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S-8533A14AFT-TB-U

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.3.0_00
Seiko Instruments Inc.
16
Characteristics (Typical Data)
1. Examples of Major Characteristics
(1) Current Consumption 1 (I
SS1
) vs. Input Voltage (V
IN
) (2) Oscillation Frequency (f
OSC
) vs. Input Voltage (V
IN
)
2 4 6 8 10 12 14
Ta = 25°C
Ta = −40°C
Ta = 85°C
I
SS1
(μA)
V
IN
(V)
100
90
80
70
60
50
40
30
20
10
0
16
2 4 6 8 10 12 14
f
OSC
(kHz)
V
IN
(V)
360
340
320
300
280
260
240
16
Ta = 25°C
Ta = −40°C
Ta = 85°C
(3) PDRV Pin Output Current “H” (I
PDRVH
) vs.
Input Voltage (V
IN
)
(4) PDRV Pin Output Current “L” (I
PDRVL
) vs.
Input Voltage (V
IN
)
2 4 6 8 10 12 14
I
PDRVH
(mA)
V
IN
(V)
70
60
50
40
30
20
10
0
16
Ta = 85°C
Ta = −40°C
Ta = 25°C
2 4 6 8 10 12 14
I
PDRVL
(mA)
V
IN
(V)
70
60
50
40
30
20
10
0
16
Ta = −40°C
Ta = 25°C
Ta = 85°C
(5) NDRV Pin Output Current “H” (I
NDRVH
) vs.
Input Voltage (V
IN
)
(6) NDRV Pin Output Current “L” (I
NDRVL
) vs.
Input Voltage (V
IN
)
2 4 6 8 10 12 14
I
NDRVH
(mA)
V
IN
(V)
70
60
50
40
30
20
10
0
16
Ta = 85°C
Ta = 25°C
Ta = −40°C
2 4 6 8 10 12 14
I
NDRVL
(mA)
V
IN
(V)
120
100
80
60
40
20
0
16
Ta = −40°C
Ta = 25°C
Ta = 85°C
(7) ON/OFF Pin Input Voltage “H” (V
SH
) vs.
Input Voltage (V
IN
)
(8) ON/OFF Pin Input Voltage “L” (V
SL
) vs.
Input Voltage (V
IN
)
2 4 6 8 10 12 14
V
SH
(V)
V
IN
(V)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
16
Ta = 85°C
Ta = 25°C
Ta = −40°C
2 4 6 8 10 12 14
V
SL
(V)
V
IN
(V)
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
16
Ta = −40°C
Ta = 25°C
Ta = 85°C
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.3.0_00
S-8533 Series
Seiko Instruments Inc.
17
(9) Soft-Start Time (t
SS
) vs. Input Voltage (V
IN
)
2 4 6 8 10 12 14
t
SS
(ms)
V
IN
(V)
16
14
12
10
8
6
4
2
0
16
Ta = 85°C
Ta = 25°C
Ta = −40°C
(10) Output Voltage (V
OUT
) vs. Input Voltage (V
IN
)
(1.5 V : S-8533A15AFT)
(11) Output Voltage (V
OUT
) vs. Input Voltage (V
IN
)
(3.3 V : S-8533A33AFT)
2 4 6 8 10 12 14
V
OUT
(V)
V
IN
(V)
1.53
1.52
1.51
1.50
1.49
1.48
1.47
16
I
OUT
= 100 mA
I
OUT
= 0.1 mA
I
OUT
= 400 mA
2 4 6 8 10 12 14
V
OUT
(V)
V
IN
(V)
3.37
3.35
3.33
3.31
3.29
3.27
3.25
3.23
16
I
OUT
= 0.1 mA
I
OUT
= 100 mA
I
OUT
= 400 mA
(12) Output Voltage (V
OUT
) vs. Input Voltage (V
IN
)
(5.0 V : S-8533A50AFT)
2 4 6 8 10 12 14
V
OUT
(V)
V
IN
(V)
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
16
I
OUT
= 100 mA
I
OUT
= 0.1 mA
I
OUT
= 400 mA
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.3.0_00
Seiko Instruments Inc.
18
2. Examples of Transient Response Characteristics
(1) Power-on (V
IN
: 0 V → 2.7 V or 5.0 V or 7.5 V, 0 V → 9.0 V, I
OUT
: 10 mA)
S-8533A15AFT (V
IN
: 0 V → 2.7 V) S-8533A15AFT (V
IN
: 0 V → 9.0 V)
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1 V/div)
3 V
0 V
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1 V/div)
3 V
0 V
S-8533A33AFT (V
IN
: 0 V → 5.0 V) S-8533A33AFT (V
IN
: 0 V → 9.0 V)
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1 V/div)
3 V
0 V
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1 V/div)
3 V
0 V
S-8533A50AFT (V
IN
: 0 V → 7.5 V) S-8533A50AFT (V
IN
: 0 V → 9.0 V)
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1.5 V/div)
4.5 V
0 V
t (2 ms/div)
10 V
0 V
Input voltage
(2.5 V/div)
Output voltage
(1.5 V/div)
4.5 V
0 V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33

S-8533A14AFT-TB-U

Mfr. #:
Buy S-8533A14AFT-TB-U
Manufacturer:
ABLIC
Description:
Switching Controllers SYNC PWM CTRL STPDWN CTRLLR
Lifecycle:
New from this manufacturer.
Delivery:
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