参数资料
型号: ISL62882EVAL2Z
厂商: Intersil
文件页数: 14/42页
文件大小: 0K
描述: EVALUATION BOARD FOR ISL62882
标准包装: 1
系列: Robust Ripple Regulator™ (R³)
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 0.3 ~ 1.5V
电流 - 输出: 60A
输入电压: 4.5 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ISL62882
ISL62882, ISL62882B
TABLE 1. VID TABLE (Continued)
VDD
VR_ON
5mV/μs
VID6
VID5
VID4
VID3
VID2
VID1
VID0
V O
(V)
800μs
2.5mV/μs
90% Vboot
VID
COMMAND
VOLTAGE
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1.3500
1.3375
DAC
CLK_EN#
13 SWITCHING
CYCLES
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
1
1
0
0
1
0
1.3250
1.3125
1.3000
PGOOD
~7ms
0
0
1
0
0
0
1
1.2875
FIGURE 10. SOFT-START WAVEFORMS FOR CPU VR APPLICATION
VDD
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
1
0
1
1.2750
1.2625
1.2500
1.2375
VR_ON
SLEW
RATE
90%
120μs
VID COMMAND
VOLTAGE
0
0
0
0
0
0
1
1
1
0
0
1
1
1
0
1
1
0
0
1
0
1.2250
1.2125
1.2000
DAC
CLK_EN#
13 SWITCHING
CYCLES
~7ms
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
0
1
1.1875
1.1750
1.1625
PGOOD
FIGURE 11. SOFT-START WAVEFORMS FOR GPU VR APPLICATION
Voltage Regulation and Load Line
Implementation
After the start sequence, the ISL62882 regulates the output
voltage to the value set by the VID inputs per Table 1. The
ISL62882 will control the no-load output voltage to an accuracy of
±0.5% over the range of 0.75V to 1.5V. A differential amplifier
allows voltage sensing for precise voltage regulation at the
microprocessor die.
TABLE 1. VID TABLE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
1.1500
1.1375
1.1250
1.1125
1.1000
1.0875
1.0750
1.0625
1.0500
1.0375
VID6
0
0
0
0
0
0
0
0
0
0
0
VID5
0
0
0
0
0
0
0
0
0
0
0
VID4
0
0
0
0
0
0
0
0
0
0
0
VID3
0
0
0
0
0
0
0
0
1
1
1
VID2
0
0
0
0
1
1
1
1
0
0
0
VID1
0
0
1
1
0
0
1
1
0
0
1
VID0
0
1
0
1
0
1
0
1
0
1
0
V O
(V)
1.5000
1.4875
1.4750
1.4625
1.4500
1.4375
1.4250
1.4125
1.4000
1.3875
1.3750
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1.0250
1.0125
1.0000
0.9875
0.9750
0.9625
0.9500
0.9375
0.9250
0.9125
0.9000
0.8875
0.8750
0
0
0
1
0
1
1
1.3625
14
FN6890.4
June 21, 2011
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