參數(shù)資料
型號: MP8640DL
廠商: MONOLITHIC POWER SYSTEMS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, DSO14
封裝: 3 X 4 MM, MO-229VGED-3, QFN-14
文件頁數(shù): 5/10頁
文件大小: 351K
代理商: MP8640DL
MP8640 – 3A, 23V, 600KHz STEP-DOWN WITH SYNCHRONOUS GATE DRIVER
MP8640 Rev. 1.0
12/13/2007
www.MonolithicPower.com
5
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2007 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
V
IN
= 12V, V
OUT
= 3.3V, and T
A
= +28
°
C, unless otherwise noted.
Load Transient Response
Input Ripple Voltage
I
OUT
=3A
Output Ripple Voltage
I
OUT
=3A
Enable Startup
No Load
Enable Startup
Full Load
Power Up
No Load
Power Up
Full Load
V
OUT
2V/div
V
IN
5V/div
V
OUT
2V/div
V
IN
50mV/div
V
SW
10V/div
V
SW
5V/div
I
INDUCTOR
2A/div
V
SW
10V/div
V
SW
10V/div
V
OUT
50mV/div
V
OUT
20mV/div
I
INDUCTOR
2A/div
I
INDUCTOR
2A/div
I
INDUCTOR
2A/div
V
OUT
2V/div
V
EN
5V/div
V
SW
20V/div
I
INDUCTOR
5A/div
V
OUT
2V/div
V
EN
5V/div
V
SW
20V/div
V
SW
10V/div
I
INDUCTOR
5A/div
V
IN
10V/div
V
OUT
2V/div
V
SW
5V/div
I
INDUCTOR
2A/div
400ns/div
2ms/div
4ms/div
4ms/div
2ms/div
Latch Off with
Output Short Circuit
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