ST2S06B STMicroelectronics, ST2S06B Datasheet - Page 6

• Manufacturer Part Number: ST2S06B
• Description: SYNCHRONOUS RETTIFICATION 0.5 A, 1.5 MHZ STEP-DOWN SWITCHING REGULATOR
• Manufacturer: STMicroelectronics

Specifications of ST2S06B

• Typical Efficiency: > 90%
• Non-switching Quiescent Current: max 1 mA over temperature range

4
Table 6.
1. V
2. Guaranteed by design, but not tested in production.
6/18
Reset section
%V
ΔV
R
R
Symbol
PWM f
ΔV
T
OUT
D
DSon
O1,2
V
DSon
T
I
I
O1,2
I
t
FB
I
I
I
SHDN
O
O1,2
SWL
I
LKN
LKP
DEL
FB2
MIN
MAX
HYS
RES
I
O1
N
O1,2
= 90% of nominal value.
Q
η
2
/ΔI
/ΔV
1
-N
-P
S
O
I
Output feedback pin
Feedback voltage
I
V
Quiescent current
Output current
Minimum output current
Reference line regulation
Reference load regulation
PWM switching
frequency
Maximum duty cycle
Switching current limitation
NMOS leakage current
PMOS leakage current
NMOS switch on resistance I
PMOS switch on resistance I
Efficiency
Thermal shut down
Thermal shut down
hysteresis
Load transient response
Delay time
Reset in threshold
measured on input pin
Electrical characteristics
V
µH, T
Electrical characteristics for ST2S06A33
O1
FB
IN_SW
pin bias current
pin bias current
J
= - 30 to 125 °C unless otherwise specified. Typical values are referred to 25 °C.
Parameter
= V
(1)
(2)
IN_A
= 5 V, V
(2)
(2)
01
= 3.3 V, V
V
V
V
V
4V < V
10mA < I
V
V
V
V
I
I
100 mA < I
t
T
V
V
SW
SW
O
O
R
A
O
FB
FB
IN
FB
FB
FB
FB
IN_A
IN_A
= t
= 20 mA to 100 mA
= 100 mA to 0.5 A
= 25°C
= 3.5 V
= 4 to 5.5 V
= 250 mA
= 250 mA
Doc ID 13866 Rev 4
= 1 V
= 1 V
= 0.7 V, T
= 0.7 V, T
= 0.9 V, T
= 0.9 V, T
F
Rising
Falling
=> 100 ns, T
IN
O
< 5.5 V
Test conditions
O2
< 0.5 A
O
< 500 mA
= 1.2 V, C
A
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C
(1)
A
= 25°C
1
= 4.7 µF, C
2
Min.
3.23
4.12
784
= C
130
1.2
4.5
85
80
-5
1
1
3
= 22 µF, L1 = L2 = 3.3
0.032
Typ.
0.15
800
150
3.3
0.8
5.5
1.5
1.2
0.1
0.1
0.2
4.6
4.2
15
94
75
90
15
85
Max.
3.37
4.75
4.28
816
600
1.2
1.8
0.3
0.4
20
15
+5
%V
%V
MHz
Unit
mV
mA
mA
V
mV
µA
nA
µA
µA
ms
°C
°C
%
%
%
Ω
Ω
V
A
A
V
IN
O
O
/