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参数资料
| 型号： | ADM8829ARTZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP INV SOT23-6 |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -1.5 V ~ -5.5 V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 频率 - 开关： | 190kHz |
| 电流 - 输出： | 25mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 其它名称： | ADM8829ARTZ-REEL7DKR |
Typical Performance Characteristics– ADM8828/ADM8829
0.8
0.7
60
I L = 5mA
0.6
0.5
50
40
OUTPUT VOLTAGE RIPPLE
@ V IN = 4.75V
0.4
30
OUTPUT VOLTAGE RIPPLE
@ V IN = 1.9V
0.3
20
0.2
0.1
10
OUTPUT VOLTAGE RIPPLE
@ V IN = 3.15V
0
1
1.5
2
2.5 3 3.5 4
4.5
5
5.5
0
0.47
1
2.2
3.3
SUPPLY VOLTAGE – V
Figure 2. Power Supply Current vs. Voltage
35
CAPACITANCE – F
Figure 5. Output Voltage Ripple vs. Capacitance
350
30
25
20
15
10
5
300
250
200
150
100
50
OUTPUT VOLTAGE RIPPLE
@ V IN = 4.75V, V OUT = –4.0V
OUTPUT VOLTAGE RIPPLE
@ V IN = 3.15V, V OUT = –2.5V
OUTPUT VOLTAGE RIPPLE
@ V IN = 1.9V, V OUT = –1.5V
0
1.5
2
2.5
3 3.5 4
4.5
5
5.5
0
0.47
1
2.2
3.3
SUPPLY VOLTAGE – V
Figure 3. Output Source Resistance vs. Supply Voltage
20
CAPACITANCE – F
Figure 6. Output Voltage Ripple vs. Capacitance
0
18
16
14
12
10
8
6
4
2
OUTPUT CURRENT @ V IN = 4.75V
OUTPUT CURRENT @ V IN = 3.15V
OUTPUT CURRENT @ V IN = 1.9V
–0.5
–1
–1.5
–2
–2.5
–3
–3.5
–4
–4.5
OUTPUT VOLTAGE @ V IN = 2.0V
OUTPUT VOLTAGE @ V IN = 3.3V
OUTPUT VOLTAGE @ V IN = 5.0V
0
0.47
1
2.2
3.3
–5
0
5
10
15 20 25 30
35
40
45
REV. A
CAPACITANCE – F
Figure 4. Output Current vs. Capacitance
–3 –
OUTPUT CURRENT – mA
Figure 7. Output Voltage vs. Output Current
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