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R1201N031A-TR-F

更新时间： 2024-11-11 19:57:43
品牌 Logo 应用领域
理光 - RICOH 开关光电二极管
页数 文件大小 规格书
1页 81K
描述
Switching Regulator, 1A, 1400kHz Switching Freq-Max, PDSO6, LEAD FREE, SOT-23, 6 PIN

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中文翻译

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R1201N031A-TR-F 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOT-23
包装说明：LSSOP,针数：6
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：1.8 V
标称输入电压：3.6 VJESD-30 代码：R-PDSO-G6
长度：2.9 mm功能数量：1
端子数量：6最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.4 mm表面贴装：YES
切换器配置：BOOST最大切换频率：1400 kHz
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

R1201N031A-TR-F 数据手册

  
R1201x Series  
PWM Step-up DC/DC Converter for White LED  
The R1201x Series are CMOS-based PWM step-up DC/DC converters, which are optimized to drive white LEDs with constant current.  
R1201x includes a forward diode, an under-voltage lockout circuit (UVLO), soft start circuit, and over-voltage protection circuit (OVP).  
By simply using an inductor, a resistor, and capacitors as external components, white LEDs can be driven with constant current and  
high efficiently. A diode is built-in; therefore it is possible to drive up to 5 serial LEDs without an external diode. The LED current can  
be determined by the value of current setting resistor. The brightness of the LEDs can be adjusted quickly by applying a PWM signal  
(10kHz to 300kHz) to the CE pin.  
FEATURES  
• Supply Current (IDD)························Typ. 500μA (VIN=5.5V, VFB=0V, Lx at no load)  
• Standby Current (Istandby) ·················Max. 5μA (VIN=5.5V,CE="L")  
•
Oscillator Maximum Duty Cycle (Maxduty) ··Typ. 91%  
• UVLO Detect Voltage (VUVLO)··········Typ. 1.6V  
• Input Voltage Range (VIN)···············1.8V to 5.5V (Absolute maximum rating : 6.5V) • Coil-current Limit Circuit ·················Current limit Typ. 700mA  
•
Feedback Voltage (VFB  
)
····················0.2V  
• Over Voltage Protection Circuit (OVP)  
• Feedback Voltage Accuracy ···········± 10mV  
• Oscillator Frequency (fosc)···············1.2MHz  
• Packages········································DFN1616-6, SOT-23-6  
BLOCK DIAGRAMS  
TYPICAL APPLICATION  
R1201x  
R1201x05xA  
VFB  
VIN  
L
X
VOUT  
L1  
22μH  
Error Amp  
UVLO  
C1  
1μF  
PWM Comp.  
C2  
1μF  
Switch  
Control  
R
Q
OVP  
V
IN  
LX  
S
Vref  
PWM  
Control  
OSC  
CE  
VOUT  
Slope  
Compensation  
Current  
Protect  
Current  
sense  
GND  
VFB  
EN  
Σ
R1  
10Ω  
Shutdown  
delay  
Chip Enable  
CE  
GND  
SELECTION GUIDES  
.
xxx : Specify the OVP voltage.  
Package  
DFN1616-6  
SOT-23-6  
Quantity per Reel  
5,000 pcs  
Part No.  
(
.
021  
051  
.
) OVP : 9.5V, (  
) OVP : 20.6V, (  
.
031  
.
) OVP : 14.0V, (  
.
041  
.
) OVP : 18.5V,  
R1201L  
.
xxxA -TR  
(.  
.
.
052  
.
) OVP : 21.6V*  
3,000 pcs  
R1201N  
.
xxxA -TR-F  
Input Voltage range:1.8V to 4.5V  
∗
PACKAGES  
TYPICAL CHARACTERISTIC  
1
DFN1616-6∗  
4LEDs Efficiency vs. LED Current  
90  
SOT-23-6  
Top View  
Bottom View  
6
5
4
6
5
4
4
5
6
85  
80  
75  
70  
65  
∗
1
2
3
1
2
3
3
2
1
1
2
3
4
5
6
CE  
VFB  
Lx  
1
CE  
VOUT  
VIN  
Lx  
GND  
VFB  
LQH32CN220K53 (3.2x2.5x1.55)  
VLF3010ST-220 (3.0x2.8x1.0)  
LQH2MCN220K02 (2.0x1.6x0.9)  
60  
2
3
4
5
6
55  
GND  
VIN  
VOUT  
50  
0
5
10  
15  
20  
Output Current IOUT (mA)  
) The tab is substrate level (GND).  
∗
APPLICATIONS  
• White LED driver for hand-held equipment  
No.EK-207-100112  
Step-up DC/DC Converter  
1

中文翻译

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