ST2S06B STMicroelectronics, ST2S06B Datasheet - Page 7

• 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

Table 7.
1. V
2. Guaranteed by design, but not tested in production.
ΔV
R
R
Symbol
%V
PWM f
ΔV
T
I
D
FB
I
DSon
O1,2
INH1,2
DSon
T
I
V
ΔV
I
FB1,2
I
I
I
SHDN
O
O1,2
SWL
LKN
LKP
MIN
MAX
HYS
I
INH
O1,2
O1,2
= 90% of nominal value.
Q
η
1,2
IN
/ΔI
-N
-P
S
/
O
Feedback voltage
V
Quiescent current
Output current
Minimum output current
Inhibit threshold
Inhibit pin 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
V
T
Electrical characteristics for ST2S06B
FB
J
IN_SW
= -30 to 125 °C unless otherwise specified. Typical values are referred to 25 °C.
pin bias current
Parameter
= V
(1)
(1)
IN_A
= 5 V, V
(2)
(1)
O1,2
V
V
V
V
2.5V < V
2.5V < V
Device OFF
2.5V < V
10 mA < I
V
V
V
V
I
I
100 mA < I
t
SW
SW
O
O
R
FB
INH
INH
IN
FB
FB
FB
FB
=1.2 V, C
= t
= 20 mA to 100 mA
= 100 mA to 0.5 A
= 2.5 to 5.5 V
= 250 mA
= 250 mA
Doc ID 13866 Rev 4
= 1 V
= 0.7 V, T
= 0.7 V, T
= 0.9 V, T
= 0.9 V, T
F
> 1.2 V, V
< 0.4 V
1 => 100 ns, T
IN
IN
IN
O
Test conditions
< 5 V
< 5.5 V
< 5.5 V
O
< 0.5 A
1
< 500 mA,
= 4.7 µF, C
A
A
A
A
FB
= 25°C
= 25°C
= 25°C
= 25°C
= 1 V
(1)
A
= 25°C
2
= C
3
= 22 µF, L1 = L2 = 3.3 µH,
Min.
784
130
1.2
1.3
1.2
85
-5
1
1
0.032
Typ.
0.15
800
150
0.8
5.5
1.5
1.2
0.1
0.1
0.2
94
75
90
15
Max.
816
600
0.4
1.8
0.3
0.4
15
+5
1
1
2
%V
%V
MHz
Unit
mV
mA
mA
V
mV
nA
µA
µA
µA
µA
°C
°C
%
%
%
Ω
Ω
A
V
A
IN
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O
O
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