参数资料
型号: MIC261203YJL EV
厂商: Micrel Inc
文件页数: 3/31页
文件大小: 0K
描述: BOARD EVAL FOR MIC261203YJL
标准包装: 1
系列: HyperLight Load®, SuperSwitcher IIG™
主要目的: DC/DC,步降
输出及类型: 1,隔离
输出电压: 5V
电流 - 输出: 12A
输入电压: 5.5 ~ 28 V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MIC261203
其它名称: 576-4014
Micrel, Inc.
Pin Description (Continued)
MIC261203
Pin Number
23
24
25
26
27
28
Pin Name
SGND
FB
PG
EN
VIN
VDD
Pin Function
Signal ground. SGND must be connected directly to the ground planes. Do not route the SGND pin
to the PGND Pad on the top layer, see PCB layout guidelines for details.
Feedback (Input): Input to the transconductance amplifier of the control loop. The FB pin is
regulated to 0.8V. A resistor divider connecting the feedback to the output is used to adjust the
desired output voltage.
Power Good (Output): Open Drain Output. The PG pin is externally tied with a resistor to VDD. A
high output is asserted when V OUT > 92% of nominal.
Enable (input): A logic level control of the output. The EN pin is CMOS-compatible. Logic high =
enable, logic low = shutdown. In the off state, supply current of the device is greatly reduced
(typically 5μA). The EN pin should not be left open.
Power Supply Voltage (Input): Requires bypass capacitor to SGND.
5V Internal Linear Regulator (Output): VDD supply is the supply bus for the IC control circuit. VDD
is created by internal LDO from V IN . When V IN < + 5.5V, VDD should be tied to PVIN pins. A 1.0μF
ceramic capacitor from the VDD pin to SGND pins must be place next to the IC.
July 2011
3
M9999-071311-A
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