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參數(shù)資料
| 型號(hào)： | EN5365QI |
| 廠商： | ENPIRION INC |
| 元件分類： | 穩(wěn)壓器 |
| 中文描述： | SWITCHING REGULATOR, 5000 kHz SWITCHING FREQ-MAX, QCC58 |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, QFN-58 |
| 文件頁(yè)數(shù)： | 4/17頁(yè) |
| 文件大小： | 825K |
| 代理商： | EN5365QI |
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03816
9/18/2009
Rev:B
EN5365QI
Enpirion 2009 all rights reserved, E&OE
www.enpirion.com
output voltage goes outside of this range, the
POK signal will be a logic low until the output
voltage has returned to within this range. In the
event of an over-voltage condition the POK
signal will go low and will remain in this condition
until the output voltage has dropped to 95% of
the programmed output voltage before returning
to the high state.
Over-Voltage Protection
When the output voltage exceeds 120% of the
programmed output voltage, the PWM operation
stops, the lower N-MOSFET is turned on and the
POK signal goes low. When the output voltage
drops below 95% of the programmed output
voltage, normal PWM operation resumes and
POK returns to its high state.
The internal POK FET is designed to tolerate up
to 4mA. The pull-up resistor value should be
chosen to limit the current from exceeding this
value when POK is logic low.
Thermal Overload Protection
Thermal shutdown will disable operation when
the Junction temperature exceeds approximately
150C. Once the junction temperature drops by
approx 20C, the converter will re-start with a
normal soft-start.
Over-Current Protection
The current limit function is achieved by sensing
the current flowing through a sense P-MOSFET.
When the sensed current exceeds the current
limit, both NFET and PFET switches are turned
off. If the over-current condition is removed, the
over-current protection circuit will re-enable the
PWM operation. If the over-current condition
persists, the circuit will continue to protect the
load.
Input Under-Voltage Lock-Out
Circuitry is provided to ensure that when the
input voltage is below the required voltage level
(VUVLO) for normal operation, the converter will
not start-up. Circuits for hysteresis and input de-
glitch are included to ensure high noise immunity
and to prevent false tripping.
The OCP trip point is nominally set to 150% of
maximum rated load. For diagnostic purposes, it
is possible to increase the OCP trip point to
approximately 200% of the maximum rated load
by connecting a 10k
resistor between the
ROCP pin (pin 38) and AGND (pin 39). This is
intended for troubleshooting purposes only and
the specification is not guaranteed.
Parallel Device Operation
The EN5365QI is capable of paralleling up to a
total of four converters to provide up to 24A of
continuous current. Please refer to the Parallel
Operation Application note, available on the
Enpirion website www.enpirion.com, for details
on parallel operation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EN5365QI-E | 功能描述:電源管理IC開發(fā)工具 6AMP MOD INT IND VID EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| EN5366QI | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 6A BUCK CONVERTER INT INDUCT EXT VSEL RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| EN5366QI-E | 功能描述:電源管理IC開發(fā)工具 6AMP MOD INT IND EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| EN5367QI | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 6A DC/DC BUCK CONV. W/ INTEGRATED INDUC. RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| EN5367QI-E | 功能描述:電源管理IC開發(fā)工具 EN5367QI EVAL 6A DC/DC BUCK RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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