TPS51120RHBT Texas Instruments - Yeehing Electronics

4.5-V to 28-V, dual-channel synchronous buck controller with low standby current consumption

Pricing (USD)

Quantity	Unit Price
1 — 99	3.23
100 — 249	2.83
250 — 999	1.984
1,000 +	1.28

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Switching Controllers
RoHS	Y
Number of Outputs	2 Output
Switching Frequency	580 kHz
Duty Cycle - Max	88 %
Output Voltage	1 V to 5.5 V
Output Current	200 mA
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT
Package / Case	VQFN-32
Packaging	Reel
Operating Temperature Range	- 40 C to + 85 C
Series	TPS51120
Type	Current Mode PWM Controllers
Brand	Texas Instruments
Development Kit	TPS51120EVM-001
Moisture Sensitive	Yes
Operating Supply Current	750 uA
Operating Supply Voltage	4.5 V to 5.5 V
Product Type	Switching Controllers
Factory Pack Quantity	250
Subcategory	PMIC - Power Management ICs
Unit Weight	0.002533 oz

For more information, please refer to datasheet

Documents

TPS51120RHBT Datasheet

More Information

The TPS51120 is a highly sophisticated dual, synchronous step-down controller. It is a full featured controller designed to run directly off a three- or four-cell Li-ion battery and provide high-power and 5-V and/or 3.3-V standby regulation for all the downstream circuitry in a notebook computer system. High-current, 100-mA, 5-V or 3.3-V on-board linear regulators have glitch-free switch over function to SMPS and can be kept alive independently during standby state. The pseudo-constant frequency adaptive on-time control scheme supports full range of current mode operation including simplified loop compensation, ceramic output capacitors as well as seamless transition to reduced frequency operation at light-load condition. Optional D-CAP mode operation optimized for SP-CAP or POSCAP output capacitors allows further reduction of external compensation parts. Dynamic UVP supports VIN line sag without latch off by hitting 5-V UVP. No negative voltage appears at output voltage node during UVLO, UVP, and OCP, OTP or loss of VIN.