Datasheet

TPS40140
www.ti.com SLUS660H –SEPTEMBER 2005–REVISED JUNE 2013
ELECTRICAL CHARACTERISTICS (continued)
–40°C ≤ T
J
≤ 85°C, (unless otherwise noted), V
VDD
= 7 V, V
BP5
= 5 V, UVLO_CE1, UCLO_CE2: 10 kΩ, Pullup to BP5,
f
SW
= 300 kHz, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER GOOD
PGOOD transition low threshold V
FB
rising relative to V
REF
10% 12.5% 15%
PGOOD transition low threshold V
FB
falling relative to V
REF
-15% -12.5% -10%
PGOOD trip hysteresis 2% 5%
PGOOD Delay
(1)
10 μs
Low level output voltage, VOL I
PGOOD
= 4 mA 0.35 0.4 V
PGOOD Bias Current V
PGOOD
= 5.0 V -2 1 2 μA
RAMP
Ramp Amplitude
(1)
0.421 0.5 0.526 V
VIN BALANCE
V
IN
Balance Gain, A
VB
0.23 0.25 0.27 V/V
THERMAL SHUTDOWN
Shutdown Temperature
(1)
155
°C
Hysteresis
(1)
30
DIGITAL CLOCK SIGNAL (CLKIO)
Pull-up resistance
(1)
I
OH
= 5 mA 27 Ω
Pull-down resistance
(1)
I
OL
= 10 mA 27 Ω
Output leakage
(1)
Three-state 1 μA
(1) Specified by design. Not production tested.
Copyright © 2005–2013, Texas Instruments Incorporated DEVICE RATINGS 7
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