l5973 STMicroelectronics, l5973 Datasheet - Page 6

• Manufacturer Part Number: l5973
• Description: Up To 2.5a Step Down Switching Regulator
• Manufacturer: STMicroelectronics

Electrical characteristics
6/17
Table 4.
1. Specification Referred to T
2. Guaranteed by design.
Sync function
Reference section
are assured by design, characterization and statistical correlation.
Symbol
gm
I
b
Electrical characteristics (continued)
( T
Source bias current
DC open loop gain
Transconductance
High input voltage
Low input voltage
Slave sink current
Master output
amplitude
Output pulse width
Reference voltage
Line regulation
Load regulation
Short circuit current
J
= 25 °C, V
Parameter
J
from -40 to 125 °C. Specification over the -40 to +125 T
CC
= 12 V, unless otherwise specified)
R
I
0.1 mA
V
V
V
V
V
I
no load,
V
I
V
I
V
I
comp
source
REF
REF
REF
COMP
CC
CC
sync
sync
sync
CC
CC
L
= ∞
= 4.4 V to 36 V
= 4.4 V to 36 V
= 4.4 V to 36 V
= 4.4 V to 36 V
= 0 to 5 mA
= 0 mA
= 0 to 5 mA
= -0.1 mA to
= 0.74 V
= 2.33 V
= 1.65 V
= 3 mA
Test condition
= 1.9 V
(2)
(1)
3.234
0.11
0.21
2.75
0.20
Min
2.5
3.2
50
10
J
0.35
Typ
2.5
2.3
3.3
3.3
57
18
Temperature range
3
5
8
3.366
3.399
V
Max
0.74
0.25
0.45
10
15
30
REF
4
L5973D
Unit
mS
mA
mA
mV
mV
mA
µA
dB
µs
V
V
V
V
V