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参数资料
| 型号： | MAX1809EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC DDR TERMINATION 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，DDR |
| 输入电压： | 3 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 1.1 V ~ 5.5 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
3A, 1MHz, DDR Memory Termination Supply
Typical Operating Characteristics
(Circuit of Figure 1, V OUT = 1.25V, for V IN = 5V: L = 1μH, R TOFF = 130k ? ; for V IN = 3.3V: L = 0.68μH, R TOFF = 73.2k ? .)
EFFICIENCY vs. OUTPUT CURRENT
(SOURCING)
EFFICIENCY vs. OUTPUT CURRENT
(SINKING)
NORMALIZED OUTPUT ERROR
vs. OUTPUT CURRENT
100
95
90
R DROOP = 0 ?
95
90
85
V IN = 5V,
V OUT = 2.5V
R DROOP = 0 ?
-0.2
-0.6
V IN = 3.3V
85
80
-1.0
80
75
70
65
60
55
V IN = 5V,
V OUT = 2.5V
V IN = 3.3V,
V OUT = 1.25V
V IN = 5V,
V OUT = 1.25V
75
70
65
60
55
V IN = 3.3V,
V OUT = 1.25V
V IN = 5V,
V OUT = 1.25V
-1.4
-1.8
-2.2
-2.6
V IN = 5V
50
50
-3.0
0
1
2
3
0
1
2
3
-3
-2
-1
0
1
2
3
OUTPUT CURRENT (A)
NO-LOAD
SUPPLY CURRENT vs. SUPPLY VOLTAGE
5.0
OUTPUT CURRENT (A)
OFF-TIME vs. R TOFF
1200
OUTPUT CURRENT (A)
SWITCHING FREQUENCY
vs. OUTPUT CURRENT
24
20
16
12
8
4
0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1000
800
600
400
200
0
V IN = 5V
V IN = 3.3V
0
1
2
3
4
5
6
0
50 100 150 200 250 300 350 400 450 500
-3
-2
-1
0 1
2
3
V IN (V)
STARTUP AND SHUTDOWN
R TOFF (k ? )
LOAD-TRANSIENT RESPONSE
OUTPUT CURRENT (A)
0A
I IN
1A/div
R DROOP = 0 ?
V OUT
(AC-COUPLED)
50mV/div
V SHDN
0V
5V/div
0V
V(LX)
5V/div
V OUT
0V
0V
1ms/div
V IN = 3.3V, R OUT = 0.5 ?
1V/div
V SS
2V/div
0A
10 μ s/div
V EXTREF = 1.25V, V IN = 3.3V, I OUT = -2A to +2A to -2A
I OUT
5A/div
4
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