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| 型号： | MAX1792EUA33+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/ADJ .5A 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 3.3V，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： | 500mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 8-uMax-EP |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
500mA Low-Dropout
Linear Regulator in μMAX
Typical Operating Characteristics (continued)
(MAX1792EUA33, V IN = V OUT + 500mV, SHDN = IN, C IN = 1μF, C OUT = 3.3μF, T A = +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
NEAR DROPOUT
MAX1792-13
I OUT
LINE-TRANSIENT RESPONSE
MAX1792-14
6V
500mA/div
V IN
1V/div
3V
V OUT
50mV/div
V OUT
V IN = V OUT + 100mV
C IN = 10 μ F
R OUT = 660 Ω TO 6.6 Ω (5mA TO 500mA)
20 μ s/div
100 μ s/div
10mV/div
SHUTDOWN WAVEFORM
MAX1792-15
2V
V SHDN
1V/div
0V
3V
V OUT
1V/div
RST WAVEFORM
MAX1792-16
5V
V IN
2.5V/div
0V
V OUT
2V/div
0V
V RST
2V/div
R OUT = 6.6 Ω (500mA)
20 μ s/div
0V
R OUT = 66 Ω (50mA)
20ms/div
0V
Pin Description
PIN
1, 2
3
4
5
6
7, 8
—
NAME
IN
RST
SHDN
GND
SET
OUT
EP
FUNCTION
Regulator Input. Supply voltage can range from +2.5V to +5.5V. Bypass with a 1μF capacitor to GND (see
Capacitor Selection and Regulator Stability ). Connect both input pins together externally.
Open-Drain Active-Low Reset Output. 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 Ω pullup resistor
to OUT to obtain an output voltage.
Active-Low Shutdown Input. A logic low reduces supply current to 0.1μA. In shutdown, the RST output is
low and OUT is pulled low through an internal 5k Ω resistor. Connect 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 for preset output. Connect to a resistive divider between OUT and
GND to set the output voltage between 1.25V and 5.0V.
Regulator Output. Sources up to 500mA. Bypass with a 3.3μF low-ESR capacitor to GND. Use a 4.7μF
capacitor for output voltages below 2V. Connect both output pins together externally.
Exposed Pad. Solder to ground plane to maximize thermal performance. Not internally connected to
ground.
6
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| MAX1792EUA33+ | 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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| MAX1792EUA33+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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