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参数资料
| 型号： | MAX1589AEZT100+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1V .5A 6TSOT |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1V |
| 输入电压： | 1.62 V ~ 3.6 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 电流 - 限制（最小）： | 550mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 带卷 (TR) |
Low-Input-Voltage, 500mA LDO Regulator
with R E S E T in SOT and TDFN
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
(POWER DISSIPATION LIMIT)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
(POWER DISSIPATION LIMIT)
600
500
400
300
200
100
MAXIMUM RECOMMENDED
T A = +85 ° C
T A = +70 ° C
600
500
400
300
200
100
MAXIMUM RECOMMENDED
T A = +85°C
0
OUTPUT CURRENT 6-PIN SOT23
0
OUTPUT CURRENT 6-PIN TDFN
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
(V IN - V OUT ) (V)
Figure 2. Power Operating Regions for 6-Pin SOT23: Maximum
Output Current vs. Input Voltage
capacitors to reduce noise and improve load-transient
response, stability, and power-supply rejection.
The output capacitor ’ s equivalent series resistance
(ESR) affects stability and output noise. Use output
capacitors with an ESR of 30m ? or less to ensure sta-
bility and optimize transient response. Surface-mount
ceramic capacitors have very low ESR and are com-
monly available in values up to 10μF. Connect C IN and
C OUT as close to the MAX1589A as possible to mini-
mize the impact of PC board trace inductance.
Noise, PSRR, and Transient Response
The MAX1589A is designed to operate with low dropout
voltages and low quiescent currents in battery-powered
systems, while still maintaining good noise, transient
response, and AC rejection. See the Typical Operating
Characteristics for a plot of Power-Supply Rejection
Ratio (PSRR) vs. Frequency. When operating from noisy
sources, improved supply-noise rejection and transient
response can be achieved by increasing the values of
the input and output bypass capacitors and through
(V IN - V OUT ) (V)
Figure 3. Power Operating Region for 6-Pin TDFN: Maximum
Output Current vs. Input Voltage
nents of the output response: a near-zero DC shift from
the output impedance due to the load-current change,
and the transient response. A typical transient response
for a step change in the load current from 100mA to
500mA is 35mV. Increasing the output capacitor ’ s value
and decreasing the ESR attenuates the overshoot.
Input-Output (Dropout) Voltage
A regulator ’ s minimum input-output voltage difference
(dropout voltage) determines the lowest usable supply
voltage. In battery-powered systems, this determines
the useful end-of-life battery voltage. Because the
MAX1589A uses a p-channel MOSFET pass transistor, its
dropout voltage is a function of drain-to-source on-resis-
tance (R DS(ON) = 0.33 ? ) multiplied by the load current
(see the Typical Operating Characteristics ):
V DROPOUT = V IN - V OUT = 0.33 ? ? I OUT
The MAX1589A ground current reduces to 70μA in
dropout.
passive filtering techniques.
The MAX1589A load-transient response (see the
Typical Operating Characteristics ) shows two compo-
TRANSISTOR COUNT: 2556
PROCESS: BiCMOS
Chip Information
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1589AEZT130+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX1589AEZT130+T | 功能描述:低压差稳压器 - LDO 500mA 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 |
| MAX1589AEZT150+T | 功能描述:低压差稳压器 - LDO 500mA 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 |
| MAX1589AEZT180+ | 制造商:Maxim Integrated Products 功能描述:500MA LOW VOLTAGE LINEAR REGULATOR IN TINY QFN PACKAGE - Rail/Tube |
| MAX1589AEZT180+T | 功能描述:低压差稳压器 - LDO 500mA 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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