- 您现在的位置：买卖IC网 > PDF目录13808 > LT3512MPMS#PBF (Linear Technology)IC REG FLYBK ISO ADJ .42A 16MSOP PDF资料下载
参数资料
| 型号： | LT3512MPMS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC REG FLYBK ISO ADJ .42A 16MSOP |
| 标准包装： | 37 |
| 类型： | 回扫，隔离 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 4.5 V ~ 100 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 40kHz ~ 650kHz |
| 电流 - 输出： | 420mA |
| 同步整流器： | 无 |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm），12 引线 |
| 包装： | 管件 |
| 供应商设备封装： | 16-MSOP |
LT3512
APPLICATIONS INFORMATION
( V OUT + V F ) ? N PS
( V OUT + V F ) ? N PS + V IN
similar to a nonisolated buck-boost. The duty cycle will
affect the input and output currents, making it hard to
predict output power. In addition, the winding ratio can
be changed to multiply the output current at the expense
of a higher switch voltage.
The graphs in Figures 1-4 show the typical maximum
output power possible for the output voltages 3.3V, 5V,
12V and 24V. The maximum power output curve is the
calculated output power if the switch voltage is 100V
during the off-time. 50V of margin is left for leakage volt-
age spike. To achieve this power level at a given input, a
winding ratio value must be calculated to stress the switch
to 100V, resulting in some odd ratio values. The following
curves are examples of common winding ratio values
and the amount of output power at given input voltages.
5.0
One design example would be a 5V output converter with
a minimum input voltage of 36V and a maximum input
voltage of 72V. A four-to-one winding ratio fits this design
example perfectly and outputs close to 3.0W at 72V but
lowers to 2.5W at 36V.
The equations below calculate output power:
Power = η ? V IN ? D ? I PEAK ? 0.5
Efficiency = η = ~83%
Duty cycle = D =
Peak switch current = I PEAK = 0.44A
5.0
4.0
N = N PS(MAX)
N = 15
N = 12
N = 10
4.0
N=5
N = N PS(MAX)
N=4
N=3
3.0
N=8
3.0
N=2
N=6
2.0
1.0
N=4
N=2
2.0
1.0
N=1
0
0
20
40 60
80
100
0
0
20
40 60
80
100
INPUT VOLTAGE (V)
3512 F01
Figure 1. Output Power for 3.3V Output
INPUT VOLTAGE (V)
3512 F03
Figure 3. Output Power for 12V Output
5.0
4.0
N = N PS(MAX)
N=8
N=7
N=6
5.0
4.0
N = N PS(MAX)
N=2
N=5
3.0
N=4
3.0
N=1
N=3
2.0
1.0
N=2
N=1
2.0
1.0
0
0
20
40 60
80
100
0
0
20
40 60
80
100
INPUT VOLTAGE (V)
3512 F02
Figure 2. Output Power for 5V Output
INPUT VOLTAGE (V)
3512 F04
Figure 4. Output Power for 24V Output
3512fb
9
相关PDF资料 |
PDF描述 |
|---|---|
| LT1074HVIT7 | IC REG MULTI CONFIG ADJ TO220-7 |
| V72B8C150B2 | CONVERTER MOD DC/DC 8V 150W |
| GMM28DSUH | CONN EDGECARD 56POS DIP .156 SLD |
| MAX6721AUTYVD3+T | IC SUPERVISOR MPU SOT23-6 |
| GMM28DSUN | CONN EDGECARD 56POS DIP .156 SLD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3513 | 制造商:LINER 制造商全称:Linear Technology 功能描述:2MHz High Current 5-Output Regulator for TFT-LCD Panels |
| LT3513EUHF#PBF | 功能描述:IC REG 5-OUT FOR TFT-LCD 38QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LT3513EUHF#TRPBF | 功能描述:IC REG 5-OUT FOR TFT-LCD 38QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
| LT3513EUHF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:2MHz High Current 5-Output Regulator for TFT-LCD Panels |
| LT3513EUHF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:2MHz High Current 5-Output Regulator for TFT-LCD Panels |
发布紧急采购，3分钟左右您将得到回复。