ST1S14 STMicroelectronics, ST1S14 Datasheet - Page 6

• Manufacturer Part Number: ST1S14
• Description: Up to 3 A step down switching regulator
• Manufacturer: STMicroelectronics

Electrical characteristics
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Electrical characteristics
All the population tested at T
specified.
The specification is guaranteed from (-40 to +125) T
characterization and statistical correlation.
Table 6.
DC characteristics
T
Symbol
T
t
R
HICCUP
OFF MIN
I
ON MIN
DS(on)
qst-by
V
I
f
V
I
SW
SW
FB
I
FB
q
IN
Operating input
voltage range
MOSFET on
resistance
Maximum limiting
current
Hiccup time
Switching frequency
Duty cycle
Minimum conduction
time of the power
element
Minimum conduction
time of the external
diode
Voltage feedback
FB biasing current
Quiescent current
Stand-by quiescent
current
PG output voltage
(open collector active)
Electrical characteristics
Parameter
J
= 25 °C, V
Doc ID 17977 Rev 1
I
I
I
V
V
DEVICE OFF (see
V
I
SW
LOAD
LOAD
SINK
FB
FB
FB
=1A
=2V
=2V, V
falling edge
=0 A
=10 mA to 3A
= 6mA
Test condition
CC
IN
=48V
=12 V, V
Table 2
J
EN1
temperature range by design,
= 5 V, V
(1)
(1)
(1)
1.202
1.196
Min
600
EN2
5.5
3.7
75
=0 V unless otherwise
0.92*
V
V
1.22
1.22
0.8*
Typ
850
0.2
4.5
1.3
1.7
16
90
90
90
50
OUT
OUT
1.239
1.245
1000
Max
120
0.4
5.2
2.4
0.4
48
2
ST1S14
Unit
kHz
mA
mA
ms
μ
nA
ns
ns
%
V
Ω
A
V
V
V
V
V