EVALA5970AD STMicroelectronics, EVALA5970AD Datasheet - Page 6

• Manufacturer Part Number: EVALA5970AD
• Description: BOARD EVAL FOR A5970AD REG
• Manufacturer: STMicroelectronics

Specifications of EVALA5970AD

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.235 ~ 35V
• Current - Output: 1A
• Voltage - Input: 4 ~ 36V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: A5970AD
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical characteristics
3
6/42
Electrical characteristics
T
Table 4.
Dynamic characteristics (see test circuit)
DC characteristics
Inhibit
Error amplifier
Synch function
J
Symbol
R
I
o source
= -40 °C to 125 °C, VCC = 12 V, unless otherwise specified.
I
I
V
DS(on)
qst-by
V
V
o sink
f
I
gm
V
SW
qop
I
I
I
CC
h
OH
OL
L
q
b
5
Operating input
voltage range
MOSFET on
resistance
Maximum limiting
current
Switching frequency
Duty cycle
Voltage feedback
Efficiency
Total operating
quiescent current
Quiescent current
Total stand-by
quiescent current
INH threshold voltage
High level output
voltage
Low level output
voltage
Source output current
Sink output current
Source bias current
DC open loop gain
Transconductance
Electrical characteristics
Parameter
(1)
Doc ID 14661 Rev 4
V
V
4.4 V < V
V
Duty cycle = 0; V
V
Device ON
Device OFF
V
V
V
V
R
I
V
COMP
CC
0
inh
FB
FB
COMP
COMP
COMP
L
CC
= 5 V, V
=
> 2.2 V
= 1 V
= 1.5 V
= 5 V, T
= 5 V
∞
= -0.1 mA to 0.1 mA;
Test condition
= 1.9 V; V
= 1.9 V; V
= 1.9 V
CC
CC
J
< 36 V
= 12 V
= 25 °C
FB
FB
FB
= 1.5 V
= 1 V
= 1.5 V
1.198
1.35
Min
430
190
1.5
2.2
3.5
50
4
0
1
0.250
1.235
Typ
500
300
1.8
1.8
1.5
2.3
2.5
90
50
57
5
1.272
Max
570
100
100
0.5
2.7
0.8
0.4
36
7
4
A5970AD
Unit
kHz
mA
mA
mA
mS
μA
μA
μA
dB
%
%
Ω
V
A
V
V
V
V
V