TPS7H5005-SEP, TPS7H5006-SEP, TPS7H5007-SEP, TPS7H5008-SEP
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SLVSGG1 – FEBRUARY 2022
7.5 Electrical Characteristics: All Devices (continued)
TJ = –55°C to 125°C, VIN = 4 V to 14 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
SYNC out high-to-low fall time (10%/
90%)
SYNCFT
SYNCOL
CLOAD = 25 pF
IOL = 10 mA
IOH = 10 mA
6
17
500
0.5
ns
mV
V
SYNC out low level
VLDO –
SYNCOH
SYNC out high level (1)
EXTDT
Externally set frequency detection time RT = Open, f = 200 kHz
RT = 1.07 MΩ
20
115
µs
95
190
105
210
RT = 511 kΩ
Externally set frequency
230
FSWEXT
kHz
RT = 90.9 kΩ
900
1000
2000
1100
2300
RT = 34.8 kΩ
1700
VOLTAGE REFERENCE
Internal voltage reference initial
Measured at COMP, 25°C
0.609
0.613
0.615
tolerance
VREF
V
V
Measured at COMP, –55°C
Measured at COMP, 125°C
REFCAP = 470 nF
0.607
0.611
1.213
0.609
0.614
1.225
0.612
0.617
1.237
Internal voltage reference
REFCAP
REFCAP voltage
CURRENT SENSE, CURRENT LIMIT AND HICCUP
CCSR
COMP to CS_ILIM ratio
2.00
2.06
1.05
2.12
1.09
VCS_ILIM
Current limit (overcurrent) threshold
V
CS_ILIM = 1.3 V, COMP = 3 V,
VSENSE = REFCAP/2 V, CHICC = 3 nF,
LEB = 49.9 kΩ, fsw = 100 kHz
IHICC_DEL
Hiccup delay current
80
µA
IHICC_RST
VHICC_PU
VHICC_SD
VHICC_RST
Hiccup restart current
1
1.0
0.6
0.3
µA
V
Hiccup pull-up threshold
Hiccup shut-down threshold
Hiccup restart threshold
V
V
SLOPE COMPENSATION
fSW = 100 kHz, RSC = 1.18 MΩ
fSW = 200 kHz, RSC = 562 kΩ
fSW = 1000 kHz, RSC = 100 kΩ
fSW = 2000 kHz, RSC = 49.9 kΩ
0.033
0.066
0.333
0.666
Slope compensation
V/µs
FAULT
VFLTR
VFLTF
VFLTH
TFLT
FLT threshold rising
0.57
0.47
90
0.6
0.5
0.65
0.55
110
1.4
169
86
V
V
FLT threshold falling
FLT hysteresis voltage
FLT minimum pulse width
100
mV
µs
VFLT = 1 V
0.4
140
66
fsw = 100 kHz
fsw = 200 kHz
fsw = 1 MHz
fsw = 2 MHz
152
78
tDFLT
FLT delay duration
µs
14
17
21
7
11
14
THERMAL SHUTDOWN
Thermal shutdown
Thermal shutdown hysteresis
PRIMARY AND SYNCHRONOUS RECTIFIER OUTPUTS
165
10
175
15
185
20
°C
°C
Low-level threshold
High-level threshold
ISINK = 10 mA
ISOURCE = 10 mA
0.5
4.5
V
V
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