参数资料
| 型号： | NCV8570BSN28T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.8V .2A 5TSOP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.8V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.12V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA |
| 电流 - 限制（最小）： | 200mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSOP（0.059"，1.50mm 宽）5 引线 |
| 供应商设备封装： | 5-TSOP |
| 包装： | 标准包装 |
| 其它名称： | NCV8570BSN28T1GOSDKR |
NCV8570B
TYPICAL CHARACTERISTICS
110
100
90
80
70
60
50
I OUT = 10 mA
I OUT = 200 mA
I OUT = 150 mA
110
100
90
80
70
60
50
I OUT = 10 mA
I OUT = 200 mA
I OUT = 150 mA
40
30
20
10
0
10
T A = 25 ? C,
C noise = 10 nF,
C OUT = 4.7 m F,
V OUT = 2.8 V,
V IN = 3.3 VDC ? 50 mVAC
100 1k
10k
100k
1M
40
30
20
10
0
10
T A = 25 ? C,
C noise = 100 nF,
C OUT = 4.7 m F,
V OUT = 2.8 V,
V IN = 3.3 VDC ? 50 mVAC
100 1k
10k
100k
1M
FREQUENCY (Hz)
Figure 16. PSRR vs. Frequency, 2.8 V Output
Voltage Option, C OUT = 4.7 m F, C noise = 10 nF
FREQUENCY (Hz)
Figure 17. PSRR vs. Frequency, 2.8 V Output
Voltage Option, C OUT = 4.7 m F, C noise = 100 nF
10
1.0
V OUT = 3.3 V
10 Hz ? 100 kHz Integral
Noise: V n = 25.3 m V rms
V OUT = 2.8 V
10 Hz ? 100 kHz Integral
10
1.0
V OUT = 3.3 V
10 Hz ? 100 kHz Integral
Noise: V n = 11.9 m V rms
I OUT = 50 mA,
C OUT = 1 m F,
C noise = 100 nF
V IN = V OUT = +0.5 V or
2.5 V, whichever is higher
0.10
0.01
10
Noise: V n = 22.6 m V rms
V OUT = 1.8 V
10 Hz ? 100 kHz Integral
I OUT = 50 mA, Noise: V n = 14.9 m V rms
C OUT = 1 m F,
C noise = 10 nF
V IN = V OUT = +0.5 V or
2.5 V, whichever is higher
100 1k 10k 100k
1M
0.10
0.01
V OUT = 2.8 V
10 Hz ? 100 kHz Integral
Noise: V n = 11.7 m V rms
V OUT = 1.8 V
10 Hz ? 100 kHz Integral
Noise: V n = 9.4 m V rms
10 100 1k 10k
100k
1M
FREQUENCY (Hz)
Figure 18. Output Noise vs. Frequency, C OUT =
1 m F, C noise = 10 nF, I OUT = 50 mA
FREQUENCY (Hz)
Figure 19. Output Noise vs. Frequency, C OUT =
1 m F, C noise = 100 nF, I OUT = 50 mA
10
1.0
V OUT = 3.3 V
10 Hz ? 100 kHz Integral
Noise: V n = 22.85 m V rms
V OUT = 2.8 V
10 Hz ? 100 kHz Integral
10
1.0
V OUT = 3.3 V
10 Hz ? 100 kHz Integral
Noise: V n = 12 m V rms
I OUT = 200 mA,
C OUT = 1 m F,
C noise = 100 nF
V IN = V OUT = +0.5 V or
2.5 V, whichever is higher
0.01
Noise: V n = 22.7 m V rms
V OUT = 1.8 V
10 Hz ? 100 kHz Integral
0.10 I OUT = 200 mA, Noise: V n = 15 m V rms
C OUT = 1 m F,
C noise = 10 nF
V IN = V OUT = +0.5 V or
2.5 V, whichever is higher
10 100 1k 10k 100k
1M
0.10
0.01
V OUT = 2.8 V
10 Hz ? 100 kHz Integral
Noise: V n = 11.7 m V rms
V OUT = 1.8 V
10 Hz ? 100 kHz Integral
Noise: V n = 9.5 m V rms
10 100 1k 10k 100k
1M
FREQUENCY (Hz)
Figure 20. Output Noise vs. Frequency, C OUT =
1 m F, C noise = 10 nF, I OUT = 200 mA
http://onsemi.com
7
FREQUENCY (Hz)
Figure 21. Output Noise vs. Frequency, C OUT =
1 m F, C noise = 100 nF, I OUT = 200 mA
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