Datasheet

TPS61097
www.ti.com SLVS872C –JUNE 2009– REVISED DECEMBER 2011
ELECTRICAL CHARACTERISTICS
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
DC/DC STAGE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage 0.9 5.5 V
V
OUT
TPS61097-33 V
IN
= 1.2 V , I
OUT
= 10 mA 3.20 3.30 3.40 V
I
SW
Switch current limit V
OUT
= 3.3 V 200 350 475 mA
Rectifying switch on resistance V
OUT
= 3.3 V 1.0 Ω
Main switch on resistance V
OUT
= 3.3 V 1.0 Ω
Bypass switch on resistance V
IN
= 1.2 I
OUT
= 100 mA 3.4 Ω
Line regulation V
IN
< V
OUT
, V
IN
= 1.2 V to 1.8 V, I
OUT
= 10 mA 0.5%
Load regulation V
IN
< V
OUT
, I
OUT
= 10 mA to 50 mA, V
IN
= 1.8 V 0.5%
V
IN
1 2.5 μA
I
Q
Quiescent current I
O
= 0 mA, V
EN
= V
IN
= 1.2 V, V
OUT
= 3.4V
V
OUT
4 6.5 μA
V
EN
= 0 V, V
IN
= 1.2 V, I
OUT
= 0 mA 0.005 0.15
I
SD
Shutdown current V
IN
μA
V
EN
= 0 V, V
IN
= 3 V, I
OUT
= 0 mA 0.005 0.15
Leakage current into L V
EN
= 0 V, V
IN
= 1.2 V, V
L
= 1.2 V 0.01 1 μA
CONTROL STAGE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
EN input current EN = 0 V or EN = V
IN
0.01 0.1 μA
V
IL
Logic low level, EN falling edge 0.65 V
VIN +
V
IH
Logic high level, EN rising edge 0.78 V
1.0 V
Overtemperature protection 150 °C
Overtemperature hysteresis 20 °C
VUVLO Undervoltage lock-out threshold for turn off VIN decreasing 0.5 0.7
Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback 3