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MAX4832EUT28D4 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4832EUT28D4 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page General Description The MAX4832/MAX4833 family of low-dropout (LDO) linear regulators feature an accurate current-limiting switch with an integrated FLAG or RESET function. These devices operate from 2.5V to 5.5V and deliver up to 100mA of load current at a preset output voltage. Preset output voltage levels are 1.8V/2.5V/2.8V/3.0V/3.3V. The MAX4832/MAX4833 offer a programmable soft- start control function to eliminate false reset during startup. The MAX4832 provides a FLAG function to noti- fy the system when the load current exceeds the limit. The MAX4833 provides a RESET function to notify the system when the output drops below the threshold. Additionally, reverse-current protection prevents cur- rent flowing from the output to the input. Other features include a low 90µA quiescent current, a 0.1µA shut- down current. The MAX4832/MAX4833 are available in space-saving 6-pin SOT23 and TDFN packages. Each device is speci- fied over the -40°C to +85°C extended temperature range. Contact factory for other programmed output volt- age versions from 1.5V to 3.3V in 100mV increments. For pin-compatible 250mA versions of this device, refer to the MAX4834/MAX4835. For pin-compatible 500mA versions of this device, refer to the MAX4836/MAX4837. Applications SDIO Ports and Devices Notebook Computers USB Ports and Devices Cell Phones PDAs and Palmtop Devices GPS Systems Features ♦ Guaranteed Minimum 100mA Load Current ♦ Accurate Current Limit ♦ Preset Output Voltages: 1.8V/2.5V/2.8V/3.0V/3.3V ♦ 2.5V to 5.5V Supply Voltage Range ♦ Adjustable Soft-Start ♦ Low Dropout Voltage ♦ Thermal Shutdown ♦ Reverse-Current Protection ♦ Shutdown Output Discharge (MAX4833) ♦ Low 90µA Supply Current ♦ Ultra-Low 0.1µA Shutdown Current ♦ FLAG and Latch Off (MAX4832) or RESET (MAX4833) ♦ Tiny SOT23 and TDFN Packages 100mA LDO Linear Regulators with Current-Limiting Switch ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 19-3372; Rev 0; 7/04 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Note: “xy” are placeholders for the output voltage levels of the devices. Insert the values found in Table 1 at the end of this doc- ument in the place of “xy”. The “_” is a placeholder for either the RESET or the FLAG feature. Insert “B” in the place of “_” for RESET and “C” for FLAG. “dd” is a placeholder for the reset timeout period. Insert the values found in Table 2 in the place of “dd.” For example, MAX4833EUT18BD2 has a 1.8V output volt- age, RESET feature, and a 30ms reset timeout period. Note that “dd” applies only to the devices with RESET option and does not apply to the devices with FLAG option. For devices with the FLAG option, leave dd blank. Standard versions require a mini- mum order increment of 2.5k units. Nonstandard versions must be ordered in 10k unit increments. Contact factory for availability. *Future product—contact factory for availability. PART TEMP RANGE PIN-PACKAGE MAX4832EUTxy_-T* -40°C to +85°C 6 SOT23-6 MAX4832ETTxy_-T -40°C to +85°C 6 TDFN-6 MAX4833EUTxy_dd-T* -40°C to +85°C 6 SOT23-6 MAX4833ETTxy_dd-T -40°C to +85°C 6 TDFN-6 6 OUT 5 SS 4 RESET (FLAG) 1 2 GND 3 SHDN MAX4832/MAX4833 IN TDFN EXPOSED PADDLE TOP VIEW ( ) MAX4832ETTxyC ONLY. Pin Configurations Pin Configurations continued at end of data sheet. Tables 1 and 2 and Selector Guide appear at end of data sheet. |
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