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TPS40100

Features: • Operation over 4.5 V to 18 V Input Range• Adjustable Frequency (Between 100 kHz and 600 kHz) Current Feedback Control• Output Voltage Range From 0.7 V to 5.5 V• Simultaneous, Ratiometric and Sequential Startup Sequencing• Adaptive Gate Drive• Remote ...

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SeekIC No. : 004526818 Detail

TPS40100: Features: • Operation over 4.5 V to 18 V Input Range• Adjustable Frequency (Between 100 kHz and 600 kHz) Current Feedback Control• Output Voltage Range From 0.7 V to 5.5 V• S...

TPS40100 Data Sheet

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Part Number:
TPS40100
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Operation over 4.5 V to 18 V Input Range
• Adjustable Frequency (Between 100 kHz and 600 kHz) Current Feedback Control
• Output Voltage Range From 0.7 V to 5.5 V
• Simultaneous, Ratiometric and Sequential Startup Sequencing
• Adaptive Gate Drive
• Remote Sensing (Via Separate GND/PGND)
• Internal Gate Drivers for N-channel MOSFETs
• Internal 5-V Regulator
• 24-Pin QFN Package
• Thermal Shutdown
• Programmable Overcurrent Protection
• Power Good Indicator
• 1%, 690-mV Reference
• Output Margining, 3% and 5%
• Programmable UVLO (with Programmable Hysteresis)
• Frequency Synchronization


Application

• Servers
• Networking Equipment
• Cable Modems and Routers
• XDSL Modems and Routers
• Set-Top Boxes
• Telecommunications Equipment
• Power Supply Modules


Specifications

  TPS40100 UNIT
VIN Input voltage range
VDD
V
5VBP, BIAS, FB, ILIM, ISNS, LDRV, MGU, MGD, PG, SS,
SYNC, UVLO, VO
-0.3 to 6
BST to SW, HDRV to SW(2)
-0.3 to 6.0
SW
-1.5 to VVIN
SW (transient) < 100 ns
-6 to 30
TRKIN
-0.3 to 20
GND to PGND
-0.3 to 0.3
TRKOUT
-0.3 to 8.0
IIN Input current range
HDRV, LDRV (RMS)
0.5
A
HDRV, LDRV (peak)
2.0
FB, COMP, TRKOUT
10 to -10
mA
SS
20 to -20
mA
PG
20
GM
1
RT
10
V5BP
50(3)
µA
TJ Operating junction temperature range
40 to 125
°C
Tstg Storage temperature
55 to 150



Description

The TPS40100 is a mid voltage, wide-input (between 4.5 V and 18 V), synchronous, step-down controller. The TPS40100 offers programmable closed loop soft-start, programmable UVLO (with programmable
hysteresis), programmable inductor sensed current imit and can be synchronized to other timebases. The TPS40100 incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFET. Gate drive logic incorporates adaptive anti-cross conduction circuitry for improved efficiency, reducing both cross conduction and diode conduction in the rectifier MOSFET. The externally programmable current of TPS40100 limit provides a hiccup overcurrent recovery characteristic.




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