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参数资料
| 型号： | MAX6795TPSD0+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20 |
| 封装： | 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220WHHC, TQFN-20 |
| 文件页数： | 1/25页 |
| 文件大小： | 3529K |
| 代理商： | MAX6795TPSD0+T |
General Description
The MAX6791–MAX6796 ultra-low-quiescent-current,
single-/dual-output linear regulators are ideal for auto-
motive applications. The devices offer a wide 5V to 72V
operating input range, allowing them to withstand auto-
motive load-dump conditions while consuming only
68A. The MAX6791–MAX6794 are dual-output regula-
tors capable of supplying up to 150mA per output. The
MAX6795/MAX6796 offer a single output capable of
delivering up to 300mA. These devices offer standard
output-voltage options (5V, 3.3V, 2.5V, or 1.8V) and can
be adjusted to any voltage from 1.8V to 11V. The
MAX6791–MAX6794 also offer a fixed 5V output.
All devices feature a push-pull or open-drain, active-low
RESET output with a fixed output reset threshold that is
92.5%/87.5% of the regulator output OUT/OUT1. The
reset output asserts low when OUT/OUT1 drops below
the reset threshold and remains low for the fixed or
capacitor-adjustable reset timeout period after
OUT/OUT1 exceeds the reset threshold.
The MAX6791–MAX6796 provide a watchdog input that
monitors a pulse train from the microprocessor (P) and
generates reset pulses if the watchdog input remains
high or low for a duration longer than the watchdog
timeout period. All devices are available with either a
fixed watchdog timeout period of 280ms (min) or a peri-
od adjustable with an external capacitor. The
MAX6791/MAX6792 feature a windowed watchdog
timeout period with selectable window ratio. The watch-
dog feature can be disabled.
The MAX6791–MAX6794 provide dual enable inputs
(ENABLE1 and ENABLE2) that control each regulator
independently. The single-output MAX6795/MAX6796
feature one enable input (ENABLE).
All devices include a hold input (HOLD) that aids the
implementation of a self-holding circuit without requir-
ing external components. Once the regulator is
enabled, setting HOLD low forces the regulator to
remain on even if ENABLE/ENABLE1 is subsequently
set low. Releasing HOLD shuts down the regulator.
The MAX6791–MAX6796 are available in a small, ther-
mally enhanced TQFN package. The 5mm x 5mm
package dissipates up to 2.7W, supporting continuous
regulator operation during high ambient temperatures,
high battery voltage, and high load-current conditions.
The MAX6791–MAX6796 are specified for a -40°C to
+125°C operating temperature range.
Applications
Automotive
Features
Low 68A Quiescent Current
Wide 5V to 72V Supply Voltage Range
Output Current
Single Output Up to 300mA
Dual Outputs Up to 150mA per Output
Low Dropout Voltage
420mV (typ) at 100mA (Single)
840mV (typ) at 100mA (Dual)
Fixed Output-Voltage Options: 5V, 3.3V, 2.5V,
1.8V, or Adjustable Output (from 1.8V to 11V)
ENABLE and HOLD Functionality
RESET Output: Open Drain or Push-Pull
Internally Fixed (35s, 3.125ms, 12.5ms, 50ms, or
200ms) or Capacitor-Adjustable Reset Timeout
Periods
Internally Fixed or Capacitor-Adjustable
Watchdog Timeout Periods
Windowed (Minimum/Maximum) Watchdog Timer
Options (MAX6791/MAX6792)
Watchdog Disable Feature
Thermal, Short-Circuit, and Output Overvoltage
Protection
Fully Specified from -40°C to +125°C
Small, Thermally Enhanced, 5mm x 5mm TQFN
MAX6791–MAX6796
High-Voltage, Micropower, Single/Dual
Linear Regulators with Supervisory Functions
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3875; Rev 1; 8/06
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.
+Denotes lead-free package.
For tape-and-reel, add a T after the “+.” Tape-and-reel are
offered in 2.5k increments. The first placeholder “_” designates
preset output-voltage option and preset reset threshold level;
see Table 1. The second placeholder “_ ” designates the reset
timeout period; see Table 2. For example, the MAX6791TPSD3+
indicates a 3.3V output voltage with a reset threshold of 87.5%
at nominal voltage and a 50ms reset timeout period. Samples
are generally held in stock. Nonstandard versions require a 2.5k
minimum order quantity.
EVALUATION
KIT
AVAILABLE
PART
TEMP
RANGE
PIN-
PACKAGE
PKG
CODE
MAX6791TP_D _+
-40°C to +125°C
20 TQFN
T2055-4
MAX6792TP_D _+
-40°C to +125°C
20 TQFN
T2055-4
MAX6793TP_ D_+
-40°C to +125°C
20 TQFN
T2055-4
MAX6794TP_ D_+
-40°C to +125°C
20 TQFN
T2055-4
MAX6795TP_ D_+
-40°C to +125°C
20 TQFN
T2055-4
MAX6796TP_D _+
-40°C to +125°C
20 TQFN
T2055-4
Typical Application Circuit, Pin Configurations, and Selector
Guide appear at end of data sheet.
相关PDF资料 |
PDF描述 |
|---|---|
| MAX6795TPSD1+ | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| MAX6795TPSD1+T | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| MAX6795TPSD2+T | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| MAX6795TPSD3+ | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| MAX6795TPSD3+T | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6795TPSD1+ | 功能描述:线性稳压器 - 标准 Single uPower Linear RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX6795TPSD1+T | 功能描述:线性稳压器 - 标准 Single uPower Linear RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX6795TPSD2/V+ | 功能描述:低压差稳压器 - LDO 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 |
| MAX6795TPSD2/V+T | 功能描述:低压差稳压器 - LDO 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 |
| MAX6795TPSD2+ | 功能描述:线性稳压器 - 标准 Single uPower Linear RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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