STEVAL-ISA046V1 STMicroelectronics, STEVAL-ISA046V1 Datasheet - Page 6

• Manufacturer Part Number: STEVAL-ISA046V1
• Description: BOARD EVAL BASED ON ST1S09
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA046V1

• Design Resources: STEVAL-ISA046V1 Gerber Files STEVAL-ISA046V1 Schematic STEVAL-ISA046V1 Bill of Material
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2V
• 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: 1.2 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: 497-6372

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
/