S-8533 Seiko Instruments, S-8533 Datasheet - Page 23
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S-8533
Manufacturer Part Number
S-8533
Description
SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Manufacturer
Seiko Instruments
Datasheet
1.S-8533.pdf
(31 pages)
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Part Number
Manufacturer
Quantity
Price
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www.DataSheet4U.com
(1) S-8533A15AFT (CPH6303/CPH6403)
(3) S-8533A33AFT (CPH6303/CPH6403)
(5) S-8533A33AFT (CPH6302/CPH6402)
(7) S-8533A50AFT (CPH6302/CPH6402)
Rev.2.3
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
100
100
100
100
2. Output Current (I
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
1
The following shows the actual output current (I
under conditions (1) to (26) in Table 4.
1
1
1
_00
7.5 V
V
IN
10
1 0
V
= 2.7 V
10
10
V
I N
Output current
Output curren t (m A)
IN
Ou tput current (mA)
= 6.0 V
V
Output current
= 4.95 V
I N
= 4.0 V
10 0
100
100
OUT
100
4.95 V
(mA)
(mA)
) vs. Efficiency (η) Characteristics
10 V
10 V
7.0 V
5.0 V
1000
1000
16 V
1000
1000
10000
10000
10000
10000
Seiko Instruments Inc.
OUT
) vs. efficiency (η) characteristics when the S-8533 Series is used
(2) S-8533A15AFT (Si3441DV/Si3442DV)
(4) S-8533A33AFT (Si3441DV/Si3442DV)
(6) S-8533A33AFT (Si3454DV/Si3455DV)
(8) S-8533A50AFT (Si3454DV/Si3455DV)
100
100
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
1
1
1
1
7.5 V
1 0
10
10
V
V
10
V
I N
IN
Output current
N
Output current (mA)
Output curren t (mA)
= 6.0 V
= 4.95 V
= 4.0 V
Output current
V
IN
= 2.7 V
100
100
1 00
100
(mA)
(mA)
4.95 V
10 V
10 V
5.0 V
1000
1000
16 V
1000
1000
S-8533 Series
10000
10000
10000
10000
23