Datasheet

PRODUCTPREVIEW
TPS65186
SLVSB04 –JULY 2011 www.ti.com
RECOMMENDED EXTERNAL COMPONENTS
PART NUMBER VALUE SIZE MANUFACTURER
INDUCTORS
LQH44PN4R7MP0 4.7 µH 4 mm x 4 mm x 1.65 mm Murata
NR4018T4R7M 4.7 µH 4 mm x 4 mm x 1.8 mm Taiyo Yuden
VLS252015ET-2R2M 2.2 µH 2 mm x 2.5 mm x 1.5 mm TDK
NR4012T2R2M 2.2 µH 4 mm x 4 mm x 1.2 mm Taiyo Yuden
CAPACITORS
GRM21BC81E475KA12L 4.7 µF, 25 V, X6S 0805 Murata
GRM32ER71H475KA88L 4.7 µF, 50 V, X7R 1210 Murata
All other caps X5R or better
DIODES
BAS3010 SOD-323 Infineon
MBR130T1 SOD-123 ON-Semi
BAV99 SOT-23 Fairchild
THERMISTOR
NCP18XH103F03RB 10 KΩ 0603 Murata
ELECTRICAL CHARACTERISTICS
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
INPUT VOLTAGE
V
IN
Input voltage range 3 3.7 6 V
V
UVLO
Undervoltage lockout threshold V
IN
falling 2.9 V
V
HYS
Undervoltage lockout hysteresis V
IN
rising 400 mV
INPUT CURRENT
I
Q
Operating quiescent current into V
IN
Device switching, no load 5.5 mA
I
STD
Operating quiescent current into V
IN
Device in standby mode 130 µA
I
SLEEP
Shutdown current Device in sleep mode 3.5 10 µA
INTERNAL SUPPLIES
VI
NT_LDO
Internal supply 2.7 V
C
INT_LDO
Nominal output capacitor Capacitor tolerance ±10% 1 4.7 µF
V
REF
Internal supply 2.25 V
C
REF
Nominal output capacitor Capacitor tolerance ±10% 3.3 4.7 µF
DCDC1 (POSITIVE 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
(1)
A
I
LIMIT
Switch current accuracy -30 30 %
f
SW
Switching frequency 1 MHz
L
DCDC1
Inductor 2.2 µH
C
DCDC1
Nominal output capacitor Capacitor tolerance ±10% 1 2x4.7 µF
ESR Output capacitor ESR 20 mΩ
(1) Contact factory for 1-A, 2-A, or 2.5-A option.
6 Copyright © 2011, Texas Instruments Incorporated