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参数资料
| 型号： | MAX1793EUE50+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ 1A 16TSSOP |
| 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，固定式或可调式 |
| 输出电压： | 5V，1.25 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 带卷 (TR) |
Low-Dropout, Low I Q , 1A Linear Regulator
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V IN = +5V, V SHDN = V IN , V OUT = +3.3V, T A = +25°C, unless otherwise noted.)
SHUTDOWN RESPONSE
MAX1793 toc14
RESET OUTPUT RESPONSE
MAX1793 toc15
V OUT
V SHDN
2V/div
V IN
V OUT
RST
5V/div
2V/div
2V/div
5V/div
I OUT = 100mA
40 μ s/div
1ms/div
Pin Description
PIN
1, 8, 9, 16
2–5
6
7
10
11
12–15
—
NAME
N.C.
IN
RST
SHDN
GND
SET
OUT
EP
FUNCTION
No Connection. Not internally connected.
Regulator Input. Supply voltage ranges from +2.5V to +5.5V. Bypass with a 4.7μF capacitor to GND
(see the Capacitor Selection and Regulator Stability ). These inputs are internally connected, but they
also must be externally connected for proper operation.
Reset Output. Open-drain output is low when V OUT is 6% below its nominal value. RST remains low
while the output voltage (V OUT ) is below the reset threshold and for at least 4ms after V OUT rises above
the reset threshold. Connect a 100k ? pullup resister to OUT to obtain an output voltage.
Active-Low Shutdown Input. A logic-low disables the output and reduces the supply current to 0.1μA.
In shutdown, the RST output is low and OUT is pulled low through an internal 5k ? resistance. Connect
SHDN to IN for normal operation.
Ground. This pin and the exposed pad also function as a heatsink. Solder both to a large pad or to the
circuit-board ground plane to maximize power dissipation.
Voltage-Setting Input. Connect to GND to select the factory-present output voltage. Connect SET to an
external resistor-divider for adjustable-output operation.
Regulator Output. Bypass with a 6.8μF, low-ESR capacitor to GND. Connect all OUT pins together at
the IC.
Exposed Pad. Connect to the ground plane. EP also functions as a heatsink. Solder to the circuit-board
ground plane to maximize thermal dissipation.
6
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| MAX1795EUA-T | 功能描述:直流/直流开关转换器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1796EUA | 功能描述:直流/直流开关转换器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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