TPSM843320E
ZHCSTQ8 – JANUARY 2024
www.ti.com.cn
5.5 Electrical Characteristics (Module) (续)
TJ = –55°C to +125°C, VVIN = 4V - 18V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT OVERVOLTAGE AND UNDERVOLTAGE PROTECTIONS
Overvoltage-protection (OVP) threshold
voltage
VOVP
VFB rising
VFB falling
120
80
% VREF
% VREF
Undervoltage-protection (UVP) threshold
voltage
VUVP
POWER GOOD
PGOOD threshold
PGOOD threshold
PGOOD threshold
PGOOD threshold
VFB rising (Fault)
VFB falling (Good)
VFB rising (Good)
VFB falling (Fault)
113
105
89
116
108
92
119 % VREF
111 % VREF
95 % VREF
87 % VREF
81
84
Leakage current into PGOOD pin when
open drain output is high
IPGOOD(LKG)
VPG(low)
VPGOOD = 4.7V
5
µA
PGOOD low-level output voltage
Min VIN for valid PGOOD output
IPGOOD = 2mA, VIN = 12V
0.5
1
V
V
0.9
HICCUP
Hiccup time before re-start
Output discharge resistance
7*tSS
ms
Ω
OUTPUT DISCHARGE
VVIN = 12V, VSW = 0.5V, power conversion
disabled.
RDischg
100
THERMAL SHUTDOWN
TSDN
Thermal shutdown threshold (1)
Thermal shutdown hysteresis (1)
Temperature rising
165
12
175
°C
°C
THYST
(1) Specified by design. Not production tested.
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English Data Sheet: SLUSFH2
6
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