Product Descriptions
The TPS61322 is a synchronous boost converter with only 6.5-μA quiescent current. The TPS61322 provides a power-supply solution for products powered by alkaline battery, NiMH rechargeable battery, or one-cell Li-ion battery. The boost converter is based on a hysteretic control topology using synchronous rectification to obtain maximum efficiency at minimal quiescent current. The TPS61322 also allows the use of small external inductor and capacitors. Higher than 90 PERCENT efficiency is achieved at 10-mA load from 1.5-V input to 2.2-V output conversion.
The TPS61322 can also support high output current applications with an external schottky diode. The TPS613222A provides higher than 500-mA output current capability at 3-V input voltage to 5-V output voltage conversion with an external Schottky diode in parallel with the internal rectifier FET.
The output voltage is set internally to a fixed output voltage from 1.8 V to 5.5 V in increments of 0.1 V. Thus, it only needs two external components to get the desired output voltage. The TPS61322 also implements thermal shutdown protection function. The TPS61322 is available in a 2.9-mm × 1.3-mm 3-pin SOT package or a 2.9-mm × 1.6-mm 5-pin SOT package.
Product Features
? Operating input voltage range: 0.9 V to 5.5 V
? Output voltage range: 1.8 V to 5.5 V
? 6.5-μA Quiescent current into VOUT pin
? ±3 PERCENT Output voltage accuracy over temperature
? Minimum switch peak-current limit:
– 0.42 A for TPS613223A
– 0.5 A for TPS61322
– 0.75 A for TPS613221A and TPS613226A
– 1.10 A for TPS613222A
? Higher than 90 PERCENT efficiency at 10-mA load from 1.5-V to 2.2-V conversion
? Thermal shutdown protection
? 2.9-mm × 1.3-mm 3-pin SOT package and 2.9-mm
× 1.6-mm 5-pin SOT package
? Create a custom design using the TPS61322 with the WEBENCH? Power Designer
Product Applications
? 1-cell to 3-cell Alkaline or NiMH battery-powered applications
? Gaming control
? Tablet
? Portable electronics
? Medical equipment
Specifications
ANSM-Part# | TPS613222ADBVR |
category | Integrated Circuit (IC) |
PMIC - Voltage Regulators - DC DC Switching Regulators | |
manufacturer | Texas Instruments |
series | - |
Package | Tape and Reel (TR) |
Shear Band (CT) | |
product status | in stock |
Function | boost |
output configuration | just |
topology | boost |
output type | fixed |
Number of outputs | 1 |
Voltage - Input (Min) | 0.9V |
Voltage - Input (Max) | 5.5V |
Voltage - Output (min/fixed) | 5V |
Voltage - Output (Maximum) | - |
Current - Output | 2.5A |
Frequency - switch | 500kHz ~ 2MHz |
Synchronous Rectifier | Yes |
Operating temperature | -40°C ~ 125°C(TJ) |
installation type | Surface Mount Type |
Package/Enclosure | SC-74A,SOT-753 |
Supplier Device Packaging | SOT-23-5 |
Basic product number | TPS613222 |
Actual product photos
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