Datasheet for LT3692A:
- Manufacturer Part Number : LT3692A
- Manufacturer : AD
- Description : Monolithic Dual Tracking 3.5A Step-Down Switching Regulator
- Series : LT3692A
- Reference Price : USD 3.72
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LT3692A
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LT3692A is a dual current mode PWM step-down DC/DC converter with two internal 3.8A switches. Independent input voltage, shutdown, feedback, soft-start, UVLO current limit and comparator pins for each channel simplify complex power supply tracking and sequencing requirements.
To optimize efficiency and component size, both converters have a programmable maximum current limit and are synchronized to either a common external clock input, or a resistor settable fixed 250kHz to 2.25MHz internal oscillator. A frequency divider is provided for channel 1 to further optimize component size. At all frequencies, a 180° phase relationship between channels is maintained, reducing voltage ripple and component size. A clock output is available for synchronizing multiple regulators.
Minimum input to output voltage ratios are improved by allowing the switch to stay on through multiple clock cycles only switching off when the boost capacitor needs recharging. Independent channel operation can be programmed using the SHDN pin. Disabling both converters reduces the total quiescent current to <10μA.
The LT3692A is an improved version of the LT3692 with reduced minimum on-time.
| Min On-Time | Features | Package | |
| LT3692 | 180ns | - | 5 × 5 QFN-32 |
| LT3692A | 140ns | Programmable Shutdown UVLO | TSSOP-38E, 5 × 5 QFN-32 |
Applications
- Automotive Supplies
- Distributed Supply Regulation
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
