Diodes AUR9807 - Manual (Page 10)

Data Sheet
Single-cell Li-Ion Charger IC with System Power Management AUR9807
Nov. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
10
Electrical Characteristics (Continued)
T
A
=25 o C, V
IN
is within the recommended range, unless otherwise specified.
Parameter Symbol Test Condition Min Typ Max Unit
CHARGER SLEEP THRESHOLDS
Sleep-mode Entry
Threshold
V
SLPENT
V
BAT
+0.125
Sleep-mode Exit
Threshold
V
SLPEXIT
V
BAT
+0.195
mV
DE-GLITCH TIME
De-glitch Time for
Charge Done Detection,
Temperature Fault,
Recharge and Sleep
Mode Detection
t
DEG
18.75 ms
START-UP CONTROL BOOT-UP
Boot-up Time t
BOOT-UP
On the first application
of input low
120 150 180 ms
SWITCHING POWER SOURCE TIMING
Switching Power Source
from Input to Battery
t
SW-BAT
When input applied.
Measure from: [/PG: Lo
→ Hi to I
IN
>5 mA ]
50 µs
THERMAL SHUTDOWN REGULATION
Temperature Trip T
SHTDWN
T
J
(Q1 and Q3 only) 150
Thermal Hysteresis T
J
(Q1 and Q3 only) 25
Temperature Regulation
Limit
T
J(REG)
T
J
(Q2) 110 130
°C
UVLO
Under-voltage Lockout
V
UVLO
Decreasing V
IN
2.45 2.5 2.65 V
Input Power Detection
Threshold
V
IN(DT)
Input power detected
when
V
IN
>V
BAT
+ V
IN(DT)
V
BAT
=3.6V
V
IN
: 3.5V → 4V
55 80 130 mV
Hysteresis 27 mV
VREF OUTPUT
Output Regulation
Voltage
V
REF
Active only if ADP or
USB is present
3.3 V
Regulation Accuracy -5 +5 %
Output Current I
REF
20 mA
On Resistance R
DS(ON)
OUT to VREF 50 Ω
Output Capacitance C
OUT
1 µF