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參數(shù)資料
| 型號： | TEA1200TS |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.95 V starting DC-to-DC converter with low battery indicator |
| 中文描述： | 5 A SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 4.40 MM, PLASTIC, MO-152, SOT-369-1, SSOP-16 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大小： | 104K |
| 代理商： | TEA1200TS |
2002 May 14
2
Philips Semiconductors
Product specification
0.95 V starting DC-to-DC converter
with low battery indicator
TEA1200TS
FEATURES
Complete DC-to-DC converter circuit and battery low
detector
Configurablefor1, 2 or 3-cellNickel-Cadmium(NiCd)or
Nickel Metal Hydride (NiMH) batteries and 1 Lithium Ion
(Li-Ion) battery
Guaranteed DC-to-DC converter start-up from 1-cell
NiCd or NiMH battery, even with a load current
Upconversion or downconversion
Internal power MOSFETs featuring a low R
DSon
of
approximately 0.1
Synchronous rectification for high efficiency
Soft start
PWM-only operating option
Stand-alone low battery detector requires no additional
supply voltage
Low battery detection level at 0.90 V, externally
adjustable to a higher level
Adjustable output voltages
Shut-down function
Small outline package
0.6
μ
m BICMOS process.
APPLICATIONS
Cellular phones
Cordless phones
Personal Digital Assistants (PDAs)
Portable audio players
Pagers
Mobile equipment.
GENERAL DESCRIPTION
The TEA1200TS is a fully integrated battery power unit
including a high-efficiency DC-to-DC converter which runs
from a 1-cell NiCd or NiMH battery and a low battery
detector. The circuit can be arranged in several ways to
optimize the application circuit of a power supply system.
Therefore, the DC-to-DC converter can be arranged for
upconversion or downconversion and the low battery
detector can be configured for several types of batteries.
Accurate low battery detection is possible while all other
blocks are switched off.
The DC-to-DC converter features efficient, compact and
dynamic power conversion using a digital control concept
comparable with Pulse Width Modulation (PWM) and
Pulse Frequency Modulation (PFM), integrated CMOS
power switches with a very low R
DSon
and fully
synchronous rectification.
The device operates at a switching frequency of 600 kHz
which enables the use of external components with
minimum size. The switching frequency can be
synchronized to an external high frequency clock signal.
Optionally, the device can be kept in PWM control mode
only. Deadlock is prevented by an on-chip undervoltage
lockout circuit.
Active current limiting enables efficient conversion in
pulsed-load systems such as Global System for Mobile
communication (GSM) and Digital Enhanced Cordless
Telecommunications (DECT).
The low battery detector has a built-in detection level
which is optimum for a 1-cell NiCd or NiMH battery.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TEA1200TS
SSOP16
plastic shrink small outline package; 16 leads; body width 4.4 mm
SOT369-1
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相關代理商/技術參數(shù) |
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| TEA1201TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:0.95 V starting basic power unit |
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| TEA1202TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Battery power unit |
| TEA1204 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High efficiency DC/DC converter |
| TEA1204T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High efficiency DC/DC converter |
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