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TPS40210-EP датащи(PDF) 11 Page - Texas Instruments

номер детали TPS40210-EP
подробное описание детали  TPS40210-EP 4.5-V to 52-V Input Current Mode Boost Controller
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TPS40210-EP датащи(HTML) 11 Page - Texas Instruments

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background image
+
+
Soft Start
and
Overcurrent
5
FB
4
COMP
3
DIS/EN
700 mV
LDO
PWM
Logic
2
SS
1
RC
Oscillator
and
Slope
Compensation
UVLO
Driver
9
BP
10 VDD
8
GDRV
6
GND
7
ISNS
+
Gain = 6
+
150 mV
LEB
OC Fault
OC Fault
UDG-07107
Enable E/A
E/A
SS Ref
TPS40210-EP
www.ti.com
SLUSC89 – NOVEMBER 2015
7 Detailed Description
7.1 Overview
The TPS40210-EP is a peak current-mode control low-side controller with a built in 400-mA gate driver designed
to drive N-channel MOSFETs at a fixed frequency. The frequency is adjustable from 35 kHz to 1000 kHz. Small
size combined with complete functionality makes the part both versatile and easy to use.
The controller uses a low-value current-sensing resistor in series with the power MOSFET's source connection to
detect switching current. When the voltage drop across this resistor exceeds 150 mV, the part enters an hiccup
fault mode with a time period set by the external soft-start capacitor.
The TPS40210-EP uses voltage feedback to an error amplifier that is biased by a precision 700-mV reference.
Internal slope compensation eliminates the characteristic sub-harmonic instability of peak current mode control
with duty cycles of 50% or greater.
The TPS40210-EP also incorporates a soft-start feature where the output follows a slowly rising soft-start
voltage, preventing output-voltage overshoot. The DIS/EN disables the TPS40210-EP putting it in a low
quiescent current shutdown mode.
7.2 Functional Block Diagram
Copyright © 2015, Texas Instruments Incorporated
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Product Folder Links: TPS40210-EP


Аналогичный номер детали - TPS40210-EP_15

производительномер деталидатащиподробное описание детали
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Texas Instruments
TPS40210-EP TI1-TPS40210-EP_16 Datasheet
1Mb / 41P
[Old version datasheet]   4.5-V to 52-V Input Current Mode Boost Controller
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Аналогичное описание - TPS40210-EP_15

производительномер деталидатащиподробное описание детали
logo
Texas Instruments
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[Old version datasheet]   4.5-V TO 52-V INPUT CURRENT MODE BOOST CONTROLLER
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