ST STLINK-V3PWR - AUX Output (AUX) Voltage Source Characteristics

Symbol Parameter Conditions Min. Typ. Max. Unit
OCP
TH
Overcurrent
protection
threshold
1.6 V < V
OUT
< 3.6 V
- 550 - mA
OCP
MAX
Short circuit
protection
threshold
V
OUT
= 3.6 V
- 900 - mA
V
OUT
= 1.6 V
- 700 - mA
t
_SHOR
T_OCP
OCP blanking
delay
1.6 V < V
OUT
< 3.6 V
- 1 - ms
t
SS
Output voltage rise
duration
OFF to ON
Load on OUT: R = 7.5 Ω // C = 10 µF
VOUT from 0 to 95% with VOUT set at
3.6 V
- 40 - µs
Load on OUT: R = 7.5 Ω // C = 100 µF
VOUT from 0 to 95% with VOUT set at
3.6 V
- 350 - µs
8.4 AUX output (AUX) voltage source characteristics
All parameters are provided at V
BUS_IN
= 5 V
, T
OP
= 23 °C, and V
AUX
= 3.3 V unless otherwise specified.
Table 13. Auxiliary output (AUX) voltage source characteristics
Symbol Parameter Conditions Min. Typ. Max. Unit
VAUX output voltage
Programmable range 1.6 - 3.6 V
Programming step - 100 - mV
VAUX_ACC
output voltage
accuracy
10nA < I
AUX
< 2.0A
1.6V < V
AUX
= < 3.6V
- ±3 - %
I
AUX
Max continuous
output current
1.6V < V
AUX
< 3.6V
- -
2
(1)
A
OCP
AUX
Overcurrent
and short
circuit protection
threshold
1.6V < V
AUX
< 3.6V
- 2.5 - A
V
AUX_LO
Load transient
regulation
I
AUX
= 0 to 1A in 1µs rising duration
- -30 - mV
t
SS
Output voltage rise
duration
OFF to ON
Load on AUX: R = 7.5ohm // C = 10µF
V
AUX
from 0 to 95% with V
AUX
set at
3.6V
- 700 - µs
ƞ
AUX
Power efficiency
(P
AUX
/P
USB
)
I
AUX
= 250mA
- 90 - %
I
AUX
= 1.3A
- 85 - %
I
AUX
= 2A
- 79 - %
1.
Recommended to use a
USB Type-C
®
host port supporting charging mode (up to 5 V/3 A)
UM3097
AUX output (AUX) voltage source characteristics
UM3097 - Rev 1
page 19/30