ST1S09IPU STMICROELECTRONICS [STMicroelectronics], ST1S09IPU Datasheet - Page 7

• Manufacturer Part Number: ST1S09IPU
• Description: 2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectificationtm
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 7.
Note:
R
R
%V
%V
%V
%V
Symbol
PWMf
T
DSON
DSON
D
T
OVP
V
I
I
SHDN
SWL
FB
I
INH
MAX
HYS
V
I
I
O
O
O
FB
O
INH
ν
Q
O
/ΔI
/ΔI
/ΔI
I
/ΔV
-N
-P
S
O
O
O
1
I
Feedback voltage
V
Minimum input voltage
Over voltage protection
threshold
Over voltage protection
hysteresis
Quiescent current
Output current
Inhibit threshold
Inhibit pin current
Output line regulation
Output load regulation
PWM switching frequency
Maximum duty cycle
NMOS switch on resistance
PMOS switch on resistance
Switching current limitation
Efficiency
Thermal shutdown
Thermal shutdown hysteresis
Load transient response
Short circuit removal response
Electrical characteristics for ST1S09IPU Refer to
V
T
Guaranteed by design, but not tested in production.
FB
J
IN_SW
= -30 to 125 °C (unless otherwise specified. Typical values are referred to 25 °C)
pin bias current
= V
Note 1
Parameter
IN_A
= V
INH
= 5 V, V
I
V
V
V
V
V
Device ON, V
Device ON, V
Device OFF
V
Note 1
I
V
I
I
Note 1
I
I
I
t
I
T
O
O
O
SW
SW
O
O
O
R
O
A
O
O
INH
INH
I
I
FB
= 10mA to 2A
= 2.7 to 5.5V
= 2.7V to 5.5V, I
= 10mA to 2A
= 10mA to 100mA, V
= 100mA to 2A, V
= 100mA to 1A, T
= t
= 10mA to I
= 1.2 V, C1 = 4.7 µF, C2 = 22 µF, L1 = 2.7 µH,
= 25°C
rising
falling
= 750 mA
= 750 mA
= 0.65V
F
> 1.2V, not switching
< 0.4V, T = - 30°C to 85°C
≥ 200ns,
Test conditions
Note 1
I
I
O
= 2.7 to 5.5V
= 2.7 to 5V
Note 1
Note 1
= short,
Note 1
O
A
O
= 100mA
= 25°C
= 3.3V
O
Figure 22
= 3.3V
1.05 V
application circuit
Min.
784
-10
-10
2.7
1.3
1.2
1.2
2.5
80
65
82
2
O
1.1 V
Typ.
0.16
800
150
1.5
0.2
1.5
0.1
0.1
2.9
87
87
20
5
O
Max.
816
600
+10
+10
2.5
0.4
0.6
1.8
3.5
1
2
%V
%V
%V
%V
MHz
Unit
mV
mA
ΔI
ΔV
nA
µA
µA
°C
°C
%
%
%
V
V
A
V
Ω
Ω
A
7/18
O
O
O
O
O
I
/
/