E-L5970D Datasheet, PDF (6/16 Pages) STMicroelectronics – Up to 1A step down switching regulator

Electrical characteristics
L5970D
Table 4. Electrical characteristics (continued)
( T_J = 25°C, V_CC = 12V, unless otherwise specified)
Symbol
Parameter
Test condition
I_{o sink}
Sink output current
V_COMP = 1.9V;
V_FB = 1.5V
I_b
Source bias current
DC open loop gain R_L = ∞
I_comp = -0.1mA to
gm
Transconductance 0.1mA
V_COMP = 1.9V
Min Typ Max Unit
1 1.5
mA
2.5
4
µA
50 65
dB
2.3
mS
Sync function
High input voltage
Low input voltage
Slave sink current
Master output
amplitude
Output pulse width
V_CC = 4.4V to 36V
V_CC = 4.4V to 36V
V_sync = 0.74V ⁽²⁾
V_sync = 2.33V
I_source = 3mA
no load,
V_sync = 1.65V
2.5
V_REF V
0.74 V
0.11
0.25 mA
0.21
0.45 mA
2.75 3
V
0.20 0.35
µs
Reference section
Reference voltage
Line regulation
Load regulation
Short circuit current
I_REF = 0 to 5mA
V_CC = 4.4V to 36V
I_REF = 0mA
V_CC = 4.4V to 36V
I_REF = 0 to 5mA
3.234 3.3 3.366 V
(1) _{3.2 3.3 3.399 V}
5
10 mV
8
15 mV
10 18 30 mA
1. Specification Referred to T_J from -40 to 125°C. Specification over the -40 to +125 T_J Temperature range
are assured by design, characterization and statistical correlation.
2. Guaranteed by design.
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