TPS3820-33DBVR Voltage Monitor With Watchdog Timer
Low-level effective, push-pull voltage monitor (reset IC) with manual reset function for reliable system supervision and recovery.
Key Features
- Power-on reset generator with fixed delay time: 200ms (TPS3823, TPS3824, TPS3825, TPS3828) or 25ms (TPS3820)
- Manual reset input (TPS3820, TPS3823, TPS3825, TPS3828)
- Multiple reset output configurations: active-low, active-high, and open drain
- Supply voltage supervision range: 2.5V, 3V, 3.3V, 5V
- Integrated watchdog timer (TPS3820, TPS3823, TPS3824, TPS3828)
- Low supply current: 15μA (typical)
- Compact 5-pin SOT-23 package
- Operating temperature range: −40°C to 85°C (−40°C to 125°C for TPS3823A-33)
Applications
- DSPs, microcontrollers, and microprocessors
- Industrial equipment and programmable controls
- Portable and battery-powered equipment
- Wireless communications systems
- Notebook and desktop computers
Device Specifications
| Part Number |
Package |
Body Size (Nominal) |
| TPS382x |
SOT-23 (5) |
2.90mm × 1.60mm |
Device Configuration Matrix
| Device |
Reset |
Reset |
WDI |
MR |
| TPS3820 |
Push-pull |
X |
X |
|
| TPS3823 |
Push-pull |
X |
X |
|
| TPS3823A |
Push-pull |
X |
X |
|
| TPS3824 |
Push-pull |
Push-pull |
X |
|
| TPS3825 |
Push-pull |
Push-pull |
X |
|
| TPS3828 |
Open-drain |
X |
X |
|
Product Images
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.
