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ST2S06BPQR Datasheet

  • ST2S06BPQR

  • Dual synchronous rectification with reset or inhibit, 0.5 A,...

  • 21頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST2S06A33
ST2S06B - ST2S06D33
Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz
adjustable step-down switching regulator
Features
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Step-down current mode PWM (1.5 MHz)
DC-DC converter
Fixed or adjustable output voltage from 0.8 V
2% DC output voltage tolerance
Synchronous rectification
Reset function for A and D versions
Inhibit function for B version
Internal soft start for start-up current limitation
and power ON delay of 50-100 碌s
Typical efficiency: > 90%
0.5 A output current capability
Non-switching quiescent current: max 1 mA
over temperature range
R
DS(ON)
150 m惟 (typ.)
Uses tiny capacitors and inductors
Available in QFN12L (4x4 mm)
the power dissipation may cause a high heating of
the application environment. It provides up to 0.5
A over an input voltage range of 2.5 V to 5.5 V.
A high switching frequency of 1.5 MHz allows the
use of tiny surface-mount components as well as
a resistor divider to set the output voltage value.
Only an inductor and two capacitors are required.
A low output ripple is guaranteed by the current
mode PWM topology and the utilization of low
ESR SMD ceramic capacitors. The device is
thermally protected and current limited to prevent
damage due to accidental short circuit. The
ST2S06 series is available in the QFN12L (4x4
mm) package.
QFN12L (4x4 mm)
Description
The ST2S06 is a dual step-down DC-DC
converter optimized for powering low-voltage
digital cores in ODD applications and, generally,
to replace the high current linear solution when
Table 1.
Device summary
Order code
ST2S06APQR
(1)
ST2S06A33PQR
ST2S06D33PQR
ST2S06BPQR
Package
QFN12L (4x4 mm)
QFN12L (4x4 mm)
QFN12L (4x4 mm)
QFN12L (4x4 mm)
Packaging
Tape and reel
Tape and reel
Tape and reel
Tape and reel
1. Available on request.
March 2008
Rev 3
1/21
www.st.com
21

ST2S06BPQR 產(chǎn)品屬性

  • ST2S06B View All Specifications

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 降壓（降壓）

  • 可調(diào)式

  • 2

  • 可調(diào)至 0.8V

  • 2.5 V ~ 5.5 V

  • 電流模式

  • 1.5MHz

  • 800mA

  • 是

  • -30°C ~ 125°C

  • 表面貼裝

  • 12-VQFN 裸露焊盤

  • Digi-Reel®

  • 12-QFN（4x4）

  • 497-8218-ND - BOARD EVAL BASED ON ST2S06B497-8217-ND - BOARD EVAL BASED ON ST2S06A

  • 497-6910-6

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