Datasheet

2.5VLDOREGULATOR
(1)
INTERNALTEMPERATURESENSORCHARACTERISTICS
HIGHFREQUENCYOSCILLATOR
bq27510-G1
SLUS927–APRIL2009..................................................................................................................................................................................................... www.ti.com
T
A
=–40°Cto85°C,C
REG
=0.47µF,2.45V<V
REGIN
=V
BAT
<5.5V;typicalvaluesatT
A
=25°CandV
REGIN
=V
BAT
=3.6V
(unlessotherwisenoted)
PARAMETERTESTCONDITIONMINNOMMAXUNIT
2.7V≤V
REGIN
≤5.5V,T
A
=–40°Cto85°C2.422.482.57V
I
OUT
≤16mA
V
REG25
Regulatoroutputvoltage
2.45V≤V
REGIN
<2.7V(lowT
A
=–40°Cto85°C2.40V
battery),I
OUT
≤3mA
2.7V,I
OUT
≤16mAT
A
=–40°Cto85°C280mV
V
DO
Regulatordropoutvoltage
2.45V,I
OUT
≤3mA50
ΔV
REGTEMP
RegulatoroutputchangeV
REGIN
=3.6V,I
OUT
=16mAT
A
=–40°Cto85°C0.3%
withtemperature
ΔV
REGLINE
Lineregulation2.7V≤V
REGIN
≤5.5V,I
OUT
=16mA1125mV
ΔV
REGLOAD
Loadregulation0.2mA≤I
OUT
≤3mA,V
REGIN
=2.45V3440mV
3mA≤I
OUT
≤16mA,V
REGIN
=2.7V31
I
SHORT
(2)
ShortcircuitcurrentlimitV
REG25
=0VT
A
=–40°Cto85°C250mA
(1)LDOoutputcurrent,IOUT,isthesumofinternalandexternalloadcurrents.
(2)Assuredbydesign.Notproductiontested.
T
A
=–40°Cto85°C,C
REG
=0.47µF,2.45V<V
REGIN
=V
BAT
<5.5V;typicalvaluesatT
A
=25°CandV
REGIN
=V
BAT
=3.6V
(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
G
TEMP
Temperaturesensorvoltagegain–2mV/°C
T
A
=–40°Cto85°C,C
REG
=0.47µF,2.45V<V
REGIN
=V
BAT
<5.5V;typicalvaluesatT
A
=25°CandV
REGIN
=V
BAT
=3.6V
(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
f
OSC
Operatingfrequency2.097MHz
T
A
=0°Cto60°C–2.0%0.38%2.0%
f
EIO
Frequencyerror
(1)(2)
T
A
=–20°Cto70°C–3.0%0.38%3.0%
T
A
=–40°Cto85°C-4.5%0.38%4.5%
t
SXO
Start-uptime
(3)
2.55ms
(1)Thefrequencyerrorismeasuredfrom2.097MHz.
(2)ThefrequencydriftisincludedandmeasuredfromthetrimmedfrequencyatV
CC
=2.5V,T
A
=25°C.
(3)Thestartuptimeisdefinedasthetimeittakesfortheoscillatoroutputfrequencytobe±3%oftypicaloscillatorfrequency.
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