参数资料
型号: LTM4612IV#PBF
厂商: Linear Technology
文件页数: 8/28页
文件大小: 0K
描述: IC BUCK SYNC ADJ 5A 133LGA
产品培训模块: High Voltage µModule DC/DC Regulators
Power Module vs. Discrete DC to DC
µModule® Family of EN55022 Class B Certified Regulators
软件下载: LTM4612 Spice Model
产品目录绘图: LTM Series_15x15x2.8
设计资源: DC1297B Design Files
LTM4612IV#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): 5V
电压 - 输入(最大): 36V
Voltage - Output 1: 3.3 ~ 15 V
电流 - 输出(最大): 5A
安装类型: 表面贴装
封装/外壳: 133-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
产品目录页面: 2711 (CN2011-ZH PDF)
LTM4612
PIN FUNCTIONS
V FB (Pin F12): The Negative Input of the Error Ampli-
fier. Internally, this pin is connected to V OUT with a 100k
0.5% precision resistor. Different output voltages can be
programmed with an additional resistor between the V FB
and SGND pins. See the Applications Information section.
MARG0 (Pin C12): LSB Logic Input for the Margining
Function. Together with the MARG1 pin, the MARG0 pin
will determine if a margin high, margin low, or no margin
state is applied. The pin has an internal pull-down resistor
of 50k. See the Applications Information section.
MARG1 (Pins C11, D12): MSB Logic Input for the Margin-
ing Function. Together with the MARG0 pin, the MARG1 pin
will determine if a margin high, margin low, or no margin
state is applied. The pins have an internal pull-down resistor
of 50k. See the Applications Information section.
SGND (Pins D9, H12): Signal Ground Pins. These pins
connect to PGND at output capacitor point.
COMP (Pins A11, D11): Current Control Threshold and
Error Amplifier Compensation Point. The current com-
parator threshold increases with this control voltage. The
voltage ranges from 0V to 2.4V with 0.7V corresponding
to zero sense voltage (zero current).
PGOOD (Pin G12): Output Voltage Power Good Indicator.
Open-drain logic output that is pulled to ground when the
output voltage is not within ±10% of the regulation point,
after a 25μs power bad mask timer expires.
RUN (Pins A10, B9): Run Control Pins. A voltage above
1.9V will turn on the module, and below 1V will turn off
the module. A programmable UVLO function can be ac-
complished with a resistor from V IN to this pin that is has
a 5.1V zener to ground. Maximum pin voltage is 5V.
NC (Pins J12, K12, L12): No Connect Pins. Leave floating.
4612fb
8
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