APX811-XXUG-7
Microprocessor Supervisory CircuitThe APX811-XXUG-7 is a microprocessor supervisory circuit from Diodes Incorporated. View the full APX811-XXUG-7 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Manufacturer
Diodes Incorporated
Category
Microprocessor Supervisory Circuit
Key Specifications
| Parameter | Value |
|---|---|
| Case/Package | SOT-143 |
| DigiKey Programmable | Not Verified |
| Max Operating Temperature | 85 °C |
| Max Power Dissipation | 320 mW |
| Max Reset Threshold Voltage | 4.06 V |
| Max Supply Voltage | 5.5 V |
| Min Operating Temperature | -40 °C |
| Min Reset Threshold Voltage | 3.94 V |
| Min Supply Voltage | 1.1 V |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Number of Elements | 1 |
| Number of Pins | 4 |
| Number of Voltages Monitored | 1 |
| Number of Voltages Monitored | 1 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output | Push-Pull, Totem Pole |
| Package / Case | TO-253-4, TO-253AA |
| Power Dissipation | 320 mW |
| Radiation Hardening | No |
| Reset | Active Low |
| Reset | Active Low |
| Reset Timeout | 140 ms |
| Reset Timeout | 140ms Minimum |
| RoHS | Compliant |
| Supplier Device Package | SOT-143 |
| Threshold Voltage | 4 V |
| Type | Simple Reset/Power-On Reset |
| Type | Simple Reset/Power-On Reset |
| Voltage - Threshold | 4V |
| Watchdog Timer | No |
Overview
Part: APX811-40UG-7 — Diodes Incorporated
Type: Microprocessor Supervisory Circuit
Description: Precision power supply monitor for 2.5V/3.0V/3.3V/5.0V systems with a power-on reset generator, fixed 200ms delay time, and manual reset input, available in push-pull active low (APX811) or active high (APX812) output configurations.
Operating Conditions:
- Supply voltage: 1.1–5.5 V
- Operating ambient temperature: -40 to 85 °C
- Input voltage: 0 to (VCC+0.3) V
Absolute Maximum Ratings:
- Max supply voltage: 7 V
- Max input current, Vcc: 20 mA
- Max output current: 20 mA
- Max power dissipation: 320 mW
Key Specs:
- Supply Current (ICC): 30 μA (Typ), 40 μA (Max) at Vth + 0.2V
- Reset threshold (Vth): 3.94 V (Min), 4.0 V (Typ), 4.06 V (Max) at TA=25°C (for -40U variant)
- RESET Output Voltage Low (VOL): 0.3 V (Max) at VCC = Vth -0.2, ISINK = 1.2mA (APX811)
- RESET Output Voltage High (VOH): 0.8VCC (Min) at VCC > Vth +0.2, ISOURCE = 500μA (APX811)
- Power-on reset delay time (td): 140 ms (Min), 200 ms (Typ), 280 ms (Max)
- MR to RESET propagation delay (tPHL/tPLH): 0.1 μs (Max)
- VCC to RESET propagation delay (tPHL/tPLH): 25 μs (Max)
Features:
- Precision Monitor of (2.5V/3.0V/3.3V/5.0V) power supply voltage
- Full specified over temperature
- Available in four output configuration
- Manual reset input
- Push-pull RESET Active low (APX811)
- Push-pull RESET Active high (APX812)
- Power-on reset generator with fixed delay time 200ms
- SOT143: Available in 'Green' Molding Compound (No Br, Sb)
- Lead Free Finish/RoHS Compliant
Applications:
- Computers
- Controllers
- Intelligent Instruments
- Portable/Battery powered Equipment
- Critical uP and UC power Monitoring
- Automotive
Package:
- SOT143
Applications
- Computers
- Controllers
- Intelligent Instruments
- Portable/Battery powered Equipment
- Critical uP and UC power Monitoring
- Automotive
Pin Configuration
Electrical Characteristics
TA= -40 to 85 o C unless otherwise note. Typical values are at TA=+25 o C.
