TLV62569PDDCT
Synchronous Buck ConverterThe TLV62569PDDCT is a synchronous buck converter from Texas Instruments. View the full TLV62569PDDCT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Integrated CircuitsKey Specifications
| Parameter | Value |
|---|---|
| Output Current | 2A |
| Switching Frequency | 1.5MHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Synchronous Rectifier | Yes |
| Topology | Buck |
| Input Voltage (Max) | 5.5V |
| Input Voltage (Min) | 2.5V |
| Output Voltage (Max) | 5.5V |
| Output Voltage | 0.6V |
Overview
Part: TLV62569, TLV62569P — Texas Instruments
Type: Synchronous Buck Converter
Description: A synchronous step-down DC-DC converter optimized for high efficiency and compact solution size, integrating switches capable of delivering up to 2 A output current from a 2.5-V to 5.5-V input.
Operating Conditions:
- Supply voltage: 2.5–5.5 V
- Operating junction temperature: -40 to 125 °C
- Output current: 0–2 A
- Output voltage: 0.6 V to VIN
Absolute Maximum Ratings:
- Max supply voltage: 6 V
- Max continuous current: 3 A (for TLV62569DBV, TLV62569PDDC)
- Max junction/storage temperature: 150 °C
Key Specs:
- Quiescent current (not switching): 35 μA (typ)
- Shutdown current: 0.1 μA (typ), 2 μA (max)
- High-side FET on resistance: 100 mΩ (typ)
- Low-side FET on resistance: 60 mΩ (typ)
- Switching frequency: 1.5 MHz (typ) at VOUT = 2.5 V
- Feedback regulation voltage: 0.588 V (min), 0.6 V (typ), 0.612 V (max)
- Soft startup time: 800 μs (typ) for TLV62569DBV, 900 μs (typ) for TLV62569PDDC, TLV62569DRL, TLV62569PDRL
Features:
- Up to 95% Efficiency
- Power Save Mode for Light Load Efficiency
- 100% Duty Cycle for Lowest Dropout
- Power Good Output
- Over Current Protection
- Internal Soft Startup
- Thermal Shutdown Protection
Applications:
- General Purpose POL Supply
- Set Top Box
- Network Video Camera
- Wireless Router
- Hard Disk Driver
Package:
- SOT23 (5 pins)
- SOT23 (6 pins)
- SOT563 (6 pins)
Features
- 1 · Up to 95% Efficiency
- Low RDS(ON) Switches 100 m Ω / 60 m Ω
- 2.5-V to 5.5-V Input Voltage Range
- Adjustable Output Voltage from 0.6 V to VIN
- Power Save Mode for Light Load Efficiency
- 100% Duty Cycle for Lowest Dropout
- 35-μA Operating Quiescent Current
- 1.5-MHz Typical Switching Frequency
- Power Good Output
- Over Current Protection
- Internal Soft Startup
- Thermal Shutdown Protection
- Available in SOT Package
- Pin-to-Pin Compatible with TLV62568
- Create a Custom Design Using the TLV62569 With the WEBENCH ® Power Designer
Applications
- General Purpose POL Supply
- Set Top Box
- Network Video Camera
- Wireless Router
- Hard Disk Driver
Pin Configuration
Electrical Characteristics
VIN = 5.0 V, TJ = 25°C, unless otherwise noted
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY |
| I Q | Quiescent current into VIN pin | Not switching | 35 | μA | ||
| I SD | Shutdown current into VIN pin | EN = 0 V | 0.1 | 2 | μA | |
| V UVLO | Under voltage lock out | V IN falling | 2.3 | 2.45 | V | |
| V UVLO | Under voltage lock out hysteresis | 100 | mV | |||
| T JSD | Thermal shutdown | Junction temperature rising | 150 | °C | ||
| T JSD | Thermal shutdown | Junction temperature falling | 130 | °C | ||
| LOGIC INTERFACE | LOGIC INTERFACE | LOGIC INTERFACE | LOGIC INTERFACE | LOGIC INTERFACE | LOGIC INTERFACE | LOGIC INTERFACE |
