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参数资料
| 型号： | MC33163DWR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST INV ADJ 16SOIC |
| 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： | 1.25 V ~ 40 V |
| 输入电压： | 2.5 V ~ 40 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 50kHz |
| 电流 - 输出： | 3.4A |
| 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： | 16-SOIC（0.295"，7.50mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-SOIC W |
| 其它名称： | MC33163DWR2GOS MC33163DWR2GOS-ND MC33163DWR2GOSTR |
MC34163, MC33163
Calculation
Step ? Down
Step ? Up
Voltage ? Inverting
V sat
in
* V sat
in
ton
1,
(Notes toff 2, 3)
V
in
V out ) V F
* V sat * V out
V out ) V F
V
V
in
|V out| ) V F
V
off
t on
) 1
off
off
t on
) 1
off
off
t on
) 1
off
ton
?
t
t on
t
?
t
t on
t
?
t
t on
t
CT
32.143 · 10 6
?
32.143 · 10 6
?
32.143 · 10 6
?
off
off
IL(avg)
Iout
I out
t on
t
) 1
I out
t on
t
) 1
D I
D I
D I
Ipk (Switch)
IL(avg) )
L
2
IL(avg) )
L
2
IL(avg) )
L
2
RSC
0.25
Ipk (Switch)
0.25
Ipk (Switch)
0.25
Ipk (Switch)
D I
D I
D I
L
V
in
* V sat * V out
L
t on
V
in
* V sat
L
t on
V
in
* V sat
L
t on
O
O
V ripple(pp)
D IL
1
?
8 CO
2
) (ESR)2
[
t on I out
C
[
t on I out
C
Vout
V
ref
R2
R1
) 1
V
ref
R2
R1
) 1
V
ref
R2
R1
) 1
The following Converter Characteristics must be chosen:
V in ?
V out ?
I out ?
D I L ?
Nominal operating input voltage.
Desired output voltage.
Desired output current.
Desired peak ? to ? peak inductor ripple current. For maximum output current it is suggested that D I L be chosen to be less
than 10% of the average inductor current I L(avg) . This will help prevent I pk (Switch) from reaching the current limit
threshold set by R SC . If the design goal is to use a minimum inductance value, let D I L = 2(I L(avg) ). This will
proportionally reduce converter output current capability.
p ? Maximum output switch frequency.
V ripple(pp) ? Desired peak ? to ? peak output ripple voltage. For best performance the ripple voltage should be kept to a low value
since it will directly affect line and load regulation. Capacitor C O should be a low equivalent series resistance (ESR)
electrolytic designed for switching regulator applications.
NOTES:
NOTES:
NOTES:
NOTES:
1.
2.
3.
3.
V sat ? Saturation voltage of the output switch, refer to Figures 8 and 9.
V F ? Output rectifier forward voltage drop. Typical value for 1N5822 Schottky barrier rectifier is 0.5 V.
The calculated t on /t off must not exceed the minimum guaranteed oscillator charge to discharge ratio of 8, at the minimum
operating input voltage.
Figure 28. Design Equations
http://onsemi.com
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33163DWR2G-CUT TAPE | 制造商:ON 功能描述:MC33163 Series 40V 3.4A 54kHz Step-Up/Down/Inverting Switching Regulator-SOIC-16 |
| MC33163P | 功能描述:直流/直流开关调节器 40V 3.4A RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MC33163PG | 功能描述:直流/直流开关调节器 40V 3.4A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MC33164 | 制造商:SPC Multicomp 功能描述:FUSE RESETTABLE RADIAL 4A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, RADIAL, 30V, 4A 制造商:SPC Multicomp 功能描述:RESETTABLE FUSE RADIAL 4A 制造商:SPC Multicomp 功能描述:FUSE, PTC RESET, 30V, 4A, RADIAL; Holding Current:4A; Tripping Current:8A; Initial Resistance Max:0.05ohm; Operating Voltage:30V; Series:FRU; PTC Fuse Case:Radial Leaded; External Depth:3mm; Initial Resistance Min:0.01ohm ;RoHS Compliant: Yes |
| MC33164 | 制造商:SPC Multicomp 功能描述:PTC Resettable Fuse |
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