參數(shù)資料
型號: NCP5214AMNR2G
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: 2−in−1 Notebook DDR Power Controller
中文描述: 3 A SWITCHING CONTROLLER, 460 kHz SWITCHING FREQ-MAX, DSO22
封裝: LEAD FREE, DFN-22
文件頁數(shù): 11/31頁
文件大?。?/td> 376K
代理商: NCP5214AMNR2G
NCP5214A
http://onsemi.com
11
Figure 15. VDDQ Efficiency (DDR)
vs. VDDQ Output Current
Figure 16. VDDQ Efficiency (DDR2)
vs. VDDQ Output Current
Figure 17. PowerUp Waveforms
Figure 18. PowerDown Waveforms
Figure 19. VDDQ, VTTR StartUp Waveforms
Figure 20. VDDQ, VTTR Shutdown Waveforms
TYPICAL OPERATING CHARACTERISTICS
50
60
70
80
90
100
0.1
1.0
10
100
I
VDDQ
, VDDQ OUTPUT CURRENT (A)
E
V
IN
= 20 V
V
DDQ
= 2.5 V
Freq = 400 kHz max
T
A
= 25
°
C
V
IN
= 12 V
V
IN
= 5 V
with powersaving
without powersaving
50
60
70
80
90
100
0.1
1.0
10
100
I
VDDQ
, VDDQ OUTPUT CURRENT (A)
E
V
IN
= 20 V
V
DDQ
= 1.8 V
Freq = 400 kHz max
T
A
= 25
°
C
V
IN
= 12 V
V
IN
= 5 V
with powersaving
without powersaving
VDDQ
VIN
VTT
VTTR
20V/div
1V/div
1V/div
1V/div
VDDQEN = High; VTTEN = High; VIN = 0 V to 20 V
VIN
VDDQ
VTT
VTTR
20V/div
1V/div
1V/div
1V/div
VDDQEN = High; VTTEN = High; VIN =20 V to 0 V
VDDQEN
VDDQ
VTTR
PGOOD
5V/div
1V/div
1V/div
5V/div
VDDQEN = 0 V to 5 V
VDDQEN
VDDQ
VTTR
PGOOD
5V/div
5V/div
1V/div
1V/div
VDDQEN = 5 V to 0 V
相關(guān)PDF資料
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