| V IH | High-level threshold at EN pin | 2.5 V ≤ V IN ≤ 5.5 V | 0.95 | 1.2 | V | |
| V IL | Low-level threshold at EN pin | 2.5 V ≤ V IN ≤ 5.5 V | 0.4 | 0.85 | V | |
| t SS | Soft startup time | TLV62569DBV | 800 | μs | ||
| t SS | Soft startup time | TLV62569PDDC, TLV62569DRL, TLV62569PDRL | 900 | μs | ||
| V PG | Power good threshold | V FB rising, referenced to V FB nominal | 95% | |||
| V PG | Power good threshold | V FB falling, referenced to V FB nominal | 90% | |||
| V PG,OL | Power good low-level output voltage | I SINK = 1 mA | 0.4 | V | ||
| I PG,LKG | Input leakage current into PG pin | V PG = 5.0 V | 0.01 | μA | ||
| t PG,DLY | Power good delay time | V FB falling | 40 | μs | ||
| OUTPUT | OUTPUT | OUTPUT | OUTPUT | OUTPUT | OUTPUT | OUTPUT |
| V FB | Feedback regulation voltage | 0.588 | 0.6 | 0.612 | V |
Absolute Maximum Ratings
Over operating temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VIN, EN, PG | -0.3 | 6 | V | |
| SW (DC) | -0.3 | V IN +0.3 | V | |
| SW (AC, less than 10ns) (3) | -3 | 9 | V | |
| FB | -0.3 | 5.5 | V | |
| Operating junction temperature, T J | Operating junction temperature, T J | -40 | 150 | °C |
| Storage temperature, T stg | Storage temperature, T stg | -65 | 150 | °C |
Recommended Operating Conditions
| MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|
| V IN | Input voltage | 2.5 | 5.5 | V | |
| V OUT | Output voltage | 0.6 | V IN | V | |
| I OUT | Output current | 0 | 2 | A | |
| T J | Operating junction temperature | -40 | 125 | °C | |
| I SINK_PG | Sink current at PG pin | 1 | mA |
Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | DBV (5 Pins) | DDC (6 Pins) | DRL (6 Pins) | UNIT |
|---|---|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 188.2 | 106.2 | 146.3 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 137.5 | 52.9 | 51.0 | °C/W |
| R θ JB | Junction-to-board thermal resistance | 41.2 | 31.2 | 27.0 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 31.4 | 11.3 | 2.2 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 40.6 | 31.6 | 27.6 | °C/W |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | n/a | °C/W |
Typical Application
The following section discusses the design of the external components to complete the power supply design for several input and output voltage options by using typical applications as a reference.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| TLV62569 | Texas Instruments | — |
| TLV62569DBV | Texas Instruments | — |
| TLV62569DBVR | Texas Instruments | SC-74A, SOT-753 |
| TLV62569DBVR.A | Texas Instruments | — |
| TLV62569DBVT | Texas Instruments | — |
| TLV62569DBVT.A | Texas Instruments | — |
| TLV62569DRL | Texas Instruments | — |
| TLV62569DRLR | Texas Instruments | — |
| TLV62569DRLR.A | Texas Instruments | — |
| TLV62569DRLT | Texas Instruments | — |
| TLV62569DRLT.A | Texas Instruments | — |
| TLV62569P | Texas Instruments | — |
| TLV62569PDDC | Texas Instruments | — |
| TLV62569PDDCR | Texas Instruments | — |
| TLV62569PDDCR.A | Texas Instruments | — |
| TLV62569PDDCT.A | Texas Instruments | — |
| TLV62569PDRL | Texas Instruments | — |
| TLV62569PDRLR | Texas Instruments | — |
| TLV62569PDRLR.A | Texas Instruments | — |
| TLV62569PDRLT | Texas Instruments | — |
| TLV62569PDRLT.A | Texas Instruments | SOT23 (5) |
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