Datasheet

TPS659110, TPS659112, TPS659113, TPS659116
SWCS049L –JUNE 2010–REVISED MARCH 2014 www.ti.com
5.12 Backup Battery Charger
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Backup battery charging current VBACKUP = 0 to 2.8 V, BBCHEN = 1 350 650 900 µA
End-of-charge backup battery
VCC5 = 3.6 V, I
VBACKUP
= –10 µA, BBSEL = 10 –3% 3.15 +3%
voltage
VCC5 = 3.6 V, I
VBACKUP
= –10 µA, BBSEL = 00 –3% 3 +3%
VCC5 = 3.6 V, I
VBACKUP
= –10 µA, BBSEL = 01 –3% 2.52 +3%
V
VBAT –
VCC5 = 3.6 V, I
VBACKUP
= –10 µA, BBSEL = 11 VBAT
0.3 V
VBAT –
VCC5 = 3.0 V, I
VBACKUP
= –10 µA, BBSEL = 10 VBAT
0.2 V
Ground current On mode 10 µA
5.13 VRTC LDO
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input voltage V
IN
(VCC7) On mode 2.5 5.5
V
Backup mode 1.9 3
DC output voltage V
OUT
On mode, 3.0 V < V
IN
< 5.5 V 1.78 1.83 1.88
V
Backup mode, 2.3 V ≤ V
IN
≤ 2.6 V 1.72 1.78 1.84
Rated output current I
OUTmax
On mode 20
mA
Backup mode 0.1
DC load regulation On mode, I
OUT
= I
OUTmax
to 0 100
mV
Backup mode, I
OUT
= I
OUTmax
to 0 100
DC line regulation On mode, V
IN
= 3.0 V to V
INmax
@ I
OUT
= I
OUTmax
2.5
mV
Backup mode, V
IN
= 2.3 V to 5.5 V @ I
OUT
=
100
I
OUTmax
Transient load regulation On mode, V
IN
= V
INmin
+ 0.2 V to V
INmax
50
(1)
mV
I
OUT
= I
OUTmax
/2 to I
OUTmax
in 5 µs
and I
OUT
= I
OUTmax
to I
OUTmax
/2 in 5 µs
Transient line regulation On mode, V
IN
= V
INmin
+ 0.5 V to V
INmin
in 30 µs 25
(1)
mV
And V
IN
= V
INmin
to V
INmin
+ 0.5 V in 30 µs, I
OUT
=
I
OUTmax
/2
I
OUT
= 0, V
IN
rising from 0 up to 3.6 V, @ V
OUT
=
Turn-on time 2.2 ms
0.1 V up to V
OUTmin
V
IN
= V
INDC
+ 100 mV
pp
tone, V
INDC+
= V
INmin
+
Ripple rejection
0.1 V to V
INmax
@ I
OUT
= I
OUTmax
/2
f = 217 Hz 55
dB
f = 50 kHz 35
Ground current Device in ACTIVE state 23
µA
Device in BACKUP or OFF state 3
(1) These parameters are not tested. They are used for design specification only.
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