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| 型号： | ZY8110G |
| 厂商： | Power-One |
| 文件页数： | 18/28页 |
| 文件大小： | 0K |
| 描述： | PROGBL CONVERT DC-DC 10A OUT THR |
| 特色产品： | ZY Series Converters |
| 标准包装： | 48 |
| 系列： | 智能 POL 转换器 |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 8V |
| 电压 - 输入（最大）： | 14V |
| Voltage - Output 1： | 0.5 ~ 5.5 V |
| 电流 - 输出（最大）： | 10A |
| 电源（瓦） - 制造商系列： | 55W |
| 安装类型： | 通孔 |
| 封装/外壳： | 11-SIP 模块 |
| 尺寸/尺寸： | 1.20" L x 0.26" W x 0.84" H（30.5mm x 6.7mm x 21.4mm） |
| 包装： | 托盘 |
| 工作温度： | 0°C ~ 70°C |
| 效率： | 91.6% |
| 电源（瓦特）- 最大： | 55W |
| 产品目录页面： | 2739 (CN2011-ZH PDF) |
| 其它名称： | 179-2403 ZY8110G-R1 |
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ZY8110 10A DC-DC Intelligent POL
8V to 14V Input ? 0.5V to 5.5V Output
Data Sheet
All protections can be classified into three groups
based on their effect on system operation: warnings,
faults, and errors.
8.3.2 Faults
This group includes overcurrent, overtemperature,
undervoltage, and tracking protections. Triggering
any protection in this group will turn off the POL.
8.3.1 Warnings
This group includes Overtemperature Warning and
8.3.2.1
Overcurrent Protection
Power Good Signal. The warnings do not turn off
POLs but rather generate signals that can be
transmitted to a host controller via the I 2 C bus.
Overcurrent protection is active whenever the output
voltage of the POL exceeds the prebias voltage (if
any). When the output current reaches the OC
threshold, the output voltage will start decreasing.
8.3.1.1
Overtemperature Warning
As soon as the output voltage decreases below the
The Overtemperature Warning is generated when
temperature of the controller exceeds 120°C. The
Overtemperature Warning changes the PT bit of the
status register ST to 0 and sends the signal to the
DPM. Reporting is enabled in the GUI Fault
Management window or directly via the I 2 C by writing
into the PC3 register shown in Figure 34. When the
temperature falls below 117°C, the PT bit is cleared
and the Overtemperature Warning is removed.
undervoltage protection threshold, the OC fault
signal is generated, the POL turns off and the OC bit
in the register ST is changed to 0. Both high side
and low side switches of the POL are turned off
instantly (fast turn-off).
The temperature compensation is added to keep the
OC threshold approximately constant at
temperatures above room temperature. Note that
the temperature compensation can be disabled in
8.3.1.2
Power Good
the GUI Output Configuration window or directly via
the I 2 C by writing into the CLS register. However, it
Power Good is an open collector output that is pulled
low, if the output voltage is outside of the Power
Good window. The window is formed by the Power
Good High threshold that is equal to 110% of the
output voltage and the Power Good Low threshold
that can be programmed at 90 or 95% of the output
voltage.
The Power Good protection is only enabled after the
output voltage reaches its steady state level. The
PGOOD pin is pulled low during transitions of the
output voltage from one level to other as shown in
Figure 33.
is recommended to keep the temperature
compensation enabled.
8.3.2.2 Undervoltage Protection
The undervoltage protection is only active during
steady state operation of the POL to prevent
nuisance tripping. If the output voltage decreases
below the UV threshold and there is no OC fault, the
UV fault signal is generated, the POL turns off, and
the UV bit in the register ST is changed to 0. The
output voltage is ramped down according to
sequencing and tracking settings (regular turn-off).
The Power Good Warning pulls the Power Good pin
8.3.2.3
Overtemperature Protection
low and changes the PG bit of the status register ST
to 0. It sends the signal to the DPM, if the reporting
is enabled. When the output voltage returns within
the Power Good window, the PG pin is pulled high,
the PG bit is cleared and the Power Good Warning is
removed. The Power Good pin can also be pulled
low by an external circuit to initiate the Power Good
Warning.
Note : To retrieve status information, Status Monitoring in the GUI
POL Group Configuration Window should be enabled (refer
to Digital Power Manager Data Sheet). The DPM will
retrieve the status information from each POL on a
continuous basis.
Overtemperature protection is active whenever the
POL is powered up. If temperature of the controller
exceeds 120°C, the OT fault is generated, POL turns
off, and the OT bit in the register ST is changed to 0.
The output voltage is ramped down according to
sequencing and tracking settings (regular turn-off).
If non-latching OTP is programmed, the POL will
restart as soon as the temperature of the controller
decreases below the Overtemperature Warning
threshold of 110°C.
ZD-01991 Rev. 1.1, 01-Jul-10
www.power-one.com
Page 18 of 28
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