B5973D Datasheet, PDF (6/12 Pages) STMicroelectronics – 2 A step down switching regulator for automotive applications

Electrical characteristics
B5973D
Table 4.
Electrical characteristics
(T_J=-40 °C to 125 °C, V_CC = 12 V, unless otherwise specified)
Symbol
Parameter
Test condition
Min Typ Max Unit
gm Transconductance
Synch function
High input voltage
Low input voltage
Slave synch current
Master output
amplitude
Output pulse width
Reference section
Reference voltage
Line regulation
Load regulation
Short circuit current
I_COMP = -0.1 mA to 0.1 mA;
V_COMP = 1.9 V
V_CC= 4.4 to 36 V;
V_CC= 4.4 to 36 V;
V_synch= 0.74 V⁽¹⁾
V_synch= 2.33 V
I_source= 3 mA
no load, V_synch= 1.65 V
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 mA
2.5
0.11
0.21
2.75
0.20
3.2
5
2.3
mS
V_REF
V
0.74 V
0.25
mA
0.45
3
V
0.35
µs
3.3 3.399 V
5
10 mV
8
15 mV
18
35 mA
1. Guarantee by design
5/11