TPS1H100-Q1
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ZHCSDD8D –OCTOBER 2014–REVISED DECEMBER 2019
Electrical Characteristics (continued)
5 V < VS < 40 V; –40°C < TJ < 150°C unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
DIAGNOSTICS
Iloss,gnd
Vol,off
Iol,off
tol,off
Loss-of-ground output leakage current
100
2.6
µA
V
Open-load detection threshold in off-
state
VIN = 0 V, When VS – VOUT < Vol,off, duration
longer than tol,off. Open load detected.
1.4
1.8
Off-state output sink current with open
load
VIN = 0 V, VS = VOUT = 13.5 V, TJ = 125°C.
–50
µA
µs
Open-load detection-threshold deglitch VIN = 0 V, When VS – VOUT < Vol,off, duration
time in off state
600
6
longer than tol,off. Open load detected.
VIN = 5 V, when IOUT < Iol,on, duration longer
than tol,on. Open load detected.
Version A only
Open-load detection threshold in on
state
Iol,on
2
10 mA
µs
VIN = 5 V, when IOUT < Iol,on, duration longer
than tol,on. Open load detected.
Version A only
Open-load detection-threshold deglitch
time in on-state
tol,on
700
IST = 2 mA
Version A only
VST
Status low output voltage
0.4
V
TSD
Thermal shutdown threshold
175
155
60
TSD,rst
Tsw
Thermal shutdown status reset
Thermal swing shutdown threshold
°C
Hysteresis for resetting the thermal
shutdown and swing
Thys
10
CURRENT SENSE (VERSION B) AND CURRENT LIMIT
K
Current sense current ratio
Current limit current ratio
500
KCL
2000
I
I
I
I
I
I
I
load ≥ 5 mA
load ≥ 25 mA
load ≥ 50 mA
load ≥ 0.1 A
load ≥ 1 A
–80
–10
–7
80
10
7
dK/K
Current-sense accuracy
%
%
–5
5
–3
3
limit ≥ 0.5 A
limit ≥ 1.6 A
–20
–14
0
20
14
4
dKCL/KCL
External current-limit accuracy(3)(4)
VCS,lin
IOUT,lin
Linear current sense voltage range(1)
Linear output current range(1)
V
V
V
S ≥ 5 V
V
A
S ≥ 5 V, VCS,lin ≤ 4 V
S ≥ 7 V
0
4
4.3
4.75
4.9
VCS,H
Current-sense fault high voltage
V
Min(VS
0.8, 4.3)
–
VS ≥ 5 V
4.9
ICS,H
Current sense fault condition current
Current limit internal threshold voltage(1)
VCS = 4.3 V, VS > 7 V
10
mA
V
VCL,th
1.233
VIN = 5 V, Rload = 10 Ω, VDIAG_EN = 0 V, TJ =
125°C
1
1
µA
µA
Current sense leakage current in
disabled mode
ICS,leak
VIN = 0 V, VDIAG_EN = 0 V, TJ = 125°C
(3) External current-limit accuracy is only applicable to overload conditions greater than 1.5× the current-limit setting.
(4) External current-limit setting is recommended to be higher than 500 mA.
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7
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