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參數(shù)資料
| 型號： | EN5366QI |
| 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 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 835K |
| 代理商： | EN5366QI |
03817
9/18/2009
Rev:B
EN5366QI
Enpirion 2009 all rights reserved, E&OE
www.enpirion.com
3
Pin Descriptions
PIN
NAME
FUNCTION
1-3
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
4-5
NC(SW)
NO CONNECT – These pins are internally connected to the common drain output of
the internal MOSFETs. NC(SW) pins are not to be electrically connected to any
external signal, ground, or voltage. However, they must be soldered to the PCB.
Failure to follow this guideline may result in part malfunction or damage.
6-13
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
14-20
VOUT
Regulated converter output. Decouple with output filter capacitor to PGND. Refer to
layout section for specific layout requirements
21-22
NC(SW)
NO CONNECT – These pins are internally connected to the common drain output of
the internal MOSFETs. NC(SW) pins are not to be electrically connected to any
external signal, ground, or voltage. However, they must be soldered to the PCB.
Failure to follow this guideline may result in part malfunction or damage.
23
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
24-29
PGND
Output power ground. Refer to layout section for specific layout requirements.
30-35
PVIN
Input power supply. Connect to input power supply. Decouple with input capacitor to
PGND. Refer to layout section for specific layout requirements
36-37
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
38
ROCP
Optional Over Current Protection adjust pin. Used for diagnostic purposes only. Place
10k
resistor between this pin and AGND (pin 40) to raise the over current trip point
to approximately 200% of maximum rated current.
39
AVIN
Analog voltage input for the controller circuits.
Connect this pin to PVIN using a 1 Ohm resistor.
40
AGND
Analog ground for the controller circuits.
41-42
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
43
XFB
Feedback pin for external voltage divider network.
44
XOV
Over voltage programming feedback pin.
45
NC
NO CONNECT: This pin should not be electrically connected to any other NC pin, or
to any external signal, voltage, or ground. This pin may be connected internally.
46
POK
Power OK is an open drain transistor for power system state indication. POK is a
logic high when VOUT is with -10% to +20% of VOUT nominal. Size pull-up resistor
to limit current to 4mA when POK is low.
47
NC
NO CONNECT: These pins should not be electrically connected to each other or to
any external signal, voltage, or ground. One or more of these pins may be connected
internally.
48
SS
Soft-Start node. The soft-start capacitor is connected between this pin and AGND.
The value of this capacitor determines the startup timing.
49
EAIN
Optional Error Amplifier input. Allows for customization of the control loop.
50
EAOUT
Optional Error Amplifier output. Allows for customization of the control loop.
51
COMP
Optional Error Amplifier Buffer output. Allows for customization of the control loop.
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