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参数资料
| 型号： | HIP6302EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD HIP6302 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.7V |
| 电流 - 输出： | 35A |
| 输入电压： | 5V，12V |
| 稳压器拓扑结构： | 降压 |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | HIP6302 |
Application Note AN9888
Figure 4 shows the core voltage, inductor current, and PWM
The close up in Figure 6 shows the core-voltage, inductor-
signals changing in response to the transient load current.
current and PWM signals changing in response to the
The upper waveform shows the core voltage deviating from
trailing edge of the transient load current. Again, the duty
its no-load setting of 1.72V to a minimum of about 1.62V
cycles immediately decrease to zero, and the inductors
upon the application of current. The voltage then settles to its
begin shedding load current at the maximum rate. Note that
1.67V full-load setting. On load removal, the core voltage
the inductor currents brie?y go negative as the transient
peaks at a level of 1.78V before settling again to its 1.72V
settles. The capacitors are slightly over charged at the end of
no-load setting. Although the speci?ed operating range
the transient, and the discharge path is in the reverse
allows deviations as low as 1.60V and as high as 1.85V, a
direction through the inductors.
minimum of 20mV is reserved to allow for the reference
tolerance and the tolerances of other components that
contribute to the overall system accuracy.
CORE VOLTAGE,
50mV/DIV
1.7V
CORE VOLTAGE, 50mV/DIV
1.7V
INDUCTOR CURRENTS,
10A/DIV
INDUCTOR CURRENTS, 10A/DIV
0A
0V
PWM1, 10V/DIV
PWM2, 10V/DIV
0A
PWM1, 10V/DIV
0V
5 μ s/DIV
0V
PWM2, 10V/DIV
FIGURE 6. TRANSIENT-RESPONSE TRAILING EDGE
0V
20 μ s/DIV
Overcurrent Protection
FIGURE 4. HIP6302EVAL1 TRANSIENT RESPONSE
When the current out of either ISEN pin exceeds 82 μ A, the
HIP6302 detects an overcurrent condition and responds by
Figure 5 is a close-up showing the core-voltage, inductor-
placing the PWM outputs into a high-impedance state. This
current and PWM signals responding at the leading edge of
signals the HIP6601 to turn off both upper and lower
the transient load current. The PWM signals increase to their
MOSFETs in order to remedy the overcurrent condition.This
maximum duty cycle of 75% on the ?rst pulse following the
behavior is seen in Figure 7 where PWM1 goes immediately to
start of the transient. The inductor currents begin to increase
2.5VDC when the output current reaches approximately 50A.
immediately and are carrying all of the load within 10 μ s. The
The output voltage then quickly falls to zero.
very fast transient response is due to the precision 18MHz
error ampli?er and optimal compensation of the control loop.
1.7V
OUTPUT CURRENT,
20A/DIV
CORE VOLTAGE, 50mV/DIV
INDUCTOR CURRENTS,
10A/DIV
0A
0V
CORE VOLTAGE,
500mV/DIV
PWM1, 5V/DIV
0A
PWM1, 10V/DIV
0V
0V
PWM2, 10V/DIV
50 μ s/DIV
0V
5 μ s/DIV
FIGURE 7. OVERCURRENT BEHAVIOR
FIGURE 5. TRANSIENT-RESPONSE LEADING EDGE
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HIP6302V | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller |
| HIP6302VCB | 功能描述:IC REG CTRLR BUCK PWM 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| HIP6302VCB-T | 功能描述:IC REG CTRLR BUCK PWM 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| HIP6302VCBZ | 功能描述:电流型 PWM 控制器 TWO PHS SYNCH BUCK CNTRLR VRM 9 X RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| HIP6302VCBZ-T | 功能描述:电流型 PWM 控制器 2 PHS SYNCH BUCK CTR VRM 9 X W/VID ON RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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