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参数资料
| 型号： | MAX689CSA |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3V 1A 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3V |
| 输入电压： | 最高 11V |
| 电压 - 压降（标准）： | 0.04V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
High-Accuracy, Low-Dropout
Linear Regulators
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.8V, SHDN = V IN (MAX688/MAX689), R B = 0 ? , C1 = 2.2μF, C2 = 10μF, C3 = 10nF, T A = T MIN to T MAX , unless otherwise
noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX687: ON, PFO, SHDN
PFO Threshold Voltage Below
V NOM (Note 5)
V NOM -
V PFT
Falling V OUT , comparators monitor V OUT
110
170
mV
PFO Hysteresis
7
mV
Shutdown Threshold Voltage
Below V PFT
V PFT - V SD Falling V OUT , comparators monitor V OUT
20
70
mV
Shutdown Threshold Voltage
PFO Output Voltage High
V SD
V OH
Falling V OUT , comparators monitor V OUT
I SOURCE = 50μA, part on, V IN = 2.7V
2.96
V OUT - 0.3
V
V
PFO Output Voltage Low
ON Threshold Voltage
ON Input Leakage Current
V OL
V IH
V IL
I SINK = 1.2mA, V IN = 2.7V
Output turns on
Output remains off
1.0
0.06
0.2
0.3
0.2
100
V
V
nA
MAX688/MAX689: SHDN, PFO
PFO Threshold Voltage
V PFT
Falling V OUT , com-
parators monitor V OUT
MAX688
MAX689
3.07
2.77
3.13
2.85
3.19
2.89
V
PFO Hysteresis
7
mV
V SON
On, SHDN falling
1.25
SHDN Threshold Voltages
V SSY
Standby
1.0
1.2
V
V SSD
Shutdown
0.2
SHDN Hysteresis
Rising SHDN, standby → on
70
mV
SHDN Input Current
PFO, SHDN Transient Rejection
V SHDN = 1.23V
Glitch immunity
-25
100
25
nA
μs
PFO Output Voltage Low
PFO Off Leakage Current
Output Noise Voltage
V OL
e n
I SINK = 1.2mA, V IN = 2.7V
V PFO = 11V, V SHDN > 1.25V
10Hz ≤ f ≤ 10kHz, I LOAD = 200mA
10Hz ≤ f ≤ 1MHz, I LOAD = 200mA
0.06
66
105
0.3
1
V
μA
μV RMS
Note 1: Minimum V IN for regulated V OUT depends on the characteristics of the external PNP transistor, and on the load. The refer-
ence and comparators are functional down to the minimum voltage specified, but the output may not be in regulation.
Note 2: Dropout voltage is defined as V IN - V OUT when V OUT is 50mV below its value at V IN = V NOM + 1V.
Note 3: The start-up time specification is the time taken from ON or SHDN rising to BASE sinking current. V OUT rise time is longer
and is a function of load capacitance, C2, and load resistance, R L .
Note 4: Minimum load capacitance is a function of R L . Minimum C2 = 10μF for loads up to 100mA and 1μF/10mA for higher loads.
ESR of C2 should be no larger than 1/100 of R L . Guaranteed by design.
Note 5: The nominal output voltage, V NOM , is defined under the default conditions of testing: V IN = 3.8V, I BASE = 1mA, T A = T MIN to T MAX .
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相关代理商/技术参数 |
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|---|---|
| MAX689CSA+ | 功能描述:低压差稳压器 - LDO High-Accuracy LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX689CSA+T | 功能描述:低压差稳压器 - LDO High-Accuracy LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX689CSA-T | 功能描述:低压差稳压器 - LDO High-Accuracy LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX689CUA | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX689CUA-T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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