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S-8533A28AFT-TB-G

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.
22
Reference Data
Reference data are intended for use in selecting peripheral parts to the IC. The information therefore provides
characteristic data in which external parts are selected with a view of wide variety of IC applications. All data show typical
values.
1. External Parts for Reference Data
Table 4 External Parts List for Output Current vs. Efficiency Characteristics
No. Product Name
Output
Voltage
Inductor
Transistor
P-channel
Transistor
N-channel
Output
Capacitor
Input
Capacitor
Application Condition
(1) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(2)
S-8533A15AFT 1.5 V
Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(3) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(4) Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(5) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(6)
S-8533A33AFT 3.3 V
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(7) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(8)
S-8533A50AFT 5.0 V
CDRH104R/22 μH
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(9) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(10)
S-8533A15AFT 1.5 V
Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(11) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(12) Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(13) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(14)
S-8533A33AFT 3.3 V
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(15) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(16)
S-8533A50AFT 5.0 V
CDRH104R/47 μH
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(17) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(18)
S-8533A15AFT 1.5 V
Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(19) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(20) Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(21) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(22)
S-8533A33AFT 3.3 V
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(23) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(24)
S-8533A50AFT 5.0 V
CDRH104R/10 μH
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(25) CPH6303 CPH6403 I
OUT
≤ 3 A, V
IN
≤ 8 V
(26)
S-8533A33AFT 3.3 V CDRH125/10 μH
CPH6302 CPH6402
47 μF × 2 47 μF, 0.1 μF
I
OUT
≤ 3 A, V
IN
≤ 16 V
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.3.0_00
S-8533 Series
Seiko Instruments Inc.
23
External Parts List for Ripple Data
Table 5 External Parts for Input Voltage vs. Ripple Voltage Characteristics Data
No. Product Name
Output
Voltage
Inductor
Transistor
P-channel
Transistor
N-channel
Output
Capacitor
Input
Capacitor
Application Condition
(27) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(28)
S-8533A15AFT 1.5 V
Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(29) CPH6303 CPH6403 I
OUT
≤ 2 A, V
IN
≤ 8 V
(30) Si3441DV Si3442DV I
OUT
≤ 1.4 A, V
IN
≤ 6 V
(31) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(32)
S-8533A33AFT 3.3 V
Si3455DV Si3454DV I
OUT
≤ 1.6 A, V
IN
≤ 16 V
(33) CPH6302 CPH6402 I
OUT
≤ 2 A, V
IN
≤ 16 V
(34)
S-8533A50AFT 5.0 V
CDRH104R/22 μH
Si3455DV Si3454DV
47 μF × 2 47 μF, 0.1 μF
I
OUT
≤ 1.6 A, V
IN
≤ 16 V
Performance Data for Parts
The following shows the performance of external parts.
Table 6 Performance of External Parts
Parts
Product
Name
Manufacturer Characteristics
L Value DC Resistance
Maximum
Current
Diameter Height
CDRH125
10 μH 0.019 Ω 4.0 A
12.0 mm typ.
12.3 mm max.
8.0 mm max.
47 μH 0.095 Ω 1.9 A
22 μH 0.054 Ω 2.5 A
Inductor
CDRH104R
Sumida
Corporation
10 μH 0.026 Ω 3.8 A
10.2 mm typ.
10.5 mm max.
4.0 mm max.
Diode MA737
Matsushita Electric
Industrial Co., Ltd
Forward current 1.5 A (@V
F
= 0.5 V)
Output
Capacity
F93
Nichicon
Corporation
CPH6303
V
GS
= 10 V max., I
D
= −4 A max., V
th
= −0.4 V min.,
C
iss
= 820 pF typ., R
DS(ON)
= 0.090 Ω max. (V
GS
= −4 V),
CPH6 package
CPH6302
Sanyo
Electric Co., Ltd
V
GS
= 20 V max., I
D
= −3 A max., V
th
= −1.0 V min.,
C
iss
= 300 pF typ., R
DS(ON)
= 0.145 Ω max. (V
GS
= −10 V),
CPH6 package
Si3441DV
V
GS
= 8 V max., I
D
= −3.3 A max., V
th
= −0.45 V min.,
R
DS(ON)
= 0.10 Ω max. (V
GS
= −4.5 V), TSOP-6 package
External
transistor
(P-channel
FET)
Si3455DV
Vishay
Silliconix
V
GS
= 20 V max., I
D
= −3.5 A max., V
th
= −1.0 V min.,
R
DS(ON)
= 0.100 Ω max. (V
GS
= −10 V), TSOP-6 package
CPH6403
V
GS
= 10 V max., I
D
= 6 A max., V
th
= 0.4 V min.,
C
iss
= 700 pF typ., R
DS(ON)
= 0.038 Ω max. (V
GS
= 4 V),
CPH6 package
CPH6402
Sanyo
Electric Co., Ltd
V
GS
= 24 V max., I
D
= 4 A max., V
th
= 1.0 V min.,
C
iss
= 240 pF typ., R
DS(ON)
= 0.75 Ω max. (V
GS
= 10 V),
CPH6 package
Si3442DV
V
GS
= 8 V max., I
D
= 4.0 A max., V
th
= 0.6 V min.,
R
DS(ON)
= 0.07 Ω max. (V
GS
= 4.5 V), TSOP-6 package
External
transistor
(N-channel
FET)
Si3454DV
Vishay
Silliconix
V
GS
= 20 V max., I
D
= 4.2 A max., V
th
= 1.0 V min.,
R
DS(ON)
= 0.065 Ω max. (V
GS
= 10 V), TSOP-6 package
Caution The value of each characteristic in Table 6 depends on the materials prepared by each manufacturer,
however, confirm the specifications by referring to respective materials when using any of the above.
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.3.0_00
Seiko Instruments Inc.
24
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) (2) S-8533A15AFT (Si3441DV/Si3442DV)
50
55
60
65
70
75
80
85
90
95
100
1 10 100 1000 10000
Output current (mA)
Efficiency η (%)
V
IN
= 2.7 V
5.0 V
50
55
60
65
70
75
80
85
90
95
100
1 10 100
1000 10000
Output current
(mA)
V
IN
=
2.7 V
5.0 V
Efficiency η (%)
(3) S-8533A33AFT (CPH6303/CPH6403) (4) S-8533A33AFT (Si3441DV/Si3442DV)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000 10000
Output current (mA)
10
V
IN
= 4.0 V
4.95 V
7.0 V
Efficiency η (%)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000
10000
Output current
(mA)
10
V
IN
=
4.0 V
4.95 V
Efficiency η (%)
(5) S-8533A33AFT (CPH6302/CPH6402) (6) S-8533A33AFT (Si3454DV/Si3455DV)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000 10000
(mA)
10
Output current
V
IN
= 4.95 V
10 V
Efficiency η (%)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000
10000
(mA)
Output current
10
V
IN
=
4.95 V
10 V
Efficiency η (%)
(7) S-8533A50AFT (CPH6302/CPH6402) (8) S-8533A50AFT (Si3454DV/Si3455DV)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000 10000
(mA)
10
Output current
V
IN
= 6.0 V
16 V
10 V
7.5 V
Efficiency η (%)
50
55
60
65
70
75
80
85
90
95
100
1 100 1000
10000
(mA)
10
Output current
V
IN
= 6.0 V
16 V
10 V
7.5 V
Efficiency η (%)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33

S-8533A28AFT-TB-G

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Switching Controllers SYNC PWM CTRL STPDWN CTRLLR
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