Overview
The ADM1085AKSZ-REEL7 is a sequencer integrated circuit (IC) produced by Analog Devices Inc. It is part of the ADM1085/ADM1086/ADM1087 family, designed to provide a time delay between the enabling of voltage regulators and/or dc-dc converters in multiple supply systems. This IC is particularly useful in power sequencing applications, ensuring that power supplies are turned on and off in a controlled and sequential manner.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 6-Lead Thin Shrink Small Outline Transistor Package (SC70) |
| Operating Temperature Range | −40°C to +125°C |
| Output Stage | Open-drain with active-high (ENOUT) |
| Enable Input | Active-high (ENIN) |
| Power Consumption | 15 μA (typical) |
| Input Voltage Range | Up to 22 V |
| Threshold Voltage Adjustment | Using external resistors in a voltage divider configuration |
| Cascade Capability | Can be cascaded with regulators for multiple power supply sequencing |
Key Features
- Capacitor-adjustable time delays
- High voltage (up to 22 V) enable and VIN inputs
- Low power consumption (15 μA typical)
- Specified over an extended temperature range of −40°C to +125°C
- Open-drain output stage with active-high (ENOUT) logic output
- Dedicated enable input pin (ENIN) for external control
- Level-shifting capability to match different regulator and converter logic levels
Applications
- Desktop and notebook computers
- Servers
- Low power portable equipment
- Routers and base stations
- Line cards and graphics cards
Q & A
- What is the primary function of the ADM1085AKSZ-REEL7? The primary function is to provide a time delay between the enabling of voltage regulators and/or dc-dc converters in multiple supply systems.
- What is the operating temperature range of the ADM1085AKSZ-REEL7? The operating temperature range is −40°C to +125°C.
- What type of output stage does the ADM1085AKSZ-REEL7 have? It has an open-drain output stage with an active-high (ENOUT) logic output.
- How is the threshold voltage adjusted in the ADM1085AKSZ-REEL7? The threshold voltage is adjusted using external resistors in a voltage divider configuration.
- Can the ADM1085AKSZ-REEL7 be cascaded with other regulators? Yes, it can be cascaded with regulators for sequencing multiple power supplies.
- What is the typical power consumption of the ADM1085AKSZ-REEL7? The typical power consumption is 15 μA.
- What is the maximum input voltage for the enable and VIN inputs? The maximum input voltage is up to 22 V.
- In what type of applications is the ADM1085AKSZ-REEL7 commonly used? It is commonly used in desktop and notebook computers, servers, low power portable equipment, routers, base stations, line cards, and graphics cards.
- What package type does the ADM1085AKSZ-REEL7 come in? It comes in a 6-Lead Thin Shrink Small Outline Transistor Package (SC70).
- Is the ADM1085AKSZ-REEL7 suitable for low-power applications? Yes, it is suitable for low-power applications due to its low current consumption.
