E-L5973AD Datasheet, PDF (6/22 Pages) STMicroelectronics – 2 A switch step down switching regulator

Electrical characteristics
L5973AD
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
I_comp = -0.1 mA to
gm
Transconductance
0.1mA
V_COMP = 1.9 V
Min Typ Max Unit
2.3
mS
Sync function
High input voltage
Low input voltage
Slave sink current
Master output
amplitude
Output pulse width
V_CC = 4.4 V to 36 V
V_CC = 4.4 V to 36 V
V_sync = 0.74 V ⁽¹⁾
V_sync = 2.33 V
I_source = 3 mA
2.5
0.11
0.21
2.75
V_REF
V
0.74 V
0.25 mA
0.45 mA
3
V
no load, V_sync = 1.65 V 0.20 0.35
μs
Reference section
Reference voltage
Line regulation
Load regulation
Short circuit current
I_REF = 0 to 5 mA
V_CC = 4.4 V to 36 V
I_REF = 0 mA
V_CC = 4.4 V to 36 V
I_REF = 0 to 5 mA
3.234 3.3 3.366 V
3.2 3.3 3.399 V
5
10
mV
8
15
mV
10
18
30
mA
1. Guaranteed by design.
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Doc ID 9552 Rev 9