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| 型号： | MAX8888EZK33+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .3A TSOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.15V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 420mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | MAX8888EZK33+TDKR |
Low-Dropout, 300mA Linear Regulators in SOT23
Typical Operating Characteristics (continued)
(Typical Operating Circuit, T A = +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
I OUT
NEAR DROPOUT
MAX8887/8 toc12
300mA
10mA
LINE-TRANSIENT RESPONSE
MAX8887/8 toc13
4.5V
V OUT
50mV/div
V IN
4V
V OUT = 3.3V
V IN = 3.4V
10 μ s/div
SHUTDOWN WAVEFORM
MAX8887/8 toc14
AC-COUPLED
V OUT
V OUT = 3.3V
I LOAD = 100mA
100 μ s/div
POK WAVEFORM
MAX8887/8 toc15
20mV/div
AC-COUPLED
V SHDN
2V/div
V IN
V OUT = 3.3V, R LOAD = 100 ?
2V/div
V OUT
V OUT = 3.3V, R LOAD = 10 ?
20 μ s/div
1V/div
DC-COUPLED
V OUT
V POK
20ms/div
2V/div
2V/div
Pin Description
MAX8887
1
2
3
MAX8888
1
2
3
NAME
IN
GND
SHDN
FUNCTION
Regulator Input. Supply voltage can range from 2.5V to 5.5V. Bypass with 2.2μF
capacitor to GND (see the Capacitor Selection and Regulator Stability section).
Ground
Active-Low Shutdown Input. A logic low reduces the supply current to below 0.1μA.
In shutdown, POK and OUT are driven low. Connect to IN for normal operation.
Open-Drain Active-Low POK Output. POK remains low while the output voltage (V OUT ) is
—
4
POK
below the reset threshold. Connect a 100k ? pullup resistor to OUT to obtain a logic level
output. POK is driven low in shutdown. If not used, leave this pin unconnected.
4
5
—
5
BP
OUT
Reference Bypass. Bypass with a low-leakage 0.01μF ceramic capacitor.
Regulator Output. Sources up to 300mA guaranteed. Bypass with 2.2μF (<0.2 ? typical
ESR) ceramic capacitor to GND.
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