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Semtech - High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter

Numéro de référence TS30013
Description High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter
Fabricant Semtech 
Logo Semtech 





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TS30013 fiche technique
TS30011/12/13
High Efficiency 1A/2A/3A Current-Mode
Synchronous Buck DC/DC Converter, 1MHz
TRIUNE PRODUCTS
Features
• Fixed output voltage choices: 1.5V, 1.8V, 2.5V, 3.3V, and 5V
with +/- 2% output tolerance
• Adjustable version output voltage range: 0.9V to (VCC –
1V) with +/-1.5% reference.
• Wide input voltage range
ŒŒ TS30011/12: 4.5V to 24V (26.4V Abs Max
ŒŒ TS30013: 4.5V to 18V (20V Abs Max)
• 1MHz +/- 10% fixed switching frequency
• Continuous output current: 1A (TS30011), 2A (TS30012)
and 3A (TS30013)
• High efficiency – up to 95%
• Current mode PWM control with PFM mode for improved
light load efficiency
• Voltage supervisor for VOUT reported at the PG pin
• Input supply under voltage lockout
• Soft start for controlled startup with no overshoot
• Full protection for over-current, over-temperature, and
VOUT over-voltage
• Less than 10uA in standby mode
• Low external component count
Applications
• On-card switching regulators
• Set-top box, DVD, LCD, LED supply
• Industrial power supplies
Description
The TS30011 (1A), TS30012 (2A) and TS30013 (3A) are DC/DC
synchronous switching regulator with fully integrated power
switches, internal compensation, and full fault protection. The
switching frequency of 1MHz enables the use of small filter
components resulting in minimal board space and reduced
BOM costs.
The TS30011/12/13 utilizes current mode feedback in normal
regulation PWM mode. When the regulator is placed in
standby (EN is low), the device draws less than 10uA quiescent
current.
The TS30011/12/13 integrates a wide range of protection
circuitry including input supply under-voltage lockout, output
voltage soft start, current limit, and thermal shutdown.
The TS30011/12/13 includes supervisory reporting through
the PG (Power Good) open drain output to interface other
components in the system.
Summary Specification
• Junction operating temperature -40 °C to 125 °C
• Packaged in a 16pin QFN (3x3)
Typical Application Circuit
TS30011/12/13
Final Datasheet
August 24, 2015
Rev 1.7
www.semtech.com
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