TLV62568P
Synchronous Buck ConverterThe TLV62568P is a synchronous buck converter from Texas Instruments. View the full TLV62568P datasheet below including electrical characteristics, absolute maximum ratings.
Manufacturer
Texas Instruments
Category
Switching Regulators (Buck)Overview
Part: TLV62568, TLV62568P — Texas Instruments
Type: Synchronous Buck Converter
Description: The TLV62568 device is a synchronous step-down buck DC-DC converter optimized for high efficiency and compact solution size, integrating switches capable of delivering an output current up to 1 A.
Operating Conditions:
- Supply voltage: 2.5–5.5 V
- Operating temperature: -40 to 125 °C
- Output voltage: 0.6 V to VIN
- Max output current: 1 A
Absolute Maximum Ratings:
- Max supply voltage: 6 V
- Max junction temperature: 150 °C
- Max storage temperature: 150 °C
Key Specs:
- Efficiency: Up to 95%
- Switching frequency: 1.5 MHz
- Quiescent current: 35 μA (not switching)
- Shutdown current: 0.1 μA (typ), 2 μA (max)
- Feedback regulation voltage: 0.588 V (min), 0.6 V (typ), 0.612 V (max)
- High-side FET on resistance: 150 mΩ (typ)
- Low-side FET on resistance: 100 mΩ (typ)
- High-side FET current limit: 1.5 A (min)
- Soft startup time: 700 μs (TLV62568DBV), 900 μs (TLV62568DRL, TLV62568PDRL, TLV62568PDDC)
Features:
- Power Save Mode for light load efficiency
- 100% Duty Cycle for lowest dropout
- Power Good output (TLV62568P)
- Over Current Protection
- Internal Soft Startup
- Thermal Shutdown Protection
- Pin-to-Pin Compatible with TLV62569
Applications:
- General Purpose POL Supply
- Network Video Camera
- Set Top Box
- Wireless Router
Package:
- SOT-23 (5 pins)
- SOT-23 (6 pins)
- SOT563 (6 pins)
Features
- 1 · Up to 95% Efficiency
- Low RDS(ON) Switches 150 m Ω / 100 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 Switching Frequency
- Power Good Output
- Over Current Protection
- Internal Soft Startup
- Thermal Shutdown Protection
- Available in SOT Package
- Pin-to-Pin Compatible with TLV62569
- Create a Custom Design Using the TLV62568 With the WEBENCH ® Power Designer
Applications
- General Purpose POL Supply
- Network Video Camera
- Set Top Box
- Wireless Router
Pin Configuration
Electrical Characteristics
VIN = 5 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 threshold | Junction temperature rising | 150 | °C | ||
| T JSD | 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 | TLV62568DBV | 700 | μs | ||
| t SS | Soft startup time | TLV62568DRL, TLV62568PDRL, TLV62568PDDC | 900 | μs | ||
| V PG | Power good threshold, TLV62568P | V FB rising, referenced to V FB nominal | 95% | |||
| V PG | Power good threshold, TLV62568P | 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 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 | |
| R DS(on) | High-side FET on resistance | 150 | m Ω | |||
| R DS(on) | Low-side FET on resistance | 100 | m Ω | |||
| I LIM | High-side FET current limit | 1.5 | A | |||
| f SW | Switching frequency | V OUT = 1.8 V | 1.5 | MHz |
Absolute Maximum Ratings
Over operating temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| Voltage (2) | VIN, EN, PG | -0.3 | 6 | V |
| Voltage (2) | SW (DC) | -0.3 | V IN +0.3 | V |
| Voltage (2) | SW (AC, less than 10 ns) (3) | -3 | 9 | V |
| Voltage (2) | 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 | 1 | 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 | 191.6 | 121.6 | 149.8 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 141.4 | 69.1 | 45.7 | °C/W |
| R θ JB | Junction-to-board thermal resistance | 44.5 | 45.5 | 31.1 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 34.5 | 22.3 | 1.3 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 43.9 | 46.0 | 31.7 | °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 |
|---|---|---|
| TLV62568 | Texas Instruments | SOT-23 (5-pin) |
| TLV62568DBV | Texas Instruments | SOT-23-6 |
| TLV62568DBVR | Texas Instruments | SC-74A, SOT-753 |
| TLV62568DBVR.A | Texas Instruments | SOT-23 (DBV) 5 |
| TLV62568DBVT | Texas Instruments | SOT-23 (DBV) 5 |
| TLV62568DBVT.A | Texas Instruments | SOT-23 (DBV) 5 |
| TLV62568DRL | Texas Instruments | — |
| TLV62568DRLR | Texas Instruments | SOT-5X3 (DRL) 6 |
| TLV62568DRLR.A | Texas Instruments | SOT-5X3 (DRL) 6 |
| TLV62568DRLT | Texas Instruments | SOT-5X3 (DRL) 6 |
| TLV62568DRLT.A | Texas Instruments | SOT-5X3 (DRL) 6 |
| TLV62568PDDC | Texas Instruments | — |
| TLV62568PDDCR | Texas Instruments | SOT-23-6 Thin, TSOT-23-6 |
| TLV62568PDDCR.A | Texas Instruments | SOT-23-THIN (DDC) 6 |
| TLV62568PDDCT | Texas Instruments | — |
| TLV62568PDDCT.A | Texas Instruments | SOT-23 (5) |
| TLV62568PDRL | Texas Instruments | — |
| TLV62568PDRLR | Texas Instruments | — |
| TLV62568PDRLR.A | Texas Instruments | — |
| TLV62568PDRLT | Texas Instruments | SOT-23 (5) |
| TLV62568PDRLT.A | Texas Instruments | — |
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