Datasheet

TPS61030
TPS61031, TPS61032
www.ti.com
SLUS534E SEPTEMBER 2002REVISED JANUARY 2012
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
I
Input voltage range 1.8 5.5 V
V
O
TPS61030 output voltage range 1.8 5.5 V
V
FB
TPS61030 feedback voltage 490 500 510 mV
f Oscillator frequency 500 600 700 kHz
Frequency range for synchronization 500 700 kHz
Switch current limit VOUT= 5 V 3600 4000 4500 mA
Start-up current limit 0.4 x I
SW
mA
SWN switch on resistance VOUT= 5 V 55 m
SWP switch on resistance VOUT= 5 V 55 m
Total accuracy -3% 3%
Line regulation 0.6%
Load regulation 0.6%
I
O
= 0 mA, V
EN
= VBAT = 1.8 V,
VBAT 10 25 µA
VOUT =5 V
Quiescent current
I
O
= 0 mA, V
EN
= VBAT = 1.8 V,
VOUT 10 20 µA
VOUT = 5 V
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
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