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参数资料
| 型号： | MC34164 |
| 厂商： | ON SEMICONDUCTOR |
| 英文描述： | Single Output LDO, 250mA, Adj.(2.5 to 5.5V), Low Noise, Fast Transient Response 5-SOT-23 |
| 中文描述： | 微功耗欠压检测电路 |
| 文件页数： | 6/8页 |
| 文件大小： | 150K |
| 代理商： | MC34164 |
MC34164 MC33164
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 14. Low Voltage Microprocessor Reset With Additional Hysteresis
(MC3X164–5 Shown)
Power
Supply
1.2 Vref
Microprocessor
Circuit
2 (2)
RL
1 (1)
3 (4)
Reset
Comparator hysteresis can be increased with the addition of resistor RH. The hysteresis equation has been simplified and does not account for the change of input current
Iin as Vin crosses the comparator threshold (Figure 8). An increase of the lower threshold
Vth(lower) will be observed due to Iin which is typically 10
μ
A at 4.3 V. The
equations are accurate to
±
10% with RH less than 1.0 k
and RL between 4.3 k
and 43 k
.
VH
≈
4.3 RH
RL
RH
MC3X164–5
Iin
Vin
Test Data
VH
(mV)
Vth
(mV)
RH
(
)
RL
(k
)
60
103
123
160
155
199
280
262
306
357
421
530
0
1.0
1.0
1.0
2.2
2.2
2.2
4.7
4.7
4.7
4.7
4.7
0
100
100
100
220
220
220
470
470
470
470
470
43
10
6.8
4.3
10
6.8
4.3
10
8.2
6.8
5.6
4.3
+ 0.06
Vth(lower)
≈
10 RH x 10– 6
where: RH
≤
1.0 k
43 k
≥
RL
≥
4.3 k
Figure 15. Voltage Monitor
Figure 16. Solar Powered Battery Charger
Figure 17. MOSFET Low Voltage Gate Drive Protection Using the MC3X164–5
1.2 Vref
2 (2)
270
1 (1)
3 (4)
Power
Supply
1.2 Vref
2 (2)
1.0 k
1 (1)
3 (4)
1.2 Vref
2 (2)
1 (1)
3 (4)
Solar
Cells
RL
MTP3055EL
MC3X164–5
VCC
4.3V
Overheating of the logic level power MOSFET due to insufficient
gate voltage can be prevented with the above circuit. When the
input signal is below the 4.3 V threshold of the MC3X164–5, its
output grounds the gate of the L2 MOSFET.
相关PDF资料 |
PDF描述 |
|---|---|
| MC34164P-3 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC33164D-5 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC33164P-3 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC33164P-5 | |
| MC34164SN-5T1G | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34164_09 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Micropower Undervoltage Sensing Circuits |
| MC34164-3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:3.0 A 1.0 MHz Fully Integrated DDR Switch-Mode Power Supply |
| MC341643DM | 制造商:Microsemi Corporation 功能描述:Volt Supervisor Supply 3.3V 8-Pin SOIC |
| MC34164-3DM | 功能描述:IC UNDERVOLTAGE SENSING 3V 8SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:低有效 复位超时:标准传输延迟为 60 µs 电压 - 阀值:3V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:Digi-Reel® 其它名称:LM8364BALMF30DKR |
| MC341643LP | 制造商:Microsemi Corporation 功能描述:Volt Supervisor Supply 3.3V 3-Pin TO-92 |
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