Datasheet

TPS2060, TPS2064
TPS2068, TPS2069
www.ti.com SLVS553K – MARCH 2005– REVISED MAY 2011
RECOMMENDED OPERATING CONDITIONS
(1)
MIN MAX UNIT
Input voltage, V
I(IN)
2.7 5.5 V
V
I
Input voltage, V
I(ENx)
, V
I(/ENx)
0 5.5 V
I
O
Continuous output current, I
O(OUTx)
0 1.5 A
TPS2060/64 0 105
T
J
Operating virtual junction temperature TPS2068/69 (DGN Package) –40 105 °C
TPS2068 (D Package) 0 105
(1) The PowerPad must be connected externally to GND pin to meet qualifying conditions for CB Certificate (DGN package only).
ELECTRICAL CHARACTERISTICS
0°C ≤ T
J
≤ 105°C for the TPS2060/64 and TPS2068 (D package), plus –40°C ≤ T
J
≤ 105° for the
TPS2068/69 (DGN package), V
I(IN)
= 5.5 V, I
O
= 1 A, V
I(/ENx)
= 0 V, or V
I(ENx)
= 5.5 V (unless otherwise noted).
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
POWER SWITCH
Static drain-source on-state resistance,
5-V operation and V
I(IN)
= 5 V or 3.3 V, I
O
= 1.5 A 70 115 mΩ
3.3-V operation
r
DS(on)
Static drain-source on-state resistance,
V
I(IN)
= 2.7 V, I
O
= 1.5 A 75 125 mΩ
2.7-V operation
V
I(IN)
= 5.5 V 0.6 1.5
t
r
Rise time, output
V
I(IN)
= 2.7 V 0.4 1
C
L
= 1 μF,
T
J
= 25°C ms
R
L
= 5 Ω
V
I(IN)
= 5.5 V 0.05 0.5
t
f
Fall time, output
V
I(IN)
= 2.7 V 0.05 0.5
ENABLE INPUT EN OR EN
V
IH
High-level input voltage 2.7 V < V
I(IN)
< 5.5 V 2
V
V
IL
Low-level input voltage 2.7 V < V
I(IN)
< 5.5 V 0.8
I
I
Input current V
I(/ENx)
= 0 V or 5.5 V, V
I(ENx)
= 0 V or 5.5 V -0.5 0.5 μA
t
on
Turnon time C
L
= 100 μF, R
L
= 5 Ω 3
ms
t
off
Turnoff time C
L
= 100 μF, R
L
= 5 Ω 10
CURRENT LIMIT
V
I(IN)
= 5 V, OUT connected to GND, device enabled into
I
OS
Short-circuit output current 1.6 2.1 2.6 A
short-circuit
TPS2060/64 3.2 3.9
V
I(IN)
= 5 V, Current ramp
I
OC_TRIP
Overcurrent trip threshold A
(≤ 100 A/s) on OUT
TPS2068/69 2.3 2.85 3.4
V
I(IN)
= 5 V, OUT1 and OUT2 connected to GND, Device enabled
I
OS
(2)
Short-circuit output current 3.2 4.2 5.2 A
into short-circuit, current measured at V
I(IN)
Overcurrent trip threshold V
I(IN)
= 5 V, Current ramp (≤ 100 A/s) on OUT1 and OUT2 tied
6.4 7.8 A
I
OC_TRIP
(2)
TPS2060/64 together, current measured at V
I(IN)
T
J
= 25°C 0.5 1
No load on OUT, V
I(/ENx)
= 5.5 V,
I
OL
Supply current, low-level output μA
or V
I(ENx)
= 0 V
Over T
J
range 0.5 5
T
J
= 25°C 50 70
Supply current, high-level output No load on OUT, V
I(/ENx)
= 0 V,
I
OH
μA
TPS2060/64 or V
I(ENx)
= 5.5 V
Over T
J
range 50 90
T
J
= 25°C 43 60
Supply current, high-level output No load on OUT, V
I(/ENx)
= 0 V,
I
OH
μA
TPS2068/69 or V
I(ENx)
= 5.5 V
Over T
J
range 43 70
OUT connected to ground, V
I(/ENx)
= 5.5 V,
I
lkg
Leakage current 1 μA
or V
I(ENx)
= 0 V
Reverse leakage current V
I(OUTx)
= 5.5 V, IN = ground T
J
= 25°C 0.2 μA
UNDERVOLTAGE LOCKOUT
Low-level input voltage, IN 2 2.5 V
Hysteresis, IN T
J
= 25°C 75 mV
(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
(2) This configuration has not been tested for UL certification.
Copyright © 2005–2011, Texas Instruments Incorporated 3