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Details for TPS65262-2RHBT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 600KHZ VQFN-32
TPS65262-2RHBT image

TPS65262-2RHBT by Texas Instruments

DC/DC CONV SYNC BUCK 600KHZ VQFN-32
Features
32-Pin VQFN (RHB) 5-mm u00d7 5-mm Package
Dedicated Enable Pins for Each Buck
Feedback Reference Voltage: 0.6 V u00b11%
Fixed 1-ms Soft-Start Time for Buck2 and Buck3
Fixed 600-kHz Switching Frequency
Integrated Dual LDOs With Input Voltage Range: 1.3 to 18 V and Continuous Output Current: 350 mA/150 mA
Internal Loop Compensation for Buck2 and Buck3
Maximum Continuous Output Current: 3 A/1 A/1 A
Operating Input Voltage Range: 4.5 to 18 V
Output Voltage Power-Good Indicator
Overvoltage Protection, Overcurrent and Short-
Programmable Soft Start Time for Buck1
Support Pulse Skipping Mode (PSM) and Forced Continuous Current Mode (FCCM)
Thermal Overloading Protection
Part Information
TPS65262-2RHBT image
RoHS Compliant
Description
The TPS65262-2 is a monolithic triple synchronous step-down (buck) converter with 3-A/1-A/1-A output current. A wide 4.5- to 18-V input supply voltage range encompasses the most intermediate bus voltage operating off 5-, 9-, 12-, or 15-V power bus. The converter, with constant frequency peak current mode, is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The device operates at 600-kHz fixed switching frequency. The loop compensations for buck 2 and buck3 have been integrated for less external components. The 180° out-of-phase operation between buck1 and buck2, 3 (buck2 and buck3 run in phase) minimizes the input filter requirements. The TPS65262-2 operates in pulse skipping mode (PSM) with connecting MODE pin to GND and operates in force continuous current mode (FCC) with driving MODE pin to high or leaving float. PSM mode provides high efficiency by reducing switching losses at light load and FCC mode reduces noise susceptibility and RF interference. Two low dropout voltage linear regulators (LDO) are also built in TPS65262-2 with input voltage range 1.3 to 18 V, continuous output current 350 mA/150 mA, independent enable and adjustable output voltage. A power-good pin asserts when any output voltages are out of regulation.
Specifications
Input Voltage Min:
4.5V
Input Voltage Max:
18V
No. of Outputs:
3 Output, 3Outputs
DC / DC Converter IC Case:
VQFN
No. of Pins:
32Pins
Output Current - Output 1:
3A
Output Current - Output 2:
1A
Output Voltage - Output 1:
-
Output Voltage - Output 2:
-
Regulator Output Type:
Adjustable
Switching Frequency:
600kHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Conv DC-DC Single Step Down 4.5V to 18V 32-Pin VQFN T/R Avnet America
Conv DC-DC Single Step Down 4.5V to 18V 32-Pin VQFN T/R Avnet Europe