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参数资料
| 型号： | ISL6111EVAL2 |
| 厂商： | Intersil |
| 文件页数： | 23/26页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD 2 FOR ISL6111 |
| 标准包装： | 1 |
| 主要目的： | 电源管理，热交换控制器 |
| 已用 IC / 零件： | ISL6111 |
| 已供物品： | 板 |
Technical Brief 457
Summary of Overcurrent Response
HIP1012A - If programmed OC setpoint is exceeded, gate is
modulated to regulate current to current regulation level until
programmed timeout occurs. If timeout occurs, both gates
latch off. If the load current exceeds 300% of the
programmed OC setpoint, affected gate is immediately
pulled to ground, then modulated to regulate current to
current regulation level until timeout occurs.
HIP1013 - If OC setpoint is exceeded, both gates will latch
off ~2μs after OC event
HIP1011, A, B, D, E - If programmed OC setpoint is
exceeded, all outputs latch off.
ISL6115, ISL6116, ISL6117, ISL6120 - If programmed OC
setpoint is exceeded, gate is modulated to regulate current
to current regulation level until programmed timeout occurs.
If timeout occurs, the gate latches off. If the overcurrent
voltage threshold is exceeded by more than 150mV, the
affected gate is immediately pulled to ground, then
modulated to regulate current to current regulation level until
timeout occurs.
ISL6118, ISL619, ISL6121 - If OC setpoint is exceeded,
current is regulated then the gate latches off ~12ms after OC
event.
ISL6111 - If programmed OC setpoint is exceeded, gate is
modulated to regulate current to current regulation level until
programmed timeout occurs. If timeout occurs, all four
gates latch off.
HIP1020 - This device does not provide current monitoring.
ISL6140, ISL6150 - If programmed OC setpoint is exceeded
for more than 2μs, gate will latch off.
ISL6173 - Two levels of overcurrent detection are present,
CR mode and WOC (Way Overcurrent) mode. If load
current reaches OC setpoint, the gate is modulated to
regulate current to current regulation level until current drops
below CR or programmed timeout occurs. If timeout occurs,
output will either latch off or indefinitely retry depending on
condition of RTR/LTCH pin. WOC mode is reached upon a
very high di/dt spike of >300% CR. Gate is pulled to GND
immediately, then the device enters CR mode.
23
ISL6141/51 - If programmed OC setpoint is exceeded, gate
is modulated to regulate current to current regulation level
until 500μs timeout occurs. If the overcurrent voltage
threshold is exceeded by more than 150mV, the affected
gate is immediately pulled to ground, then modulated to
regulate current to current regulation level until 500μs
timeout occurs. If timeout occurs, the gate latches off.
ISL6142/52 - If programmed OC setpoint is exceeded, gate
is modulated to regulate current to current regulation level
until programmed timeout occurs. If the overcurrent voltage
threshold is exceeded by more than 150mV, the affected
gate is immediately pulled to ground, then modulated to
regulate current to current regulation level until programmed
timeout occurs. If timeout occurs, the gate latches off.
ISL6161 - If programmed OC setpoint is exceeded, gate is
modulated to regulate current to current regulation level until
programmed timeout occurs. If timeout occurs, both gates
latch off. If the load current exceeds 300% of the
programmed OC setpoint, affected gate is immediately
pulled to ground, then modulated to regulate current to
current regulation level until timeout occurs.
TB457.0
April 18, 2006
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