S-8533 Datasheet, PDF (23/31 Pages) Seiko Instruments Inc – STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER

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