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参数资料
| 型号： | LTM4614EV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC UMODULE DC/DC DUAL 4A 144LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC |
| 软件下载： | LTM4614 |
| 产品目录绘图： | LTM Series_15x15x2.8 |
| 设计资源： | DC1385A Design Files |
| 特色产品： | μModule Products DC/DC μModule Regulator Family |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 2 |
| 电压 - 输入（最小）： | 2.38V |
| 电压 - 输入（最大）： | 5.5V |
| Voltage - Output 1： | 0.8 ~ 5 V |
| Voltage - Output 2： | 0.8 ~ 5 V |
| 电流 - 输出（最大）： | 4A，4A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.11" H（15.0mm x 15.0mm x 2.8mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 125°C |
| 效率： | 95% |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
| 配用： | DC1385A-ND - BOARD EVAL LTM4614 |
LTM4614
PIN FUNCTIONS
Slave operation is performed by putting a resistor divider
from the master output to the ground, and connecting the
center point of the divider to this pin on the slave regulator.
If tracking is not desired, then connect the TRACK pin to
V IN . Load current must be present for tracking. See the
Applications Information section.
FB1, FB2 (L6, E6): The Negative Input of the Switching
Regulators’ Error Amplifier. Internally, these pins are con-
nected to V OUT with a 4.99k precision resistor. Different
output voltages can be programmed with an externally
connected resistor between the FB and GND pins. Two
power modules can current share when this pin is con-
nected in parallel with the adjacent module’s FB pin. See
the Applications Information section.
COMP1, COMP2 (L5, E5): Current Control Threshold
and Error Amplifier Compensation Point. The current
comparator threshold increases with this control voltage.
Two power modules can current share when this pin is
connected in parallel with the adjacent module’s COMP
pin. Each channel has been internally compensated. See
the Applications Information section.
SIMPLIFIED BLOCK DIAGRAM
PGOOD1, PGOOD2 (L4, E4): Output Voltage Power
Good Indicator. Open-drain logic output that is pulled to
ground when the output voltage is not within ±7.5% of
the regulation point.
RUN/SS1, RUN/SS2 (L2, E2): Run Control and Soft-Start
Pins. A voltage above 0.9V will turn on the module, and
below 0.6V will turn off the module. This pin has a 1M
resistor to V IN and a 1000pF capacitor to GND. The volt-
age on the RUN/SS pin clamps the control loop’s current
comparator threshold. A RUN/SS pin voltage of 2.375V
upon completion of soft-start guarantees the regulator can
deliver full output current. To turn off the module while
V IN remains active, the RUN/SS pin should be pulled low
with a falling edge ≤ 1μs to ensure the device does not
transition slowly through the internal undervoltage lockout
threshold. See Applications Information section for soft-
start information.
SW1, SW2 (H2-H6, B2-B6): The switching node of the
circuit is used for testing purposes. This can be connected
to copper on the board for improved thermal performance.
PGOOD
RUN/SS
R SS
1M
4.7μF
6.3V
V IN
V IN
22μF 2.375V TO 5.5V
6.3V
TRACK
SUPPLY
4.99k
C SSEXT
5.76k
C SS
1000pF
TRACK
COMP
INTERNAL
COMP
CONTROL, DRIVE
POWER FETS
M1
M2
0.47μH
C2
470pF
R1
4.99k
V OUT
4.7μF
6.3V
GND
100μF
X5R
V OUT
1.5V
4A
FB
R FB
5.76k
SW
4614 F01
Figure 1. Simplified LTM4614 Block Diagram of Each Switching Regulator Channel
4614fb
6
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相关代理商/技术参数 |
参数描述 |
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| LTM4614IV | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 4A per Channel Low VIN DC/DC μModule Regulator |
| LTM4614IV#PBF | 功能描述:IC UMODULE DC/DC DUAL 4A 144LGA 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:* |
| LTM4614IVPBF | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Step-Down 5.5V LGA144 |
| LTM4615 | 制造商:LINER 制造商全称:Linear Technology 功能描述:三路輸出、低電壓DC/DC μModule 穩壓器,LTM®4615 是一款具有一個額外 1.5A VLDO (非常低壓差)線性穩壓器的完整 4A 雙路輸出開關模式 DC/DC 電源 |
| LTM4615EV | 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output, Low Voltage DC/DC μModule Regulator |
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