MAX6381：SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
The MAX6381–MAX6390 microprocessor (µP) supervisory circuits monitor power-supply voltages from +1.8V to +5.0V while consuming only 3µA of supply current at +1.8V. Whenever VCC falls below the factory-set reset thresholds, the reset output asserts and remains asserted for a minimum reset timeout period after VCC rises above the reset threshold. Reset thresholds are available from +1.58V to +4.63V, in approximately 100mV increments. Seven minimum reset timeout delays ranging from 1ms to 1200ms are available. The MAX6381/MAX6384/MAX6387 have a push-pull active-low reset output. The MAX6382/MAX6385/MAX6388 have a push-pull active-high reset output, and the MAX6383/MAX6386/MAX6389/MAX6390 have an open-drain active-low reset output. The MAX6384/MAX6385/MAX6386 also feature a debounced manual reset input (with internal pullup resistor). The MAX6387/MAX6388/MAX6389 have an auxiliary input for monitoring a second voltage. The MAX6390 offers a manual reset input with a longer VCC reset timeout period (1120ms or 1200ms) and a shorter manual reset timeout (140ms or 150ms). The MAX6381/MAX6382/MAX6383 are available in 3-pin SC70 and 6-pin µDFN packages and the MAX6384–MAX6390 are available in 4-pin SC70 and 6-pin µDFN packages.
Key Features
| MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390: Typical Operating Circuit Applications/Uses
|
DataSheet
| title | Download file |
|---|---|
| MAX6381-MAX6390 Data Sheet | MAX6381-MAX6390.pdf |
Parametrics
| Part Number | Monitored Voltages | Manual Reset Feature | MR1 Setup Time | Reset Thresh. (V) | Reset Out | tRESET | Reset Thresh. Accur. (%) | ICC (µA) | Package/Pins | Budgetary Price |
|---|---|---|---|---|---|---|---|---|---|---|
| min | @ +25°C | max | See Notes | |||||||
| MAX6390 | 1 | Single Soft/Hard Reset Output | 1µs | 1.2 to 1.79 1.8 to 2.49 2.5 to 3.29 3.3 to 4.99 | Active Low Open Drain | >1s | 1.5 | 13 | µDFN/6 SC-70/4 | $1.15 @1k |
| Part Number | Reset Thresh. (V) | Reset Out | tRESET | Watchdog Feature | Supervisor Features | Reset Thresh. Accur. (%) | ICC (µA) | Package/Pins | Budgetary Price |
|---|---|---|---|---|---|---|---|---|---|
| min | @ +25°C | max | See Notes | ||||||
| MAX6381 | 1.2 to 1.8 1.8 to 2.5 2.5 to 3.3 3.3 to 5.5 | Active Low Push-Pull | 1ms to 15ms 15ms to 85ms 85ms to 300ms 300ms to 1s >1s | No Watchdog | - | 1.5 | 13 | µDFN/6 SC-70/3 | $1.13 @1k |
| MAX6382 | Active High Push-Pull | - | µDFN/6 SC-70/3 | $1.15 @1k | |||||
| MAX6383 | Active Low Open Drain | - | µDFN/6 SC-70/3 | $0.95 @1k | |||||
| MAX6384 | Active Low Push-Pull | Manual Reset | µDFN/6 SC-70/4 | $1.15 @1k | |||||
| MAX6385 | Active High Push-Pull | Manual Reset | µDFN/6 SC-70/4 | $1.15 @1k | |||||
| MAX6386 | Active Low Open Drain | Manual Reset | µDFN/6 SC-70/4 | $1.13 @1k | |||||
| Part Number | Interface | Reset Thresh. (V) | Reset Out | tRESET | Watchdog Feature | Supervisor Features | Reset Thresh. Accur. (%) | ICC (µA) | Package/Pins | Budgetary Price |
|---|---|---|---|---|---|---|---|---|---|---|
| min | @ +25°C | max | See Notes | |||||||
| MAX6387 | Factory Fixed R/C Adjustable | 1.2 to 1.8 1.8 to 2.5 2.5 to 3.3 3.3 to 5.5 | Active Low Push-Pull | 1ms to 15ms 15ms to 85ms 85ms to 300ms 300ms to 1s >1s | No Watchdog | Adjustable Reset Input Manual Reset | 1.5 | 13 | µDFN/6 SC-70/4 | $1.13 @1k |
| MAX6388 | Active High Push-Pull | Adjustable Reset Input | µDFN/6 SC-70/4 | $2.01 @1k | ||||||
| MAX6389 | Active Low Open Drain | Adjustable Reset Input | µDFN/6 SC-70/4 | $1.15 @1k | ||||||
Quality and Environmental Data
Related Products
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Ordering Information
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
|---|---|---|---|---|---|
| MAX6381LT16D1+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT16D2+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT16D3+ | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| MAX6381LT16D3+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| MAX6381LT16D4+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT16D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT16D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT16D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT17D1+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT17D2+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
| MAX6381LT17D3+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT17D4+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT17D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT17D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT17D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT18D1+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT18D2+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT18D3+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| MAX6381LT18D4+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT18D5+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
| MAX6381LT18D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT18D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D1+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D2+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D3+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D4+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT19D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D1+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
| MAX6381LT20D2+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D3+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D4+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT20D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D1+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D2+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D3+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D4+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
| MAX6381LT21D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D6+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT21D7+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT22D1+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT22D2+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT22D3+ | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| MAX6381LT22D3+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +125°C | Lead Free | |
| MAX6381LT22D4+T | Active | µDFN,;6 pin;1.6 mm² | -40°C to +85°C | Lead Free | |
| MAX6381LT22D5+T | Active | uDFN; | -40°C to +85°C | See data sheet | |
| MAX6381LT22D6+T | Active | uDFN; | -40°C to +85°C | See data sheet |
- MAX6381-MAX6390.pdf MAX6390
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- MAX6381.pdf MAX6381
- MAX6381-MAX6390.pdf MAX6390
