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参数资料
| 型号： | XC9503B093AR-G |
| 厂商： | Torex Semiconductor Ltd |
| 文件页数： | 8/32页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1A DL 10MSOP |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.9 V ~ 10 V |
| 输入电压： | 2 V ~ 10 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-MSOP |
| 其它名称： | 893-1163-6 |
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XC9503 Series
■ OPERATIONAL EXPLANATION (Continued)
<Setting of Output Voltage>
Output voltage can be set by adding external split resistors.
Output voltage is determined by the following equation, based
on the values of R FB11 (R FB21 ) and R FB12 (R FB22 ). The sum of R FB11 (R FB21 ) and R FB12 (R FB22 ) should normally be 1M Ω or
less.
V OUT =0.9 × (R FB11 +R FB12 ) /R FB12
The value of C FB1 (C FB2 ), speed-up capacitor for phase compensation, should be fzfb= 1 / (2 × π × C FB1 × R FB11 ) 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 (C L ).
[Example of Calculation]
When R FB11 =200k Ω and R FB12 =75k Ω , V OUT1 =0.9 × (200k+75k) / 75k=3.3V.
[Typical Example]
V OUT
(V)
R FB11
(k Ω )
R FB12
(k Ω )
C FB1
(pF)
V OUT
(V)
R FB11
(k Ω )
R FB12
(k Ω )
C FB1
(pF)
1.0 30 270 430
1.5 220 330 62
1.8 220 220 62
2.0 330 270 39
2.2 390 270 33
2.5
2.7
3.0
3.3
5.0
390
360
560
200
82
220
180
240
75
18
33
33
24
62
160
The same method can be adopted for channel two also.
[External Components]
Tr
:
* MOSFET
XP162A12A6P (P-ch Power MOSFET, TOREX)
Note: V GS breakdown voltage of this Tr. is 12V so
please be careful with the power supply voltage.
SD :
MA2Q737 (Schottky, MATSUSHITA)
CMS02 (Schottky, TOSHIBA)
L
:
10 μ H
(CDRH5D28, SUMIDA, FOSC = 500kHz)
22 μ H (CDRH5D28, SUMIDA, FOSC = 300kHz)
22 μ H (CDRH5D28, SUMIDA, FOSC = 180kHz)
C L1 :
16V, 47 μ F (Tantalum)
Increase capacity according to the equation below when the step-up
voltage ratio is large and output current is high.
C=(C L standard value) × (I OUT (mA) / 500mA × V OUT / V IN
Tr
:
* PNP MOSFET
2SA1213 (SANYO)
R B :
500 Ω ( Adjust in accordance with load & Tr.'s HFE.)
Set according to the equation below.
R B ≦ (V IN -0.7) × hFE / IC-R EXTBH
C B
:
2200pF (Ceramic)
Set according to the equation below.
C B1 ≦ (2 π× R B × FOSC × 0.7)
The same components can be adopted for both channel 1 and channel 2.
8/32
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XC9503B093ARN | 制造商:Torex Semiconductor LTD 功能描述: |
| XC9503B095A | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs |
| XC9503B095AL | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs |
| XC9503B095AR | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs |
| XC9504 | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
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