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S-8460B00AFT-TBG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8460
Rev.2.1_00
22
Seiko Instruments Inc.
Measurement Circuit
A
I
OUT
F93
47
μ
F
VL
VSS DVSS CPRO CSS T
0.1 μF
4.7
μ
F
4700 pF
ON/OFF
EXT2
LX
EXT1
BST
FB
EXT3
VIN
CDRH104R
22 μH
R
FB2
100 k
Ω
R
FB1
230 k
Ω
C
fz fb
230 pF
RB 41 1 D
MA2Q737
CPH6401
CPH6401
CPH6401
F93
47
μ
F
F93
47
μ
F
F93
47
μ
F
+ +
+
+
Remark Values for R
FB1
, R
FB2
, and C
fzfb
differ according to the output.
Figure 14
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 Diode SD1
Output
Capacitor
Input
Capacitor
(31) S-8460B00AFT
3.3 V
*1
CDRH104R/22 μH CPH6401 MA2Q737 47 μF × 2 47 μF × 2, 0.1 μF
(32) CDRH104R/10 μH
(33) CDRH104R/47 μH
(34)
2.5 V
*2
CDRH104R/22 μH
(35)
5.0 V
*3
CDRH104R/22 μH
*1. External parts : R
FB1
= 230 kΩ, R
FB2
= 100 kΩ, C
fzfb
= 330 pF
*2. External parts : R
FB1
= 150 kΩ, R
FB2
= 100 kΩ, C
fzfb
= 470 pF
*3. External parts : R
FB1
= 400 kΩ, R
FB2
= 100 kΩ, C
fzfb
= 220 pF
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.2.1_00
S-8460
Seiko Instruments Inc. 23
Performance Data for Parts
The following shows the performance of external parts.
Table 6 Performance of External Parts
Part Product
Name
Manufacturer Performance
Inductor CDRH104R Sumida Corporation
L DC resist. Max. current Diameter Height
47 μH 0.095 Ω 2.1 A
22 μH 0.054 Ω 2.9 A
10 μH 0.026 Ω 4.4 A
13.5 mm
max.
4.0 mm
max.
Diode MA2Q737
Matsushita Electric Industrial
Co., Ltd.
Forward current 2.0 A @V
F
= 0.5 V
D1FH3
Shindengen Electric
Manufacturing Co., Ltd.
Forward current 1.0 A @V
F
= 0.3 V
Output Capacity F93 Nichicon Corporation 16 V, 47 μF
External Transistor
(N-channel FET)
CPH6401 Sanyo Electric Co., Ltd.
V
GS
= 12 V max., I
D
= 4 A max., V
th
= 0.4 V min.,
C
iss
= 300 pF typ., R
DS(ON)
= 0.105 Ω max. (V
GS
= 2.5 V),
CPH6 package
CPH3403
V
GS
= 12 V max., I
D
= 2.2 A max., V
th
= 0.4 V min.,
C
iss
= 170 pF typ., R
DS(ON)
= 0.220 Ω max. (V
GS
= 2.5 V),
CPH3 package
FTS2001
V
GS
= 10 V max., I
D
= 5 A max., V
th
= 0.4 V min.,
C
iss
= 750 pF typ., R
DS(ON)
= 0.046 Ω max. (V
GS
= 2.5 V),
8-Pin TSSOP package
Si2302DS Vishay Siliconix
V
GS
= 8 V max., I
D
= 2.8 A max., V
th
= 0.65 V min.,
R
DS(ON)
= 0.115 Ω max. (V
GS
= 2.5 V), SOT-23 package
FDN335N
Fairchild Semiconductor
Corporation
V
GS
= 8 V max., I
D
= 1.7 A max., V
th
= 0.4 V min.,
C
iss
= 310 pF typ., R
DS(ON)
= 0.100 Ω max. (V
GS
= 2.5 V),
Super SOT-3
®
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.
Remark Super SOT-3 is a registered trademark or a trademark of Fairchild Semiconductor Corporation.
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8460
Rev.2.1_00
24
Seiko Instruments Inc.
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-8460 is used under
conditions (1) to (16) in
Table 4.
(1) S-8460B00AFT (V
OUT
= 3.3 V) (2) S-8460B00AFT (V
OUT
= 3.3 V)
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
CPH6401,MA2Q737,CDRH104R/22
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
FTS2001,MA2Q737,CDRH104R/22
μ
H
V
IN
=2.7
3.0V
3.3V
4.95V
(3) S-8460B00AFT (V
OUT
= 3.3 V) (4) S-8460B00AFT (V
OUT
= 3.3 V)
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
CPH3403,MA2Q737,CDRH104R/22
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
4.0V
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
CPH3403,D1FH3,CDRH104R/22
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
4.0V
3.3V
(5) S-8460B00AFT (V
OUT
= 3.3 V) (6) S-8460B00AFT (V
OUT
= 3.3 V)
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
Si2302DS,D1FH3,CDRH104R/22
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
4.0V
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
FDN335N,D1FH3,CDRH104R/22
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
4.0V
3.3V
(7) S-8460B00AFT (V
OUT
= 3.3 V) (8) S-8460B00AFT (V
OUT
= 3.3 V)
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
CPH6401,MA2Q737,CDRH104R/10
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
50
60
70
80
90
100
1 10 100 1000
I
OUT
(mA)
効率
(%)
CPH6401,MA2Q737,CDRH104R/47
μ
H
V
IN
=2.7V
3.0V
4.95V
3.3V
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
Efficiency η (%)
CPH6401, MA2Q737, CDRH104R/22 μH
FTS2001, MA2Q737, CDRH104R/22 μH
CPH3403, MA2Q737, CDRH104R/22 μH
CPH3403, D1FH3, CDRH104R/22 μH
Si2302DS, D1FH3, CDRH104R/22 μH
FDN335N, D1FH3, CDRH104R/22 μH
CPH6401, MA2Q737, CDRH104R/10 μH
CPH6401, MA2Q737, CDRH104R/47 μH
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S-8460B00AFT-TBG

Mfr. #:
Buy S-8460B00AFT-TBG
Manufacturer:
ABLIC
Description:
Switching Controllers 2.5-6.0V Step-Up/Dwn
Lifecycle:
New from this manufacturer.
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