參數(shù)資料
型號(hào): 88EM8081XX-SAG2C000-T
廠商: MARVELL SEMICONDUCTOR INC
元件分類: 穩(wěn)壓器
英文描述: 2 A POWER FACTOR CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, SOIC-8
文件頁數(shù): 21/64頁
文件大?。?/td> 667K
代理商: 88EM8081XX-SAG2C000-T
88EM8080/88EM8081
Datasheet
Doc. No. MV-S106340-01 Rev. B
Copyright 2010 Marvell
Page 28
Document Classification: Proprietary
August 6, 2010, Preliminary Information
4.3
Switching Frequency Characteristics
Figure 12: Normal Regulation Reference
(VFB_REG) vs. Temperature
Test Conditions:
VDD = 12V
VIN = 2V
FSW = 118kHz
CGate = 1nF
V_Isns = 0V
Figure 13: Switching Frequency vs. Temperature
Test Conditions:
VDD = 12V
VIN = 0V
VFB = 2.4V
CGate = 1nF
V_Isns = 0V
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
-40
-20
0
2040
6080
Temperature (°C)
VF
B
(
V
)
0
20
40
60
80
100
120
140
-40
-20
0
20
40
60
80
Temperature (°C)
Fr
e
q
ue
nc
y
(k
H
z
)
FSW (8081)
FSW (8080)
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