| Symbol | Parameter | Test Conditions | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|---|
| V CC | V CC Range | 1.0 | 5.5 | V | ||
| I CC | Supply Current | V th + 0.2V | 30 | 40 | μA | |
| 2.22 | 2.25 | 2.28 | V | |||
| 2.59 | 2.63 | 2.67 | V | |||
| 2.89 | 2.93 | 2.98 | V | |||
| V th | Reset threshold | T A =25 o C. | 3.03 | 3.08 | 3.13 | V |
| 3.94 | 4 | 4.06 | V | |||
| 4.31 | 4.38 | 4.45 | V | |||
| 4.56 | 4.63 | 4.7 | V | |||
| t s | Set-up Time | V CC = V th to (V th - 100mV) | 20 | μs | ||
| RESET Output Voltage Low | V CC = V th -0.2, I SINK = 1.2mA | 0.3 | V | |||
| V OL | (APX811) | V CC = V th -0.2, I SINK = 3.2mA V CC > 1.0V, I SINK = 50μA | 0.4 0.3 | |||
| V OH | RESET Output Voltage-High | V CC > V th +0.2, I SOURCE = 500μA | 0.8V CC | V | ||
| (APX811) | V CC > V th +0.2, I SOURCE = 800μA | V CC -1.5 | V | |||
| V OL | RESET Output Voltage-Low | V CC = V th +0.2, I SINK = 1.2mA | 0.3 | V | ||
| (APX812) | V CC = V th +0.2, I SINK = 3.2mA | 0.4 | V | |||
| V OH | RESET Output Voltage-High (APX812) | 1.8V < V CC < V th -0.2, I SOURCE = 150μA | 0.8 V CC | V | ||
| θ JA | Thermal Resistance Junction-to-Ambient | SOT143 (Note 3) | 240 | o C/W | ||
| θ JC | Thermal Resistance Junction-to-Case | SOT143 (Note 3) | 71 | o C/W |
Notes: 3. Test condition for SOT143: Device mounted on FR-4 substrate, 1"*1", 2oz, copper, single-sided, PC boards.
Absolute Maximum Ratings
| Symbol | Parameter | Rating | Unit |
|---|---|---|---|
| ESD HBM | Human Body Model ESD protection | 3 | kV |
| ESD MM | Machine Model ESD Protection | 500 | V |
| V CC | Supply voltage | -0.3~7 | V |
| V RESET | RESET | -0.3 to (Vcc+0.3) | V |
| I CC | Input Current, Vcc | 20 | mA |
| I O | Output current | 20 | mA |
| P D | Power dissipation | 320 | mW |
| Recommended Operating Conditions |
|---|
| Symbol | Parameter | Min | Max | Unit |
|---|---|---|---|---|
| V CC | Supply Voltage | 1.1 | 5.5 | V |
| V IN | Input Voltage | 0 | (V CC +0.3) | V |
| T A | Operating Ambient Temperature | -40 | 85 | o C |
OCTOBER 2009
© Diodes Incorporated
Typical Application
The APX811/812 are used for microprocessor supervisory circuit to monitor the power supplies in These circuit perform a single function: they assert a reset signal whenever the Vcc supply voltage declines below a preset threshold, keeping it asserted for at least 240ms after Vcc has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The APX811/812 have push-pull outputs.
The APX811 has an active low RESET output, while the APX812 has an active high RESET output.
The APX811/812 devices incorporate a manual reset input, MR . A low level at MR causes RESET to become active.
The APX811/2 are targeted at 2.5V, 3V, 3.3V and 5V powered systems and are available with different threshold voltages to meet the exact needs of the system. They are available in the space saving SOT143 package and operate over the whole industrial temperature range, -40 to 85°C.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| APX811 | Diodes Incorporated | — |
| APX811-23U | Diodes Incorporated | — |
| APX811-26U | Diodes Incorporated | — |
| APX811-29U | Diodes Incorporated | — |
| APX811-31U | Diodes Incorporated | — |
| APX811-40U | Diodes Incorporated | — |
| APX811-40UG-7 | Diodes Incorporated | TO-253-4, TO-253AA |
| APX811-44U | Diodes Incorporated | — |
| APX811-46U | Diodes Incorporated | — |
| APX811/2 | Diodes Incorporated | — |
| APX811/812 | Diodes Incorporated | — |
| APX812-XXUG-7 | Diodes Incorporated | — |
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