参数资料
型号: ISL6271AEVAL1
厂商: Intersil
文件页数: 5/13页
文件大小: 0K
描述: EVALUATION BOARD FOR ISL6271A
标准包装: 1
主要目的: DC/DC,LDO 步降
输出及类型: 3,非隔离
输出电压: 0.85 ~ 1.6V,1.1V,1.3V
电流 - 输出: 800mA,50mA,40mA
输入电压: 2.76 ~ 5.5V
稳压器拓扑结构: 降压
频率 - 开关: 1.2MHz
板类型: 完全填充
已供物品: 板,线缆
已用 IC / 零件: ISL6271A
Setup Instructions for the ISL6271A Evaluation Kit
Connect J3 on evaluation board to the electronic load, ( Figure 7 ), observing proper polarities.
T
O
L
O
A
D
FIGURE 7.
CONNECT THE J3 ON THE EVALUATION BOARD TO THE ELECTRONIC LOAD
NOTE: (Fixed resistive loads of 1Kohm each are connected across the VPLL and VSRAM outputs onboard. If variable loading is
desired, such a load can be connected via J4)
Reapply power and observe DVM#2 indicating 1.3V and that the load is sinking 200mA.
Basic functionality is confirmed and thorough testing/characterization can begin.
TP5 and TP2 will accommodate low-noise Tek scope probe tips for monitoring the AC characteristics of Vcore and
Phase, respectively.
The phase node is a good signal point from which to trigger and observe cycle-by-cycle switching behavior of the
V core regulator. Connect the trigger channel to the TP2 probe point to trigger on the phase signal. See Figure 8 for a
typical scope shot of the Vcore voltage(AC) when triggered from the phase node.
V core
Phase
5
FIGURE 8.
V CORE AND PHASE
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