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XC9303B03KR Datasheet(PDF) 6 Page - Torex Semiconductor

Part # XC9303B03KR
Description  Step-Up & Down DC / DC Controller ICs
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9303B03KR Datasheet(HTML) 6 Page - Torex Semiconductor

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" HOW TO USE
<Setting of Output Voltage>
VOUT = 0.9
× ( RFB11 + RFB12 ) / RFB12
[Example of Calculation]
When RFB11 = 200k
Ω and RFB12 = 75kΩ, VOUT1 = 0.9 × ( 200K + 75k ) / 75k = 3.3V.
[Typical Example]
[External Components]
Tr 1 : CPH6315
(Pch MOSFET : SANYO),
IRLM6702 (Pch MOSFET : IR)
Tr 2 : CPH3409
(Nch MOSFET : SANYO),
IRLM1902 (Nch MOSFET : IR)
Tr 3 : CPH3409
(Nch MOSFET : SANYO),
IRLM2502 (Nch MOSFET : IR)
Note :
VGS Breakdown Voltage of CHPH6315 and CPH3409 is 10V so please be careful with the power supply voltage.
L :
22
µH
(SUMIDA CDRH127 / LD)
CIN :
16V, 47
µF
(NICHICEMI Tantalum MCE Series)
CL :
16V, 47
µF x 2
(NICHICEMI Tantalum MCE Series)
SD :
CMS02
(TOSHIBA, Schottky Barrier Diode)
" EXTERNAL COMPONENTS
$ COIL
$ INPUT / OUTPUT CAPACITANCE
$ SCHOTTKY BARRIER DIODE
$ TRANSISTOR (Pch MOSFET)
$ TRANSISTOR (Nch MOSFET)
6
For the power supply voltage more than 8V, CPH3308 (Pch MOSFET : SANYO) or CPH3408 (Nch MOSFET :
SANYO) which breakdown voltage is 20V are recommended.
XC9303 Series
High Efficiency, Synchronous
Step-Up & Down DC / DC Controller ICs
VOUT
(V)
RFB11
(k
Ω)
RFB12
(k
Ω)
CFB1
(pF)
VOUT
(V)
RFB11
(k
Ω)
RFB12
(k
Ω)
CFB1
(pF)
2.0
330
270
39
3.3
200
75
62
2.2
390
270
33
5.0
82
18
160
2.5
390
220
33
2.7
360
180
33
Output voltage can be set by adding external split resistors. Output voltage is determined by the following equation, based on the values of
RFB11(RFB21) and RFB12(RFB22). The sum of RFB11(RFB21) and RFB12(RFB22) should normally be 1 M
Ω or less.
The value of CFB1(CFB2), speed-up capacitor for phase compensation, should be fzfb= 1 / (2
× π × CFB1 × RFB11) which is equal to 12kHz.
Adjustments are required from 1kHz to 50kHz depending on the application, value of inductance (L), and value of load capacity (CL).
3.0
560
240
24
PART NUMBER
CDRH127 / LD-220
16MCE476MD2
CMS02
CPH6315
CPH3308
SANYO
CPH3409
PART NUMBER
MANUFACTURER
CHP3408
SANYO
MANUFACTURER
SUMIDA
NICHICHEMI
TOSHIBA
SANYO
SANYO
IR
PART NUMBER
MANUFACTURER
PART NUMBER
MANUFACTURER
PART NUMBER
MANUFACTURER
IRLMS6702
VDSS (V)
VGSS (V)
ID (A)
ABSOLUTE MAX. RATINGS
PKG.
VDSS (V)
VGSS (V)
ID (A)
ABSOLUTE MAX. RATINGS
Rds (ON)
MAX.(m
Ω)
Cisss typ (pF)
VGS (off) (V)
PKG.
30
±10
5
30
±20
5
CPH6
- 30
±20
- 4
140 (VDS= - 4.0V)
560 (VDC= - 10V)
- 2.4 (MAX.)
CPH3
- 20
±12
CPH6
CPH3
42 (VDS=4.0V)
68 (VDS=4.0V)
630 (VDC= 10V)
1.3 (MAX.)
480 (VDC= 10V)
2.4 (MAX.)
- 2.3
200 (VDS= - 4.5V)
210 (VDC= - 15V)
- 0.7 (MAX.)
H (mm)
4.7
12.3 x 12.3
8
RATED CURRENT
(A)
W x L (mm)
CAPACITANCE
(
µF)
W x L (mm)
H (mm)
410 (VDC= - 10V)
- 1.4 (MAX.)
Irmax (A)
3.2
±0.2
±10
Cisss typ (pF)
VGS (off) (V)
L VALUE (
µH)
SERIAL
RESISTANCE (
Ω)
FORWARD
CURRENT
Vfmax (V)
22
36.4 m
47
16.0
4.6 x 5.8
VOLTAGE (V)
30
3
0.4 (IF=3A)
- 3
150 (VDS= - 4.0V)
Rds (ON)
MAX.(m
Ω)
- 20
Micro6
0.5m (VR=30V)
2.4 x 4.7
0.98
±0.1
W x L (mm)
H (mm)
REVERSE
CURRENT
Semiconductor Ltd.


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