Datasheet

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PIN ASSIGNMENTS
RSA Package
(Top View)
LBOVOUT
VOUT
EN
SYNC
LBI
NC
SW
SW
VOUT
FB
GND
PGND
VBAT
PGND PGND
TPS61090
TPS61091, TPS61092
SLVS484A – JUNE 2003 – REVISED APRIL 2004
Electrical Characteristics (continued)
over recommended free-air temperature range and over recommended input voltage range (typical values are at an ambient
temperature range of 25°C) (unless otherwise noted)
DC/DC STAGE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Load regulation 0.6%
into
I
O
= 0 mA, V
EN
= VBAT = 1.8 V, VOUT =5 V 10 25 µA
VBAT
Quiescent current
into
I
O
= 0 mA, V
EN
= VBAT = 1.8 V, VOUT = 5 V 10 20 µA
VOUT
Shutdown current V
EN
= 0 V, VBAT = 2.4 V 0.1 1 µA
CONTROL STAGE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
UVLO
Under voltage lockout threshold V
LBI
voltage decreasing 1.5 V
V
IL
LBI voltage threshold V
LBI
voltage decreasing 490 500 510 mV
LBI input hysteresis 10 mV
LBI input current EN = VBAT or GND 0.01 0.1 µA
LBO output low voltage V
O
= 3.3 V, I
OI
= 100 µA 0.04 0.4 V
LBO output low current 100 µA
LBO output leakage current V
LBO
= 7 V 0.01 0.1 µA
V
IL
EN, SYNC input low voltage 0.2 × VBAT V
V
IH
EN, SYNC input high voltage 0.8 × VBAT V
EN, SYNC input current Clamped on GND or VBAT 0.01 0.1 µA
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C
Terminal Functions
TERMINAL
I/O DESCRIPTION
NAME NO.
EN 11 I Enable input. (1/VBAT enabled, 0/GND disabled)
FB 14 I Voltage feedback of adjustable versions
3