TPS51125

Features: · Wide Input Voltage Range: 5.5 V to 28 V· Output Voltage Range: 2 V to 5.5 V· Built-in 100-mA 5-V/3.3-V LDO with Switches· Built-in 1% 2-V Reference Output· With/Without Out-of-Audio™ Mode Selectable Light Load and PWM only Operation· Internal 1.6-ms Voltage Servo Softstart· Adapt...

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SeekIC No. : 004526851 Detail

TPS51125: Features: · Wide Input Voltage Range: 5.5 V to 28 V· Output Voltage Range: 2 V to 5.5 V· Built-in 100-mA 5-V/3.3-V LDO with Switches· Built-in 1% 2-V Reference Output· With/Without Out-of-Audio͐...

floor Price/Ceiling Price

Part Number:
TPS51125
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/7

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Product Details

Description



Features:

· Wide Input Voltage Range: 5.5 V to 28 V
· Output Voltage Range: 2 V to 5.5 V
· Built-in 100-mA 5-V/3.3-V LDO with Switches
· Built-in 1% 2-V Reference Output
· With/Without Out-of-Audio™ Mode Selectable Light Load and PWM only Operation
· Internal 1.6-ms Voltage Servo Softstart
· Adaptive On-Time Control Architecture with Four Selectable Frequency Setting
· 4500 ppm/°C RDS(on) Current Sensing
· Built-In Output Discharge
· Power Good Output
· Built-in OVP/UVP/OCP
· Thermal Shutdown (Non-latch)
· QFN24 (RGE)



Application

· Notebook Computers
· I/O Supplies
· System Power Supplies



Specifications

PARAMETER VALUE UNIT
Input voltage range (1) VBST1, VBST2 -0.3 to 36 V
VIN -0.3 to 30
LL1, LL2 -2.0 to 30
VBST1, VBST2 (2) -0.3 to 6
EN0, ENTRIP1, ENTRIP2, VFB1, VFB2, VO1, VO2, TONSEL, SKIPSEL -0.3 to 6
Output voltage range (1) DRVH1, DRVH2 -1.0 to 36
DRVH1, DRVH2 (2) -0.3 to 6
PGOOD, VCLK, VREG3, VREG5, VREF, DRVL1, DRVL2 -0.3 to 6
TJ Junction temperature range -40 to 125
Tstg Storage temperature -55 to 150

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Voltage values are with respect to the corresponding LLx terminal.




Description

The TPS51125 is a cost effective, dual-synchronous buck controller targeted for notebook system power rseuqpupilryessolfuetwionse.xItteprnroavl idceosm5p-oVnaenndts.3.3T-hVeLD2O70s-kaHndz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter's efficiency. The TPS51125 supports high efficiency, fast transient response and provides a combined power-good signal. Out-of-Audio™ mode light-load operation enables low acoustic noise at much higher efficiency than conventional forced PWM operation.Adaptive on-time D-CAP™ control of TPS51125 provides convenient and efficient operation. The part operates with supply input voltages ranging from 5.5 V to 28 V and supports output voltages from 2 V to 5.5 V. The iTsPsSp5e1c1if2ie5disfroamvai-l4a0b°leCintoa8254°C-pianmQbFieNntptaecmkpaegreataunred range.




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