TPS2559-Q1 Datasheet, PDF (5/27 Pages) Texas Instruments – Precision Adjustable Current-Limited Power-Distribution Switch

www.ti.com
TPS2559-Q1
SLVSD03 – DECEMBER 2015
7.5 Electrical Characteristics
Conditions are –40°C ≤ T_J ≤ 125°C, 2.5 V ≤ V_IN ≤ 6.5 V, V_(EN) = V_IN, R_(ILIM) = 49.9 kΩ. Positive current are into pins. Typical
value is at 25°C. All voltages are with respect to GND (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
POWER SWITCH
R_DS(on) Input - Output Resistance⁽¹⁾
ENABLE INPUT EN
T_J = 25°C
-40°C ≤ T_J ≤ 125°C
13
16
mΩ
21
EN turn on/off threshold
Hysteresis
0.66
55 ⁽²⁾
1.1 V
mV
I_(EN)
Input current
CURRENT LIMIT
V_(EN) = 0 V or V_(EN) = 6.5 V
–1
1 µA
I_OS
OUT short circuit current limit
SUPPLY CURRENT
R_(ILIM) = 24.9 kΩ
R_(ILIM) = 44.2kΩ
R_(ILIM) = 49.9kΩ
R_(ILIM) = 61.9 kΩ
R_(ILIM) = 100 kΩ
ILIM pin short to GND (R_(ILIM) = 0)
4490 4730 4931
2505 2660 2805
2215 2360 2490
mA
1780 1900 2015
1080 1180 1265
5860 6700 7460
I_{(IN_OFF)} Disabled, IN supply current
I_{(IN_ON)} Enabled, IN supply current
I_(REV) Reverse leakage current
UNDERVOLTAGE LOCKOUT
V_(EN) = 0 V, No load on OUT
R_(ILIM) = 100 kΩ, no load on OUT
R_(ILIM) = 24.9 kΩ, no load on OUT
V_OUT = 6.5 V, V_IN = 0 V, T_J = 25°C,
Measure I_OUT
0.1
2 µA
97 125
µA
107 135
0.01
1 µA
V_UVLO
IN rising UVLO threshold voltage
Hysteresis
2.36 2.45 V
35 ⁽²⁾
mV
FAULT
V_OL
Output low voltage
Off-state leakage
THERMAL SHUTDOWN
I_FAULT = 1 mA
V_FAULT = 6.5 V
180 mV
1 µA
OTSD2 Thermal shutdown threshold
OTSD1 Thermal shutdown threshold in current-limit
Hysteresis
155
°C
135
20 ⁽²⁾
(1) Pulse-testing techniques maintain junction temperature close to ambient temperature. Thermal effects must be taken into account
separately
(2) These parameters are provided for reference only, and don’t constitute part of TI’s published device specifications for purposes of TI’s
product warranty.
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: TPS2559-Q1
Submit Documentation Feedback
5