參數(shù)資料
型號： XC9110A151MR
廠商： TOREX SEMICONDUCTOR LTD.
英文描述： PFM Controlled Step-Up DC/DC Converter / Controller ICs
中文描述： 烤瓷控制升壓型DC / DC轉(zhuǎn)換器/控制器芯片
文件頁數(shù)： 1/35頁
文件大?。?/td> 2432K
代理商： XC9110A151MR
XC9110/XC9111
Series
1/35
PFM Controlled Step-Up DC/DC Converter / Controller ICs
■
GENERAL DESCRIPTION
The XC9110/9111 series is a group of PFM controlled step-up DC/DC converter/controller ICs designed to generate low supply
voltage by the combination of PFM control and CMOS structure. The series is ideal for applications where a longer battery life is
needed such as in portable communication equipment. With a built-in 2.5
Ω
N-channel driver transistor, the XC9110A/C/E and
XC9111A/C/E types provide a step-up operation by using only a coil, a capacitor, and a diode connected externally.
The XC9110/9111B, D and F versions can be used with an external transistor for applications requiring larger currents.
Output voltage is internally programmable in a range from 1.5V to 7.0V in increments of 100mV (accuracy:
±
2.5%).
Maximum oscillation frequency is set to 100kHz for XC9110/9111 series. (At light loads, it is set to 180kHz for the XC9111
series.) Options include products equipped with a CE pin (C and D versions) that allows the IC to be shut down thereby
reducing supply current and with separated V
DD
/V
OUT
pins (E and F versions) to separate the power supply block and the
output voltage detect block. With the XC9110 series, maximum duty cycle is set to 75% (V
DD
=3.3V) making it suitable for
use with large current operations. The XC9111 series automatically switches duty ratio between 56% & 75% (V
DD
=3.3V)
when it senses changes in load to drop output ripple voltage and can support both large and small currents. The external
transistor types (B/D/F types) can be provided for applications, which require larger currents
.
■
APPLICATIONS
●
Mobile phones
●
Various palm top equipment
●
Cameras, VCRs
●
Various portable equipment
■
FEATURES
Operating (Input) Voltage Range
: 0.9V ~ 10.0V
Output Voltage Range
Maximum Oscillation Frequency
Built-in Switching N-ch Transistor
External Transistor Types
Lx Limit Voltage
Low Supply Current
Small Package
: 1.5V~7.0V
(100mV increments,
accuracy
±
2.5%)
: 100kHz (accuracy
±
15%)
180kHz (for the XC9111 series,
duty ratio: 56% at light loads)
: A/C/E type
ON Resistance 2.5
Ω
(V
DD
=3.0V)
: B/D/F type
: E type: more than V
DD
=2.0V
: A/C type: more than V
OUT
=2.0V
: 2.0
μ
A
(When operating, VOUT=3V)
: SOT-23 & SOT89
(for XC9111 series),
SOT-25, USP-6C
■
TYPICAL APPLICATION CIRCUIT
●
C type circuit
■
TYPICAL PERFORMANCE
CHARACTERISTICS
1
2
3
5
4
L
CIN
CL
(Tantalum)
(TOP VIEW)
SOT-25
GND
VOUT
CE
SD
VIN+
+
0
20
40
60
80
100
0
50
100
Output Current:IOUT(mA)
150
200
250
300
E
VIN=0.9V
1.2V
1.5V
2.4V
3.0V
XC9111E331MR
L=100
μ
H(CR54), CL47
μ
F(Tantalum)
SD: XB01SB04A2BR
ETR0406 004
相關PDF資料
PDF描述
XC9110A151PL PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A151PR PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161EL PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161ER PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161ML PFM Controlled Step-Up DC/DC Converter / Controller ICs
相關代理商/技術參數(shù)
參數(shù)描述
XC9110A151PL 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A151PR 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161EL 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161ER 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:PFM Controlled Step-Up DC/DC Converter / Controller ICs
XC9110A161ML 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:PFM Controlled Step-Up DC/DC Converter / Controller ICs
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