ST1S03AIPMR STMICROELECTRONICS [STMicroelectronics], ST1S03AIPMR Datasheet - Page 6

• Manufacturer Part Number: ST1S03AIPMR
• Description: 1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
4
Table 4.
Note: 1 Guaranteed by design, but not tested in production
6/14
%V
%V
%V
I
%V
Symbol
O
PWMf
T
D
T
=Short
V
I
V
I
SHDN
FB
I
MIN
MAX
SW
HYS
@
I
I
I
O
O
O
FB
O
INH
ν
Q
O
O
DS
/ΔI
/ΔI
/ΔI
/ΔV
S
O
O
O
I
Electrical characteristics
(V
otherwise specified. Typical values are referred to 25°C)
IN_SW
Feedback voltage
V
Quiescent current
Inhibit threshold
Output current
Output current
Minimum output current
Reference line regulation
Reference load regulation
PWM Switching frequency
Maximum duty cycle
Switching current limitation
Switch V
Efficiency
Thermal shutdown
Thermal shutdown hysteresis
Load transient response
Short circuit removal response
Electrical characteristics
FB
Pin bias current
= V
DS
IN_A
Parameter
= V
INH
= 5V, C
I
= 4.7µF, C
V
V
Device ON
Device OFF
V
V
V
I
V
I
I
I
Note: 1
Note: 1
I
t
I
Note: 1
O
SW
O
O
O
R
O
INH
INH
I
I
I
FB
= 2.7 to 5.5V
= 2.7 to 5.5V
= 2.7V to 5.5V
= 10mA to 1.5A
= 10mA to 100mA, V
= 100mA to 1.5A, V
= 100mA to 1.5A, T
= t
= 10mA to short, T
= 800mA
= 0.8V, T
F
> 1.2V
< 0.4V
≥ 100ns,
Test conditions
O
= 22µF, L1 = 3.3µH, T
A
= 25°C
Note: 1
A
A
O
Note: 1
= 25°C
O
= 25°C
= 3.3V
= 3.3V
Min.
784
130
-10
1.2
1.5
0.8
1.2
2.5
J
70
85
-3
1
= 0 to 125°C (unless
Typ.
800
150
0.2
0.2
1.5
87
15
Max.
816
600
200
+10
1.5
0.4
1.8
+3
1
%V
%V
%V
%V
MHz
Unit
mV
mA
ΔI
mV
mA
ΔV
nA
µA
°C
°C
%
%
V
A
A
A
O
O
O
O
O
I
/
/