Datasheet

PRODUCTPREVIEW
TPS65186
www.ti.com SLVSB04 –JULY 2011
ELECTRICAL CHARACTERISTICS (continued)
V
IN
= 3.7 V, T
A
= –10°C to 85ºC, Typical values are at T
A
= 25ºC (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DCDC2 (INVERTING BUCK-BOOST REGULATOR)
V
IN
Input voltage range 3 3.7 6 V
Power good threshold Fraction of nominal output voltage 90 %
PG
Power good time-out Not tested in production 50 ms
Output voltage range -16 V
V
OUT
DC set tolerance -4.5 4.5 %
I
OUT
Output current 250 mA
R
DS(ON)
MOSFET on resistance V
IN
= 3.7 V 350 mΩ
Switch current limit 1.5
(2)
A
I
LIMIT
Switch current accuracy -30 30 %
L
DCDC1
Inductor 4.7 µH
C
DCDC1
Nominal output capacitor Capacitor tolerance ±10% 1 3x4.7 µF
ESR Capacitor ESR 20 mΩ
LDO1 (VPOS)
V
POS_IN
Input voltage range 15.2 16 16.8 V
Power good threshold Fraction of nominal output voltage 90 %
PG
Power good time-out Not tested in production 50 ms
V
IN
= 16 V,
V
SET
Output voltage set value 14.25 15 15 V
VSET[2:0] = 0x3h to 0x6h
V
INTERVAL
Output voltage set resolution V
IN
= 16 V 250 mV
V
OUTTOL
Output tolerance V
SET
= 15 V, I
LOAD
= 20 mA -1 1 %
V
DROPOUT
Dropout voltage I
LOAD
= 120 mA 250 mV
V
LOADREG
Load regulation – DC I
LOAD
= 10% to 90% 1 %
I
LOAD
Load current range 120 mA
I
LIMIT
Output current limit 120 mA
C
LDO1
Nominal output capacitor Capacitor tolerance ±10% 1 4.7 µF
LDO2 (VNEG)
V
NEG_IN
Input voltage range 16.8 16 -15.2 V
Power good threshold Fraction of nominal output voltage 90 %
PG
Power good time-out Not tested in production 50 ms
V
IN
= –16 V
V
SET
Output voltage set value -15 -15 -14.25 V
VSET[2:0] = 0x3h to 0x6h
V
INTERVAL
Output voltage set resolution V
IN
= –16 V 250 mV
V
OUTTOL
Output tolerance V
SET
= –15 V, I
LOAD
= –20 mA -1 1 %
V
DROPOUT
Dropout voltage I
LOAD
= 120 mA 250 mV
V
LOADREG
Load regulation – DC I
LOAD
= 10% to 90% of I
LOAD,MAX
1 %
I
LOAD
Load current range 120 mA
I
LIMIT
Output current limit 120 mA
C
LDO2
Nominal output capacitor Capacitor tolerance ±10% 1 4.7 µF
(2) Contact factory for 1-A, 2-A, or 2.5-A option.
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