Datasheet

bq27510-G2
SLUS948 –AUGUST 2010 www.ti.com
RECOMMENDED OPERATING CONDITIONS (continued)
T
A
= 25°C, V
CC
= 2.5 V (unless otherwise noted)
PARAMETER TEST CONDITION MIN TYP MAX UNIT
V
A3
Input voltage range (SRP, SRN) V
SS
–0.125 0.125 V
t
PUCD
Power-up communication delay 250 ms
T
A
Operating free-air temperature range –40 85 °C
2.5 V LDO
(1)
T
A
= 25°C, C
REG
= 0.47 mF, V
REGIN
= 3.6 V (unless otherwise noted)
PARAMETER TEST CONDITION MIN NOM MAX UNIT
2.7 V ≤ V
REGIN
≤ 5.5 V, T
A
= –40°C to 85°C 2.4 2.5 2.6 V
I
OUT
≤ 16mA
V
REG25
Regulator output voltage
2.45 V ≤ V
REGIN
< 2.7 V (low T
A
= –40°C to 85°C 2.40 V
battery), I
OUT
≤ 3mA
2.7 V, I
OUT
≤ 16 mA T
A
= –40°C to 85°C 280 mV
V
DO
Regulator dropout voltage
2.45 V, I
OUT
≤ 3 mA 50
ΔV
REGTEMP
Regulator output change V
REGIN
= 3.6 V, I
OUT
= 16 mA T
A
= –40°C to 85°C 0.3%
with temperature
ΔV
REGLINE
Line regulation 2.7 V ≤ V
REGIN
≤ 5.5 V, I
OUT
= 16 mA 11 25 mV
ΔV
REGLOAD
Load regulation 0.2 mA ≤ I
O UT
≤ 3 mA, V
REGIN
= 2.45 V 34 40 mV
3 mA ≤ I
OUT
≤ 16 mA, V
REGIN
= 2.7 V 31
I
SHORT
(2)
Short circuit current limit V
REG25
= 0 V T
A
= –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.
POWER-ON RESET
T
A
= –40°C to 85°C, typical values at T
A
= 25°C and V
BAT
= 3.6 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT+
Positive-going battery voltage input at V
CC
2.05 2.20 2.31 V
V
HYS
Power-on reset hysteresis 45 115 185 mV
INTERNAL TEMPERATURE SENSOR CHARACTERISTICS
T
A
= –40°C to 85°C, 2.4 V < V
CC
< 2.6 V; typical values at T
A
= 25°C and V
CC
= 2.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
G
TEMP
Temperature sensor voltage gain –2 mV/°C
HIGH FREQUENCY OSCILLATOR
T
A
= –40°C to 85°C, 2.4 V < V
CC
< 2.6 V; typical values at T
A
= 25°C and V
CC
= 2.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
f
OSC
Operating frequency 2.097 MHz
T
A
= 0°C to 60°C –2.0% 0.38% 2.0%
f
EIO
Frequency error
(1) (2)
T
A
= –20°C to 70°C –3.0% 0.38% 3.0%
T
A
= –40°C to 85°C -4.5% 0.38% 4.5%
t
SXO
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 V
CC
= 2.5 V, T
A
= 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.
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