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参数资料
| 型号： | LTM8033EV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 8/26页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC UMODULE BUCK 3A 76-LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC µModule® Family of EN55022 Class B Certified Regulators |
| 软件下载： | LTM8033 Spice Model |
| 产品目录绘图： | LTM8033 |
| 设计资源： | DC1623A Design Files LTM8033EV#PBF Footprint.bxl |
| 特色产品： | μModule Products |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 3.6V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 0.8 ~ 24 V |
| 电流 - 输出（最大）： | 3A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 76-LGA |
| 尺寸/尺寸： | 0.59" L x 0.44" W x 0.17" H（15.0mm x 11.3mm x 4.3mm） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
LTM8033
PIN FUNCTIONS
V OUT (Bank 1): Power Output Pins. Apply the output filter
capacitor and the output load between these pins and
GND pins.
GND (A8, Bank 2): Tie these GND pins to a local ground
plane below the LTM8033 and the circuit components.
Return the feedback divider (R ADJ ) to this net.
FIN (Bank 3): Filtered Input. This is the node after the input
EMI filter. Apply the capacitor recommended by Table 1.
Additional capacitance may be applied if there is a need
to modify the behavior of the integrated EMI filter; other-
wise, leave these pins unconnected. See the Applications
Information section for more details.
V IN (Bank 4): The V IN pin supplies current to the LTM8033’s
internal regulator and to the internal power switch. This
pin must be locally bypassed with an external, low ESR
capacitor; see Table 1 for recommended values. Ensure
that V IN + BIAS is less than 56V.
SHARE (Pin A6): Tie this to the SHARE pin of another
LTM8033 when paralleling the outputs. Otherwise, do
not connect.
ADJ (Pin A7): The LTM8033 regulates its ADJ pin to 0.79V.
Connect the adjust resistor from this pin to ground. The
value of R ADJ is given by the equation R ADJ = 394.21/(V OUT
– 0.79), where R ADJ is in k?.
RT (Pin B6): The RT pin is used to program the switching
frequency of the LTM8033 by connecting a resistor from
this pin to ground. The Applications Information section of
the data sheet includes a table to determine the resistance
value based on the desired switching frequency. Minimize
capacitance at this pin.
SYNC (Pin B8): This is the external clock synchronization
input. Ground this pin for low ripple Burst Mode ? operation
at low output loads. Tie to a stable voltage source greater
than 0.7V to disable Burst Mode operation. Do not leave
this pin floating. Tie to a clock source for synchronization.
Clock edges should have rise and fall times faster than
1μs. See the Synchronization section in the Applications
Information section.
PGOOD (Pin B7): The PGOOD pin is the open-collector
output of an internal comparator. PGOOD remains low
until the ADJ pin is greater than 90% of the final regulation
voltage. PGOOD output is valid when V IN is above 3.6V
and RUN/SS is high. If this function is not used, leave
this pin floating.
AUX (Pin G3): Low Current Voltage Source for BIAS.
In many designs, the BIAS pin is simply connected to
V OUT . The AUX pin is internally connected to V OUT and
is placed adjacent to the BIAS pin to ease printed circuit
board routing. Although this pin is internally connected
to V OUT , it is not intended to deliver a high current, so do
not connect this pin to the load. If this pin is not tied to
BIAS, leave it floating.
BIAS (Pin G4): The BIAS pin connects to the internal power
bus. Connect to a power source greater than 2.8V and less
than 25V. If the output is greater than 2.8V, connect this
pin there. If the output voltage is less, connect this to a
voltage source between 2.8V and 25V but ensure that V IN
+ BIAS is less than 56V.
RUN/SS (Pin G8): Pull the RUN/SS pin below 0.2V to
shut down the LTM8033. Tie to 2.5V or more for normal
operation. If the shutdown feature is not used, tie this pin
to the V IN pin. RUN/SS also provides a soft-start function;
see the Applications Information section.
8033fa
8
For more information www.linear.com/LTM8033
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| LTM8033IV#PBF | 功能描述:IC DC-DC UMODULE BUCK 3A 76-LGA RoHS:是 类别:电源 - 板载 >> DC DC Converters 系列:µModule® 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:66V 电压 - 输入（最大）:160V Voltage - Output 1:12V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:50W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-FinMod 尺寸/尺寸:4.60" L x 1.86" W x 0.79" H（116.8mm x 47.2mm x 20.1mm） 包装:散装 工作温度:-25°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
| LTM8033IV-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Noise EMC 36VIN, 3A DC/DC μModule Regulator |
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| LTM8033MPV-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Noise EMC 36VIN, 3A DC/DC ??Module Regulator |
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