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參數(shù)資料
| 型號： | XC6601 |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | Low Voltage Input LDO Voltage Regulators |
| 中文描述： | 低輸入電壓LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 257K |
| 代理商： | XC6601 |
XC6601
Series
1/11
Low Voltage Input LDO Voltage Regulators
Preliminary
FEATURES
Maximum Output Current
Dropout Voltage
Bias Voltage Range
: 400mA
(Limiter 500mA TYP.)
: 35mV@I
OUT
=100mA (TYP.)
(at V
BIAS
-
V
OUT(E)
=2.4V)
:
2.5V ~ 6.0V
(V
BIAS
- V
OUT(E)
: 1.0V ~ 3.0V
(V
IN
V
BIAS
)
: 0.7V ~ 1.8V
(50mV increments)
:
20mV
: I
BIAS
=25
A , I
IN
=1.0
: I
BIAS
=0.01
A , I
IN
=0.01
: V
BIAS
=2.0V, V
IN
=0.4V (TYP.)
:150
/125
(TYP.)
: -40
~ 85
0.9V)
Input Voltage Range
Output Voltage Range
Output Voltage Accuracy
Power Consumption
A
(TYP.)
A
(TYP.)
U.V.L.O.
TSD (Detect/Release)
Operating Temperature Range
C
L
High Speed Auto-Discharge
Low ESR Capacitor
Packages
: Ceramic Capacitor Compatible
: USP-6C, SOT-25, SOT-89-5
APPLICATIONS
Mobile phones
Cordless phones
Wireless communication equipment
Portable games
Cameras
Audio visual equipment
Portable AV equipment
PDAs
TYPICAL APPLICATION CIRCUIT
V
BIAS
=3.6V , V
IN
=1.5V , V
OUT
=1.2V
TYPICAL PEFORMANCE
CHARACTERISTICS
Dropout Voltage vs. Output Current
ETR0335_002
GENERAL DESCRIPTION
The XC6601 series is a CMOS LDO voltage regulator with precise (
On resistance even where low output voltages to achieve high efficiency of the output current. The series is suited for the
application which requires low dropout voltage operation. The series consists of a voltage reference, an error amplifier, a driver
transistor, a current limiter, a fold back circuit, a thermal shutdown (TSD) circuit, a Under Voltage Lock Out (U.V.L.O.) and a
phase compensation circuit.
The output voltage is selectable in 50mV increments within the range of 0.7V to 1.8V using laser trimming technologies. The
output stabilization capacitor (C
L
) is also compatible with low ESR ceramic capacitors.
The over current protection circuit (the current limiter and the fold back circuit) and the thermal shutdown circuit (the TSD
circuit) are built-in. These two protection circuits will operate when the output current reaches limit level or the junction
temperature reaches temperature limit level.
With the built-in U.V.L.O. function, the regulator output is forced OFF when the V
BIAS
pin or the V
IN
pin becomes the U.V.L.O.
voltage or lower.
The CE function enables the output to be turned off and the series becomes a stand-by mode resulting in greatly reduced
power consumption. At the time of entering the stand-by mode, the series enables the electric charge at the output capacitor
(C
L
) to be discharged via the internal auto-discharge switch placed between the V
OUT
pin and the V
SS
pin, as a result the V
OUT
pin quickly returns to the V
SS
level.
20mV) outputs which enables the operation in ultra low
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