................................................................................................................................... www.ti.com TA = –40°C to 85°C, CREG = 0.47 µF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted) PARAMETER TEST CONDITION MIN NOM MAX UNIT 2.7 V ≤ VREGIN ≤ 5.5 V, TA = –40°C to 85°C 2.42 2.48 2.57 V IOUT ≤ 16mA VREG25 Regulator output voltage 2.45 V ≤ VREGIN < 2.7 V (low TA = –40°C to 85°C 2.40 V battery), IOUT ≤ 3mA 2.7 V, IOUT ≤ 16 mA TA = –40°C to 85°C 280 mV VDO Regulator dropout voltage 2.45 V, IOUT ≤ 3 mA 50 ΔVREGTEMP Regulator output change VREGIN = 3.6 V, TA = –40°C to 85°C 0.3% with temperature IOUT = 16 mA ΔVREGLINE Line regulation 2.7 V ≤ VREGIN ≤ 5.5 V, IOUT = 16 mA 11 25 mV ΔVREGLOAD Load regulation 0.2 mA ≤ IOUT ≤ 3 mA, VREGIN = 2.45 V 34 40 mV 3 mA ≤ IOUT ≤ 16 mA, VREGIN = 2.7 V 31 ISHORT (2) Short circuit current limit VREG25 = 0 V, TA = –40°C to 85°C 250 mA (1) LDO output current, IOUT, is the sum of internal and external load currents. (2) Assured by design. Not production tested. TA = –40°C to 85°C, CREG = 0.47µF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT GTEMP Temperature sensor voltage gain –2 mV/°C TA = –40°C to 85°C, CREG = 0.47µF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fOSC Operating frequency 2.097 MHz TA = 0°C to 60°C –2.0% 0.38% 2.0% fEIO Frequency error(1) (2) TA = –20°C to 70°C –3.0% 0.38% 3.0% TA = –40°C to 85°C -4.5% 0.38% 4.5% tSXO Start-up time(3) 2.5 5 ms (1) The frequency error is measured from 2.097 MHz. (2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C. (3) The startup time is defined as the time it takes for the oscillator output frequency to be ±3% of typical oscillator frequency. 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): bq27510 |
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