S-8533 Datasheet, PDF (27/31 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
3. Output Current (I_OUT) vs. Ripple Voltage (V_r) Characteristics
The following shows the actual output current (I_OUT) vs. ripple voltage (V_r) characteristics when the S-8533 Series is
used under conditions (27) to (34) in Table 5.
(27) S-8533A15AFT (CPH6303/CPH6403)
(28) S-8533A15AFT (Si3441DV/Si3442DV)
50
45
40
35
30 _{V IN = 2.7 V}
25
20
15
10
5
0
1
10
100
Output current (mA)
5.0 V
1000
10000
(29) S-8533A33AFT (CPH6303/CPH6403)
50
45
40
35
30
25
20
15
10
5
0
1
V_IN = 2.7 V
10
100
Out pu t current (mA)
5.0 V
1000
(30) S-8533A33AFT (Si3441DV/Si3442DV)
10000
50
45
40
35
30
25
20
15
10
5
0
1
V_IN = 4.0 V
4.9 5 V
10
100
Output current (mA)
7 .0 V
1000
(31) S-8533A33AFT (CPH6302/CPH6402)
10000
50
45
40
35
30
25
20
15
10
5
0
1
V _IN = 4 .0 V
10
100
Output current (mA)
4.95 V
1000
(32) S-8533A33AFT (Si3454DV/Si3455DV)
10000
50
45
40
35
30
25
20
15
10
5
0
1
V_IN = 4.95 V
10
100
Output curren t (mA)
10 V
1000
(33) S-8533A50AFT (CPH6302/CPH6402)
10000
50
45
40
35
30
25
20
15
10
5
0
1
V_IN = 6.0 V
7.5 V
10 V
10
100
Out pu t current (mA)
16 V
1000
10000
50
45
40
35
30
25
20
15
10
5
0
1
VIN = 4.95 V
10 V
10
100
Output current (mA)
1000
(34) S-8533A50AFT (Si3454DV/Si3455DV)
10000
50
45
40
35
30
25
20
15
10
5
0
1
V_IN = 6.0 V
7.5 V
10 V
10
100
Output current (m A)
16 V
1000
10000
Seiko Instruments Inc.
27