參數(shù)資料
型號(hào)： XC9104B095ML
廠商： TOREX SEMICONDUCTOR LTD.
英文描述： Ceramic Capacitor Compatible, Step-up DC/DC Controllers
中文描述： 兼容陶瓷電容，升壓DC / DC控制器
文件頁(yè)數(shù)： 1/23頁(yè)
文件大小： 1634K
代理商： XC9104B095ML
XC9103/XC9104/XC9105
Series
1/23
Ceramic Capacitor Compatible, Step-up DC/DC Controllers
GENERAL DESCRIPTION
The XC9103/XC9104/XC9105 series are PWM, PWM/PFM auto switching /manual switching controlled universal step-up
DC/DC converter controllers.
Output will be stable no matter which load capacitors are used but should a low ESR capacitor be used, R
SENSE
of about 0.1
will be required and phase compensation will be achieved. This allows the use of ceramic capacitors and enables to obtain lower
output ripple and small PCB design. Tantalum and electrolytic capacitors can also be used, in which case, R
SENSE
becomes
unnecessary.
With 0.9V internal voltage reference and by using externally connected two resistors, output voltage can be set freely within a
range of 1.5V to 30V. The series is available in 300 kHz and 180 kHz frequencies, the size of the external components can be
reduced. 100 kHz and 500 kHz are also available in custom options.
The XC9103 offers PWM operation. The XC9104 offers PWM/PFM automatic switching operation. The PWM operation is shifted to
the PFM operation automatically at light load so that it maintains high efficiency over a wide range of load currents. The XC9105
offers both PWM and PWM/PFM auto switching operations and it can be selected by external signal.
A current limiter circuit is built-in to the IC (except with the 500 kHz version) and monitors the ripple voltage on the FB pin.
Operation is shut down when the ripple voltage is more than 250mV. The operations of the IC can be returned to normal with
a toggle of the CE pin or by turning the power supply back on.
APPLICATIONS
PDAs
Cellular phones
Palmtop computers
Portable audio systems
Various multi-function power supplies
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE
CHARACTERISTICS
GreenOperation Compatible
FEATURES
Input Voltage Range
Supply Voltage Range
: 1.8V ~ 10V
Output Voltage Range
: 1.5V ~ 30V
: 0.9V ~ 10V
Set freely with the reference voltage
0.9V(
2.0%) and two resistors
Oscillation Frequency
: 100, 180, 300, 500kHz (
15%)
180, 300kHz only for XC9103/04/05B
type (with current limiter)
: more than 400mA
(V
IN
=1.8V, V
OUT
=3.3V)
: PWM (XC9103)
PWM/PFM auto-switching (XC9104)
PWM/PFM manual switching
(XC9105)
: 85% (TYP.)
: I
STB
=1.0
A (MAX.)
: Low ESR capacitors compatible
: Operates when
ripple voltage=250mV
Also available without current limiter
(100kHz and 500kHz types are
available only without current limiter)
: SOT-25, USP-6B
Output Current
Controls
High Efficiency
Stand-by Current
Load Capacitors
Current
Limiter Function
Package
ETR0404_003
相關(guān)PDF資料
PDF描述
XC9104B095MR Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091DL Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091DR Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091ML Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091MR Ceramic Capacitor Compatible, Step-up DC/DC Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XC9104B095MR 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091DL 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091DR 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091ML 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:Ceramic Capacitor Compatible, Step-up DC/DC Controllers
XC9104D091MR 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:Ceramic Capacitor Compatible, Step-up DC/DC Controllers
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