參數(shù)資料
型號(hào): ISL6232CAZA-T
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: High Efficiency System Power Supply Controller for Notebook Computers
中文描述: 2 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28
封裝: ROHS COMPLIANT, PLASTIC, QSOP-28
文件頁(yè)數(shù): 9/25頁(yè)
文件大?。?/td> 746K
代理商: ISL6232CAZA-T
9
FN9116.0
April 18, 2005
FIGURE 19. LDO3 REGULATION OUTPUT VOLTAGE vs
OUTPUT CURRENT
FIGURE 20. LDO5 REGULATION OUTPUT VOLTAGE vs
OUTPUT CURRENT
FIGURE 21. REFERENCE VOLTAGE vs OUTPUT CURRENT
FIGURE 22. REF, LDO3, AND LDO5 POWER UP
FIGURE 23. DELAYED START WAVEFORMS (EN5=REF)
FIGURE 24. DELAYED START WAVEFORMS (EN3=REF)
Typical Operating Performance
Circuit in Figure 29, no load on LDO5, LDO3, OUT3 OUT5, and REF, VIN = 12V,
EN3 = EN5 = VCC, SHDN# = VIN, T
A
= 25°C, unless otherwise noted.
(Continued)
2.9
3
3.1
3.2
3.3
3.4
3.5
0
10
20
30
40
50
60
70
80
90
100
LDO3 OUTPUT CURRENT (mA)
L
EN3=0
EN3=V
CC
0
10
20
30
40
50
60
70
80
90
100
LDO3 OUTPUT CURRENT (mA)
4.8
4.85
4.9
4.95
5
5.05
5.1
5.15
5.2
L
EN5=V
CC
EN5=0
1.95
1.96
1.97
1.98
1.99
2
-10
0
10
20
30
40
50
60
70
80
90
100
I
REF
(μA)
V
R
VIN
LDO3
(1V/div)
LDO5
(2V/div)
REF
(5V/div)
(1V/div)
EN
V
OUT3
(2V/div)
V
OUT5
(2V/div)
(2V/div)
EN5
(2V/div)
V
OUT3
(2V/div)
V
OUT5
(2V/div)
ISL6232
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ISL6232CAZA High Efficiency System Power Supply Controller for Notebook Computers
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