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参数资料
| 型号： | MAX1734EUK18+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.8V SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.8V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 250mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | SOT-23-5 |
Low-Voltage, Step-Down DC-DC Converters
in SOT23
Typical Operating Characteristics (continued)
(C IN = 2.2μF ceramic, C OUT = 22μF tantalum, L = 10μH, unless otherwise noted.)
SOFT-START AND SHUTDOWN RESPONSE
MAX1733/4-09
V IN = 3.6V, V OUT = 1.8V, R LOAD = 7 ?
V OUT
LOAD-TRANSIENT RESPONSE
MAX1733/4-12
V IN = 3.6V, V OUT = 1.8V, I LOAD = 20mA TO 200mA
1V/div
I IN
V OUT
AC-COUPLED
50mV/div
100mA/div
I LOAD
200 μ s/div
LIGHT-LOAD LINE-TRANSIENT RESPONSE
MAX1733/4-10
V IN = 3.4V TO 3.8V, V OUT = 1.8V, I LOAD = 20mA
4 μ s/div
V SHDN
5V/div
V OUT
AC-COUPLED
50mV/div
V IN
AC-COUPLED
200mV/div
100mA/div
4 μ s/div
HEAVY-LOAD LINE-TRANSIENT RESPONSE
MAX1733/4-11
V IN = 3.4V TO 3.8V, V OUT = 1.8V, I LOAD = 200mA
V OUT
AC-COUPLED
50mV/div
V IN
AC-COUPLED
200mV/div
4 μ s/div
Pin Description
PIN
1
2
3
4
5
NAME
IN
GND
SHDN
FB
OUT
LX
FUNCTION
Supply Voltage Input. Input range from +2.7V to +5.5V. Bypass with a 2.2 μ F ceramic capacitor to
GND.
Ground
Active-Low Shutdown Input. Connect SHDN to IN for normal operation. In shutdown, LX becomes
high impedance and quiescent current drops to 0.01 μ A.
MAX1733 Voltage Feedback Input. FB regulates to 1.25V nominal. Connect FB to an external
voltage-divider between the output voltage and GND.
MAX1734 Voltage Sense Input. OUT is connected to an internal voltage-divider.
Inductor Connection
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
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|---|---|
| MAX1734EVKIT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1735EUK25 | 制造商:Maxim Integrated Products 功能描述:LOW-DROPOUT LINEAR REGULATOR IN SOT 23 - Cut Tape Product |
| MAX1735EUK25+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN ADJ/FIX NEG -1.25V TO -5.5V/-2.5V -0.2A 5PIN SOT - Rail/Tube |
| MAX1735EUK25+T | 功能描述:低压差稳压器 - LDO 200mA Negative Output 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 |
| MAX1735EUK25-T | 功能描述:低压差稳压器 - LDO 200mA Negative Output 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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