Datasheet
TPS82690
TPS82695
TPS82697
www.ti.com
SLVSA66B –JUNE 2011– REVISED FEBRUARY 2012
THERMAL INFORMATION
TPS82690/95/97
THERMAL METRIC
(1)
UNITS
SIP (8-Pins)
Junction-to-ambient (top) thermal resistance 125
θ
JA
Junction-to-ambient (bottom) thermal resistance 70
θ
JCtop
Junction-to-case (top) thermal resistance –
θ
JB
Junction-to-board thermal resistance – °C/W
ψ
JT
Junction-to-top characterization parameter –
ψ
JB
Junction-to-board characterization parameter –
θ
JCbot
Junction-to-case (bottom) thermal resistance –
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
V
I
Input voltage range 2.3 4.35
(1)
V
I
O
Output current range 0 500 mA
Additional output capacitance (PFM/PWM operation)
(2)
0 5 µF
Additional output capacitance (PWM operation)
(2)
0 8 µF
T
A
Ambient temperature –40 +85 °C
T
J
Operating junction temperature –40 +125 °C
(1) Operation above 4.35V input voltage for extended periods may affect device reliability. See input capacitor selection section for more
details.
(2) In certain applications larger capacitor values can be tolerable, see output capacitor selection section for more details.
ELECTRICAL CHARACTERISTICS
Minimum and maximum values are at V
I
= 2.3V to 4.35V, V
O
= 2.5V, EN = 1.8V, AUTO mode and T
A
= –40°C to 85°C; Circuit
of Parameter Measurement Information section (unless otherwise noted). Typical values are at V
I
= 3.6V, V
O
= 2.5V, EN =
1.8V, AUTO mode and T
A
= 25°C (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
I
O
= 0mA. Device not switching 24 50 μA
Operating quiescent
I
Q
TPS82690
current
I
O
= 0mA, PWM mode 4.5 mA
I
SD
Shutdown current TPS8269X EN = GND 0.5 5 μA
TPS82690
TPS82695 2.05 2.1 V
Undervoltage
UVLO
TPS82697
lockout threshold
TPS82696 2.1 2.15 V
PROTECTION
Thermal shutdown 140 °C
TPS8269X
Thermal shutdown
10 °C
hysteresis
Peak input current
I
LIM
TPS8269X 750 mA
limit
Input current limit
I
SC
under short-circuit TPS8269X V
O
shorted to ground 15 mA
conditions
ENABLE, MODE
High-level input
V
IH
1.0 V
voltage
Low-level input
V
IL
TPS8269X 0.4 V
voltage
Input leakage
Input connected to GND or VIN 0.01 1.5 μA
current
OSCILLATOR
f
SW
Oscillator frequency TPS8269X I
O
= 0mA. PWM operation. T
A
= 25°C 3.6 4 4.4 MHz
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Product Folder Link(s): TPS82690 TPS82695 TPS82697