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TB7004FL

Features: • Operating frequency: up to 1 MHz• Incorporates 5-V regulator (output current: 10 mA.)• VCIN undervoltage lockout (UVLO) In UVLO mode, the GH and GL outputs are set Low and REG5V is set to 0 V. (The internal voltage regulator is shut down.)• Thermal shutdown (TSD...

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SeekIC No. : 004512762 Detail

TB7004FL: Features: • Operating frequency: up to 1 MHz• Incorporates 5-V regulator (output current: 10 mA.)• VCIN undervoltage lockout (UVLO) In UVLO mode, the GH and GL outputs are set Low ...

TB7004FL Data Sheet

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Part Number:
TB7004FL
Supply Ability:
5000

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

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Product Details

Description



Features:

• Operating frequency: up to 1 MHz
• Incorporates 5-V regulator (output current: 10 mA.)
• VCIN undervoltage lockout (UVLO)
   In UVLO mode, the GH and GL outputs are set Low and REG5V is set to 0 V. (The internal voltage regulator is shut down.)
• Thermal shutdown (TSD)
• Low-side MOSFET gate drive voltage: 5 to 12 V (max 16 V)
   The low-side MOSFET gate drive voltage is supplied externally via VGIN.
• DISBL# is a digital input and can receive either a 12-V or 5-V logic High signal.
• DISBL#: H = Enables the internal circuitry.
   L = Disables the internal circuitry and turns off both the high-side and low-side MOSFETs
   (GH = Low, GL = Low). The internal 5-V regulator remains active.
• The PWM input provides for 3-state output control.
   H: GH = H, GL = L
   L: GH = L, GL = H
   If the PWM input stays between the rising and falling threshold voltages for the 200-ns hold-off time, the TB7004FL turns off both the high-side and low-side MOSFETs. Thereafter, setting the PWM input High causes the TB7004FL to resume normal operation.
• The internal dead time control circuitry optimizes the switching of the high-side and low-side MOSFETs.
• Incorporates boot switch.
   Charge switch for the bootstrap capacitor (The boot switch behaves like a Schottky barrier diode.)


Pinout

Connection Diagram


Specifications

Characteristics
Symbol
Rating
Unit
VIN to PGND voltage
VIN
30
V
VCIN to CGND voltage
VCIN
−0.3 to 16
V
VSWH to PGND voltage
VSWH
−2 to 30
V
VGIN to CGND voltage
VGIN
−0.3 to 16
V
BOOT to VSWH voltage
VBOOT-VSWH
−0.3 to REG5V + 0.3
V
BOOT to CGND voltage
VBOOT
−0.3 to 30
V
PWM to CGND voltage
VPWM
−0.3 to 5.3
V
DISBL# to CGND voltage
VDISBL#
−0.3 to VCIN + 0.3
V
THDN to CGND voltage
VTHDN
−0.3 to 6
V
Output RMS current
IOUT
35
A
Operating duty cycle
D
70
%
REG5V current
IREG5V
−10 to 0.1
mA
Power dissipation Tpcb = 25
PD(25)
25
W
Tpcb = 110
PD(110)
8
W
Channel temperature
Tch
−40 to 150
Storage temperature
Tstg
−55 to 150

Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the ignificant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges.

Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept and Methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc).


Description

The TB7004FL is a synchronous buck converter (step-down chopper) module. A DC-DC converter can be formed by combining the TB7004FL with a PWM control IC, inductors, and input and output capacitors.




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