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Details for TPS621351RGXT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 1KHZ VQFN-11
TPS621351RGXT image

TPS621351RGXT by Texas Instruments

DC/DC CONV SYNC BUCK 1KHZ VQFN-11
Features
100% Duty Cycle Mode
Adjustable Soft-Start
Automatic Efficiency Enhancement AEEu2122
Available in 3-mm x 2-mm VQFN Package
Available with Active Output Discharge
DCS-Controlu2122 Topology
Input Voltage Range: 3 V to 17 V
Optional HICCUP Overcurrent Protection
Output Voltage Accuracy u00b1 1% (PWM mode)
Output Voltage from 0.8 V to 12 V
Power Good Output
Precise ENABLE input allows u2013 User-Defined Undervoltage Lockout u2013 Exact Sequencing
Quiescent Current 18 u00b5A Typ
Part Information
TPS621351RGXT image
RoHS Compliant
Description
The TPS62135 and TPS621351 are high efficiency and easy to use synchronous step-down DC-DC converters, based on the DCS-Control™ Topology. The devices wide input voltage range of 3-V to 17-V makes it suitable for multi-cell Li-Ion as well as 12-V intermediate supply rails. The devices provide 3.5-A continuous output current. The TPS62135 automatically enters Power Save Mode at light loads to maintain high efficiency across the whole load range. With that, the device is well suited for applications that require connected standby performance, like ultra low power computers. With the MODE pin set to low, the switching frequency of the device is adapted automatically based on the input and output voltage. This technique is called Automatic Efficiency Enhancement (AEE™) and maintains high conversion efficiency over the whole operation range. It provides a 1% output voltage accuracy in PWM mode and therefore enables the design of a power supply with high output voltage accuracy. The device has a typical quiescent current of 18 µA. In shutdown mode the current is typically 1 µA and the output is actively discharged for TPS62135 while the output voltage discharge feature is disabled in TPS621351. The TPS62135 is available as an adjustable version, packaged in a 3-mm x 2-mm VQFN package.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
3V
Input Voltage Max:
17V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
VQFN
No. of Pins:
11Pins
Output Current:
3.5A
Output Voltage Min:
800mV
Output Voltage Max:
12V
Switching Frequency:
2.5MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Conv DC-DC Single Step Down 3V 17V 11-Pin VQFN T/R Avnet America
Conv DC-DC Single Step Down 3V 17V 11-Pin VQFN T/R Avnet Europe