7.5 Electrical Characteristics
Limits apply over T
A
= –40°C to +105°C (EXT suffix device; T
A
= –55°C to +105°C), V
IN
= 24 V, V
OUT
= 3.3 V, I
OUT
= 1.5 A,
(unless otherwise noted); Minimum and maximum limits are specified through production test or by design. Typical values
represent the most likely parametric norm and are provided for reference only.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT VOLTAGE (V
IN
)
V
IN
Input voltage range Over I
OUT
range 4.2
(1)
60 V
V
IN
turn on V
IN
increasing, I
OUT
= 0 A, V
EN
= V
IN
3.8 V
V
IN
turn off V
IN
decreasing, I
OUT
= 0 A, V
EN
= V
IN
3.3 V
I
SHDN
Shutdown supply current V
EN
= 0 V, I
OUT
= 0 A 5 µA
INTERNAL LDO (V
CC
)
VCC
Internal LDO output voltage appearing
at the VCC pin
6 V ≤ V
IN
≤ 60 V
4.75 5 5.25 V
FEEDBACK
V
FB
Feedback voltage
(2)
I
OUT
= 0A 0.985 1 1.015 V
Load regulation
T
A
= +25°C, 0A ≤ I
OUT
≤ 1.5A
0.057 %
Line regulation
T
A
= +25°C, I
OUT
= 0A, 6 V ≤ V
IN
≤ 60 V
0.024 %
I
FB
Current into FB pin FB = 1 V 0.2 nA
CURRENT
I
OUT
Output current T
A
= 25ºC 0 1.5 A
I
OUT
Over6current threshold V
OUT
= 3.3 V, T
A
= 25ºC 1.9 A
V
HC
FB pin voltage required to trip short-
circuit hiccup mode
0.4 V
t
HC
Time between current-limit hiccup
burst
94 ms
ENABLE (EN PIN)
V
EN-VCC-H
EN input level required to turn on
internal LDO
Rising threshold 1.14 V
V
EN-VCC-L
EN input level required to turn off
internal LDO
Falling threshold 0.3 V
V
EN-H
EN input level required to start
switching
Rising threshold 1.157 1.231 1.30 V
V
EN-HYS
Hysteresis below V
EN-H
Hysteresis below V
EN-H
; falling 110 mV
I
LKG-EN
Enable input leakage current V
EN
= 3.3 V 0.2 nA
POWER GOOD (PGOOD PIN)
V
PG-LOW-UP
V
OUT
rising (fault) % of FB voltage 107%
V
PG-HIGH-DN
V
OUT
falling (good) % of FB voltage 105%
V
PG-HIGH-UP
V
OUT
rising (good) % of FB voltage 95%
V
PG-LOW-DN
V
OUT
falling (fault) % of FB voltage 93%
R
PG
Power-good flag R
DSON
V
EN
= 0 V 35
Ω
V
IN-PG
Minimum input voltage for proper
PGOOD function
I
PG
= 50 µA, EN = 0 V 2 V
TPSM5601R5H, TPSM5601R5HE
ZHCSMU2A – DECEMBER 2020 – REVISED MARCH 2021
www.ti.com.cn
6 Submit Document Feedback
Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TPSM5601R5H TPSM5601R5HE
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