STEVAL-ISA046V2 STMicroelectronics, STEVAL-ISA046V2 Datasheet - Page 6
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STEVAL-ISA046V2
Manufacturer Part Number
STEVAL-ISA046V2
Description
BOARD EVAL BASED ON ST1S09
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Specifications of STEVAL-ISA046V2
Design Resources
STEVAL-ISA046V2 Gerber Files STEVAL-ISA046V2 Schematic STEVAL-ISA046V2 Bill of Material
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
3.3V
Current - Output
2A
Voltage - Input
2.7 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1.5MHz
Board Type
Fully Populated
Utilized Ic / Part
ST1S09I
Input Voltage
2.7 V to 5.5 V
Output Voltage
3.3 V
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ST1S09
Other names
497-6373
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA046V2
Manufacturer:
STMicroelectronics
Quantity:
1
Electrical characteristics
4
Table 6.
1. Guaranteed by design, but not tested in production.
6/18
R
R
%V
%V
%V
%V
Symbol
PWMf
T
DSON
DSON
UV
D
T
OVP
I
I
SHDN
PG
SWL
OVP
FB
I
MAX
HYS
V
I
I
O
O
O
FB
O
ν
Q
O
LO
/ΔV
/ΔI
/ΔI
/ΔI
I
-N
-P
S
O
O
O
I
Feedback voltage
V
Under voltage lock out
threshold
Over voltage protection
threshold
Over voltage protection
hysteresis
Overvoltage clamping current
Quiescent current
Output current
Output line regulation
Output load regulation
PWM switching frequency
Maximum duty cycle
Power good output threshold
Power good output voltage low
NMOS switch on resistance
PMOS switch on resistance
Switching current limitation
Efficiency
Thermal shutdown
Thermal shutdown hysteresis
Load transient response
Short circuit removal response
Input voltage
Electrical characteristics
Refer to
C
referred to 25 °C)
Electrical characteristics for ST1S09PU
FB
2
pin bias current
= 22 µF, L1 = 2.7 µH, T
Parameter
(1)
Figure 21
application circuit V
J
= -30 to 125 °C (unless otherwise specified. Typical values are
I
V
Hysteresis
V
V
V
Not switching
V
V
I
V
I
I
I
(1)
I
I
I
t
I
T
O
O
SINK
SW
SW
O
O
O
R
O
A
I
O
O
O
I
I
FB
Doc ID 13632 Rev 4
= t
= 10 mA to 2 A
= 4.5 to 5.5 V
= 4.5 V to 5.5 V, I
= 10 mA to 2 A
= 10 mA to 100 mA, V
= 100 mA to 2 A, V
= 100 mA to 1 A, T
= 10 mA to I
Rising
= 25 °C
= 1.2 V
rising
falling
= 750 mA
= 750 mA
= 0.65 V
F
= 6 mA open drain output
≥ 200 ns
Test conditions
IN_SW
(1)
O
(1)
(1)
= short,
= V
(1)
O
A
IN_A
= 100 mA
O
= 25 °C
= 3.3 V
O
= 5 V, V
= 3.3 V
(1)
O
1.05 V
Min.
= 1.2 V, C1 = 4.7 µF,
784
-10
-10
4.5
3.5
1.2
2.5
80
65
82
2
O
0.92 V
1.1 V
Typ.
0.16
800
150
300
150
1.5
0.2
1.5
0.1
0.1
2.9
3.7
87
87
20
5
O
O
Max.
816
600
+10
+10
5.5
3.9
2.5
0.6
1.8
0.4
3.5
ST1S09
%V
MHz
%V
%V
Unit
mV
mV
mA
mA
ΔV
nA
°C
°C
%
%
%
%
Ω
Ω
V
V
V
A
V
V
A
O
I
O
O
/