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TS30023 Datenblatt(PDF) 1 Page - List of Unclassifed Manufacturers

Teilenummer TS30023
Bauteilbeschribung  High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO
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TRIUNE SYSTEMS PROPRIETARY & CONFIDENTIAL INFORMATION
- 1 -
TS30021/22/23
Version 1.5
Specifications subject to change
WWW.TRIUNESYSTEMS.COM
Copyright © 2013, Triune Systems, LLC
VCC
EN
PG
BST
VSW
FBSW
FBLDO
VOLDO
Lout
Cout
VOUT
CBST
VOUT_LDO
Cout_LDO
PG
RTOP
RBOT
(Optional)
10k
W
VOUT
Adjustable Switcher Output
VCC
Cbypass
EN
RTOPSW
RBOTSW
VLDO
VLDO
Cbypass-LDO
VCC
EN
PG
BST
VSW
FBSW
FBLDO
VOLDO
VCC
Cbypass
EN
Lout
Cout
VOUT
CBST
VOUT_LDO
Cout_LDO
PG
RTOP
RBOT
(Optional)
10k
W
VOUT
Fixed Switcher Output
VLDO
VLDO
Cbypass-LDO
The TS30021 (1A), TS30022 (2A) and TS30023
(3A) are DC/DC synchronous switching regulator
with fully integrated power switches, internal
compensation, and full fault protection, with a low-
dropout regulator.
The switching frequency of
2MHz enables the use of small filter components
resulting in minimal board space and reduced BOM
costs. In addition, a 470mA LDO with external
voltage adjustment is provided. The LDO is capable
of working at the VCC supply.
The TS30021/22/23 utilizes current mode feedback
in normal regulation PWM mode.
When the
regulator is disabled (EN is low), the device draws
less than 10uA quiescent current.
The TS30021/22/23 integrates a wide range of
protection circuitry including input supply under-
voltage lockout, output voltage soft start, current
limit, and thermal shutdown.
The TS30021/22/23 includes supervisory reporting
through the PG (Power Good) open drain output to
interface other components in the system.
APPLICATIONS
On-card switching regulators
Set-top box, DVD, LCD, LED supply
Industrial power supplies
Fixed output voltage choices: 1.5V, 1.8V, 2.5V,
3.3V, and 5V with +/- 2% output tolerance
Adjustable version output voltage range: 0.8V to
5V with +/- 1.5% reference
Wide input voltage range
TS30021/22/23: 4.5V to 16V (18V Abs Max)
2MHz +/- 10% fixed switching frequency
Continuous output current: 1A (TS30021), 2A
(TS30022) and 3A (TS30023)
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 shutdown mode
Low external component count
LDO has adjustable output voltage 0.8V to 5V and
470mA output current capability
SUMMARY SPECIFICATION
Junction operating temperature -40
°C to 125 °C
Packaged in a 16pin QFN (3x3)
High Efficiency 1A/2A/3A Current-Mode Synchronous Buck
DC/DC Converter, 2MHz and 470mA LDO
DESCRIPTION
FEATURES
TYPICAL APPLICATIONS


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