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TS30021 датащи(PDF) 7 Page - List of Unclassifed Manufacturers

номер детали TS30021
подробное описание детали  High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
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производитель  ETC2 [List of Unclassifed Manufacturers]
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TRIUNE SYSTEMS PROPRIETARY & CONFIDENTIAL INFORMATION
- 7 -
TS30021/22/23
Version 1.5
Specifications subject to change
WWW.TRIUNESYSTEMS.COM
Copyright © 2013, Triune Systems, LLC
FUNCTIONAL DESCRIPTION
The TS30021/22/23 current-mode synchronous step-down power supply product is ideal for use in the commercial, industrial,
and automotive market segments. It includes flexibility to be used for a wide range of output voltage and is optimized for high
efficiency power conversion with low RDSON integrated synchronous switches. A 2MHz internal switching frequency facilitates
low cost LC filter combinations. Additionally, the fixed output versions enable a minimum external component count to provide
a complete regulation solution with only 4 external components: an input bypass capacitor, an inductor, an output capacitor,
and the bootstrap capacitor. The regulator automatically transitions between PFM and PWM mode to maximize efficiency for
the load demand.
In addition, the TS30021/22/23 provides a linear low drop-out regulator capable of operating over a wide range of output
voltage, input voltage and output current. LDO operation only requires 4 external components: an input bypass capacitor, an
output capacitor and two resistors to set output voltage. It features a separate input supply pin that is regulated down to the
output voltage. This supply input can be connected to the main SMPS supply (VCC) or the SMPS output (VOUT) or to a separate
supply thus making the device very flexible.
The TS30021/22/23 was designed to provide these system benefits:
Reduced board real estate
Lower system cost
o
Lower cost inductor
o
Low external parts count
Ease of design
o
Bill of Materials and suggested board layout provided
o
Power Good output
o
Integrated compensation network
o
Wide input voltage range
Robust solution
o
Over current, over voltage and over temperature protection
DETAILED PIN DESCRIPTION
Unregulated input, VCC
This terminal is the unregulated input voltage source for the IC. It is recommended that a 10uF bypass capacitor be placed
close to the device for best performance. Since this is the main supply for the IC, good layout practices need to be followed for
this connection.
Bootstrap control, BST
This terminal will provide the bootstrap voltage required for the upper internal NMOS switch of the buck regulator. An external
ceramic capacitor placed between the BST input terminal and the VSW pin will provide the necessary voltage for the upper
switch. In normal operation the capacitor is re-charged on every low side synchronous switching action. In the case of where
the switch mode approaches 100% duty cycle for the high side FET, the device will automatically reduce the duty cycle switch
to a minimum off time on every 8th cycle to allow this capacitor to re-charge.
Sense feedback, FB
This is the input terminal for the output voltage feedback.
For the fixed mode versions, this should be hooked directly to VOUT. The connection on the PCB should be kept as short as
possible, and should be made as close as possible to the capacitor. The trace should not be shared with any other connection.
For adjustable mode versions, this should be connected to the external resistor divider. To choose the resistors, use the
following equation:
VOUT = 0.8 (1 + RTOPSW/RBOTSW)


Аналогичный номер детали - TS30021

производительномер деталидатащиподробное описание детали
logo
List of Unclassifed Man...
TS30021 ETC2-TS30021 Datasheet
1Mb / 19P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
TS30021 ETC2-TS30021 Datasheet
1Mb / 19P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
More results

Аналогичное описание - TS30021

производительномер деталидатащиподробное описание детали
logo
List of Unclassifed Man...
TS30021 ETC2-TS30021 Datasheet
1Mb / 19P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
TS30022 ETC2-TS30022 Datasheet
1Mb / 19P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
TS30013 ETC2-TS30013 Datasheet
1Mb / 18P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
TS30012 ETC2-TS30012 Datasheet
1Mb / 18P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
TS30011 ETC2-TS30011 Datasheet
1Mb / 18P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
logo
Semtech Corporation
TS30011 SEMTECH-TS30011 Datasheet
3Mb / 18P
   High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
logo
List of Unclassifed Man...
TS33002 ETC2-TS33002 Datasheet
1Mb / 12P
   High Efficiency Synchronous 1A/2A DC/DC Buck Converter, 5Mhz
TS33001 ETC2-TS33001 Datasheet
1Mb / 12P
   High Efficiency Synchronous 1A/2A DC/DC Buck Converter, 5Mhz
logo
Semtech Corporation
TS30041Q SEMTECH-TS30041Q Datasheet
1Mb / 18P
   High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 2.2MHz
logo
AiT Semiconductor Inc.
A7122B AITSEMI-A7122B Datasheet
1Mb / 11P
   DC-DC CONVERTER BUCK (STEP-DOWN) 2A 2MHz SYNCHRONOUS
REV1.0
More results


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