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| 型号： | MAX1982-MAX1983 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | EPS300 3/4 CR 48 IN 5700750CR |
| 中文描述： | 低电压，低压差线性与外部偏置电源稳压器 |
| 文件页数： | 3/12页 |
| 文件大小： | 383K |
| 代理商： | MAX1982-MAX1983 |
M
Low-Voltage, Low-Dropout Linear Regulators
with External Bias Supply
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V
IN
= 1.8V, I
LOAD
= 1mA, C
LOAD
= 10μF,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at
T
A
= +25
°
C.) (Note 1)
PARAMETER
SYM B O L
CONDITIONS
LOGIC AND I/O
SHDN
Input High Voltage
V
IH
SHDN
Input Low Voltage
V
IL
SHDN
Input Current
PGOOD Output Low Voltage
PGOOD sinking 1mA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 3, V
IN
= 1.8V, I
LOAD
= 1mA, C
LOAD
= 10μF,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 1)
PARAMETER
SYM B O L
Input Voltage
V
IN
BIAS Voltage
V
BIAS
V
OUT
Voltage Range
V
OUT
MAX1983
BIAS Input Undervoltage Lockout
Shutdown Supply Current
I
IN
1.25V < V
IN
< 5.5V
Quiescent BIAS Current
I
Q
4.5V < V
BIAS
< 5.5V
Shutdown BIAS Current
I
SHDN
4.5V < V
BIAS
< 5.5V
MAX1982: V
IN
= open, V
OUT
= 1.20V
V
OUT
Input Bias Current
MAX1983: V
IN
= open, 0.8V < V
OUT
< 2.0V
REGULATOR CHARACTERISTICS
MIN
TYP
MAX
UNITS
2.4
V
V
0.8
+1
0.1
-1
μA
V
PGOOD Output
High Leakage Current
0 < V
PGOOD
< V
IN
-1
+1
μA
DYNAMICS
Positive Load Step
Negative Load Step
t
RISE
t
FALL
I
LOAD
= 1mA to full load, C
LOAD
= 10μF
I
LOAD
= full load to 1mA, C
LOAD
= 10μF
10Hz < f < 10kHz, I
LOAD
= 300mA,
C
LOAD
= 10μF
10
50
μs
μs
Ripple Rejection at V
IN
-60
dB
Startup Response Time
t
ON
I
LOAD
= 300mA, C
LOAD
= 10μF, 0% to 90%
of nominal output voltage
100
μs
Startup Overshoot
I
LOAD
= 300mA, C
LOAD
= 10μF
Falling edge, 3mV under trip threshold
Rising edge within 5% of regulation level
0.5
10
%
μs
ms
PGOOD Propagation Delay
t
PD
1
4
CONDITIONS
MIN
1.25
4.5
0.8
3.8
MAX
5.5
5.5
2.0
4.2
5
250
5
30
2
UNITS
V
V
V
V
μA
μA
μA
μA
Line Regulation
V
OUT
/
V
IN
I
LOAD
= 10mA, 1.5V < V
IN
< 5.5V
-0.15
+0.15
%/V
MAX1982 1.20V
Output Voltage Accuracy
V
OUT
I
OUT
= 1mA to 300mA,
V
OUT
+ 0.5V < V
IN
< 5.5V
-3
+3
%
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|---|---|
| MAX1982EUT-T | Low-Voltage, Low-Dropout Linear Regulators with External Bias Supply |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1983EUT | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, LOW-DROPOUT LINEAR REGULATORS WI - Bulk 制造商:Rochester Electronics LLC 功能描述: |
| MAX1983EUT+ | 制造商:Maxim Integrated Products 功能描述:LDO REG 0.8V TO 2V 0.3A 6PIN SOT-23 - Rail/Tube |
| MAX1983EUT+T | 功能描述:低压差稳压器 - LDO Low-Voltage w/ External Bias Supply 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 |
| MAX1983EUT-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 |
| MAX1984ETP | 功能描述:LED照明驱动器 RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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