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XC6366A203MR 参数 Datasheet PDF下载

XC6366A203MR图片预览
型号: XC6366A203MR
PDF下载: 下载PDF文件 查看货源
内容描述: PWM Controllde , PWM / PFM切换降压型DC / DC Converers [PWM Controllde, PWM/PFM Switchable Step-Down DC/DC Converers]
分类和应用:
文件页数/大小: 21 页 / 1663 K
品牌: TOREX [ TOREX SEMICONDUCTOR ]
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☆GO-Compatible
◆Input
Voltage Range : 2.2~10.0V
◆Output
Voltage Range : 1.5~6.0V (±2.5%)
◆Oscillator
Frequency : 300kHz (±15%)
◆Maximum
Duty Ratio : 100%
◆High
Efficiency
: 92%
◆PWM/PFM
Switching Control (XC6366)
◆SOT-25
Package
■APPLICATIONS
●Electronic
information organizers
●Palmtops
●Cellular
and portable phones
●Portable
audio systems
●Various
multi-function power supplies
■GENERAL
DESCRIPTION
The XC6365/66 series are multi-functional step-down DC/DC
converters with built-in high speed, low ON resistance drivers.
An output current of more than 1A is possible using an
externally connected transistor, coil, diode and capacitor.
Output voltage is programmable in 100mV increments between
1.5V to 6.0V (V
OUT
) (±2.5% accuracy). Further, with 1.0V of
standard voltage supply internal and using externally
connected components, output voltage can be set up freely
(FB). With a 300kHz switching frequency, the size of the
external components can be reduced.
Control switches from PWM to PFM during light loads with the
XC6366 (PWM/PFM switchable) and the series is highly
efficient from light loads to large output currents.
In relation to soft-start time, both internally set-up 10msec
types (A, B) and external resistor or capacitor regulated types
(C, D) are available.
During stand-by time (CE pin "Low" ), current consumption is
reduced to less than 0.5μA.
With U.V.L.O. internal, the external transistor will be forcibly
switched off if used below the stipulated voltage.
■FEATURES
Input Voltage Range
: 2.2V ~ 10V (V
OUT
type)
Output Voltage Range
: 1.5V ~ 6.0V programmable in
100mV increments (±2.5%)
Oscillation Frequency
: 300kHz (±15%)
: Custom products for 180, 500kHz
Output Current
High Efficiency
: More than 1.0A
(V
IN
=5.0V, V
OUT
=3.0V)
: 92% (TYP.)
Stand-by Capability
: ISTB=0.5μA (MAX.)
Soft-start time set-up externally type possible
Internally set-up output voltage type possible (V
OUT
)
Externally set-up output voltage type possible (FB)
Package
: SOT-25
■TYPICAL
APPLICATION CIRCUIT
■TYPICAL
PERFORMANCE
CHARACTERISTICS
XC6365 6366 ETR0501_001.doc
703