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| 型号： | MC34063ADRJRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 10/23页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST INV ADJ 8-SON |
| 标准包装： | 1,000 |
| 类型： | 降压（降压），升压（升压），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.55 V ~ 40 V |
| 输入电压： | 3 V ~ 40 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SON 裸露焊盘（4x4） |
SLLS636M – DECEMBER 2004 – REVISED JANUARY 2011
APPLICATION INFORMATION
CALCULATION
t on /t off
(t on + t off )
STEP UP
V out ) V F * V in(min)
V in(min) * V sat
1
f
t on ) t off
STEP DOWN
V out ) V F
V in(min) * V sat * V out
1
f
t on ) t off
VOLTAGE INVERTING
V out ) V F
V in * V sat
1
f
t on ) t off
t off
t on
t off
) 1
t on
t off
) 1
t on
t off
) 1
t on
t on ) t off * t off
t on ) t off * t off
t on ) t off * t off
C T
4
10 * 5
t on
4
10 * 5
t on
4
10 * 5 t on
I pk(switch)
2I out(max)
t on
t off
) 1
2I out(max)
2I out(max)
t on
t off
) 1
0.3
0.3
0.3
R SC
I pk(switch)
I pk(switch)
I pk(switch)
L (min)
C O
V in(min) * V sat
I pk(switch)
I out t on
9
V ripple(pp)
t on(max)
V in(min) * V sat * V out
I pk(switch)
I pk(switch) t on ) t off
8V ripple(pp)
t on(max)
V in(min) * V sat
I pk(switch)
I out t on
9
V ripple(pp)
t on(max)
1.25(1 ) R2 )
1.25(1 ) R2 )
* 1.25(1 ) R2 )
V out
R1
R1
R1
V sat = Saturation voltage of the output switch
V F = Forward voltage drop of the chosen output rectifier
The following power-supply parameters are set by the user:
V in = Nominal input voltage
V out = Desired output voltage
I out = Desired output current
f min = Minimum desired output switching frequency at the selected values of V in and I out
V ripple = Desired peak-to-peak output ripple voltage. The ripple voltage directly affects the line and load
regulation and, thus, must be considered. In practice, the actual capacitor value should be larger than the
calculated value, to account for the capacitor's equivalent series resistance and board layout.
10
Copyright ? 2004 – 2011, Texas Instruments Incorporated
Product Folder Link(s): MC33063A MC34063A
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相关代理商/技术参数 |
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|---|---|
| MC34063ADX | 功能描述:开关变换器、稳压器与控制器 SMPS Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MC34063AGD | 制造商:HTC 制造商全称:HTC Korea TAEJIN Technology Co. 功能描述:DC-DC Converter Control Circuits |
| MC34063AG-D08-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DC TO DC CONVERTER CONTROLLER |
| MC34063AGN | 制造商:HTC 制造商全称:HTC Korea TAEJIN Technology Co. 功能描述:DC-DC Converter Control Circuits |
| MC34063AG-S08-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DC TO DC CONVERTER CONTROLLER |
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