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| 型号： | XC6601B121MR-G |
| 厂商： | Torex Semiconductor Ltd |
| 文件页数： | 1/33页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.2V .4A SOT25-5 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.2V |
| 输入电压： | 最高 3 V |
| 电压 - 压降（标准）： | 0.128V @ 400mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 400mA（最小） |
| 电流 - 限制（最小）： | 400mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-25 |
| 包装： | 带卷 (TR) |
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XC6601 Series
ETR0335_007
Low Voltage Input LDO Voltage Regulator with Soft-Start Function
■ GENERAL DESCRIPTION
The XC6601 series is a low voltage input CMOS LDO regulator which provides highly accurate ( ± 20mV) outputs and can
supply current efficiently due to its ultra low on-resistance even at low output voltages. The series is ideally suited to the
applications which require very low dropout voltage operation and consists of a voltage reference, an error amplifier, a driver
transistor, a current limiter, a fold back circuit, a thermal shutdown (TSD) circuit, an under voltage lock out (UVLO) circuit,
soft-start circuit and a phase compensation circuit.
Output voltage is selectable in 0.05V increments within a range of 0.7V to 1.8V using laser trimming technology and ceramic
capacitors can be used for the output stabilization capacitor (C L ).
The over current protection circuit (the current limiter and the fold back circuit) as well as the thermal shutdown circuit (the
TSD circuit) are built-in. These two protection circuits will operate when either the output current reaches the current limit
level or the junction temperature reaches the temperature limit level.
With the built-in UVLO function, the regulator output is forced OFF when the voltage level at the V BIAS pin or the V IN pin falls
below the UVLO voltage level. With the soft-start function, the inrush current from V IN to V OUT for charging C L at start-up can
be reduced and makes the V IN stable.
The CE function enables the output to be turned off and the series to be put in 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 which is located between the V OUT pin and the V SS pin. As a
result the V OUT pin quickly returns to the V SS level.
■ APPLICATIONS
● Smart phones / Mobile phones
● Portable game consoles
● Digital still cameras / Camcorders
● Digital audio equipment
● Mobile devices / treminals
■ FEATURES
Maximum Output Current
Dropout Voltage
Bias Voltage Range
Input Voltage Range
Output Voltage Range
Output Voltage Accuracy
Power Consumption
UVLO
TSD (Detect/Release)
Soft-Start Time
Operating Temperature Range
Function
Low ESR Capacitor
Packages
Environmentally Friendly
: 400mA (Limit:550mA TYP.)
: 38mV@I OUT =100mA (TYP.)
(at V BIAS - V OUT =2.4V)
: 2.5V ~ 6.0V (V BIAS - V OUT ≧ 1.2V)
: 1.0V ~ 3.0V(V IN ≦ V BIAS )
: 0.7V ~ 1.8V (0.05V increments)
: ± 20mV
: I BIAS =25 μ A , I IN =1.0 μ A (TYP.)
I BIAS =0.01 μ A , I IN =0.01 μ A (TYP.)
: V BIAS =2.0V, V IN =0.4V (TYP.)
: 150 ℃ /125 ℃ (TYP.)
: 240 μ s @ V OUT =1.2V (TYP.)
: -40 ℃ ~ +85 ℃
: C L High Speed Auto-Discharge
: Ceramic Capacitor Compatible
: USP-6C, SOT-25, SOT-89-5
: EU RoHS Compliant, Pb Free
■ TYPICAL APPLICATION CIRCUIT ■ TYPICAL PEFORMANCE
● V BIAS =3.6V , V IN =1.8V , V OUT =1.5V CHARACTERISTICS
● Dropout Voltage vs. Output Current
XC 6 6 0 1 B 1 2 1 M R
Ta=25 [℃]
300
VBIAS=3.0V
250
200
150
100
50
0
VBIAS=3.3V
VBIAS=3.6V
VBIAS=4.2V
VBIAS=5.0V
0
100
200
300
400
Output Current: IOUT(mA)
1/33
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| XC6601B121PL | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:Low Voltage Input LDO Voltage Regulators |
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