Datasheet

TPS63030
TPS63031
www.ti.com SLVS696B –OCTOBER 2008–REVISED MARCH 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
I
Minimum input voltage for startup 0°C ≤ T
A
≤ 85°C 1.6 1.8 1.9 V
V
I
Minimum input voltage for startup 1.6 1.8 2.0 V
V
O
TPS63030 output voltage range 1.2 5.5 V
Minimum duty cycle in step down conversion 30% 40%
TPS63030 feedback voltage 495 500 505 mV
V
FB
PS/SYNC = V
IN
TPS63031 output voltage 3.267 3.3 3.333 V
TPS63030 feedback voltage PS/SYNC = GND Referenced to 500mV -3% +6%
V
FB
TPS63031 output voltage PS/SYNC = GND Referenced to 3.3V -3% +6%
f Oscillator frequency 2200 2400 2600 kHz
Frequency range for synchronization 2200 2400 2600 kHz
I
SW
Average switch current limit V
IN
= V
INA
= 3.6 V, T
A
= 25°C 900 1000 1100 mA
High side switch on resistance V
IN
= V
INA
= 3.6 V 200 mΩ
Low side switch on resistance V
IN
= V
INA
= 3.6 V 200 mΩ
Maximum line regulation 0.5%
Maximum load regulation 0.5%
VIN and VINA 25 35 μA
Quiescent I
O
= 0 mA, V
EN
= V
IN
= V
INA
= 3.6 V,
I
q
current V
OUT
= 3.3 V
VOUT 4 6 μA
TPS63031 FB input impedance V
EN
= HIGH 1 MΩ
I
S
Shutdown current V
EN
= 0 V, V
IN
= V
INA
= 3.6 V 0.1 0.9 μA
CONTROL STAGE
V
UVLO
Under voltage lockout threshold V
INA
voltage decreasing 1.4 1.5 1.6 V
V
IL
EN, PS/SYNC input low voltage 0.4 V
V
IH
EN, PS/SYNC input high voltage 1.2 V
EN, PS/SYNC input current Clamped on GND or VINA 0.01 0.1 μA
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C
Copyright © 2008–2012, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Link(s): TPS63030 TPS63031