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参数资料
| 型号： | ISL6232EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 9/25页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD 1 ISL6232 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 4，非隔离 |
| 输入电压： | 5.5 ~ 25 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ISL6232 |
ISL6232
Typical Operating Performance
3.5
3.4
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)
5.20
5.15
5.10
3.3
3.2
3.1
EN3 = 0
5.05
5.00
4.95
EN5 = V CC
EN5 = 0
3.0
EN3 = V CC
4.90
4.85
2.9
0
10
20
30
40
50
60
70
80
90
100
4.80
0
10
20
30
40
50
60
70
80
90
100
LDO3 OUTPUT CURRENT (mA)
FIGURE 19. LDO3 REGULATION OUTPUT VOLTAGE vs
OUTPUT CURRENT
2.00
1.99
1.98
LDO3 OUTPUT CURRENT (mA)
FIGURE 20. LDO5 REGULATION OUTPUT VOLTAGE vs
OUTPUT CURRENT
VIN
(5V/DIV)
1.97
LDO3
(1V/DIV)
1.96
LDO5
(2V/DIV)
REF
1.95
-10
0
10
20
30
40 50 60
70
80
90
100
(1V/DIV)
I REF (μA)
FIGURE 21. REFERENCE VOLTAGE vs OUTPUT CURRENT
EN
(2V/DIV)
V OUT3
(2V/DIV)
V OUT5
(2V/DIV)
FIGURE 23. DELAYED START WAVEFORMS (EN5 = REF)
9
FIGURE 22. REF, LDO3, AND LDO5 POWER-UP
EN5
(2V/DIV)
V OUT3
(2V/DIV)
V OUT5
(2V/DIV)
FIGURE 24. DELAYED START WAVEFORMS (EN3 = REF)
FN9116.1
April 20, 2009
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