Datasheet > R1224N182M-TR-F

R1224N182M-TR-F

更新时间： 2024-09-25 04:58:15

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
42页	399K
描述
Switching Controller, 0.05A, 216kHz Switching Freq-Max, CMOS, PDSO5, LEAD FREE, SOT-23, 5 PIN

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技术参数
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R1224N182M-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：	5
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.63
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	18.5 V	最小输入电压：	2.3 V
标称输入电压：	3 V	JESD-30 代码：	R-PDSO-G5
JESD-609代码：	e2	长度：	2.9 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	5	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出电流：	0.05 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
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：	SINGLE	最大切换频率：	216 kHz
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	TIN SILVER	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

R1224N182M-TR-F 数据手册

R1224N SERIES

PWM/VFM step-down DC/DC Controller

NO.EA-096-080825

OUTLINE

The R1224N Series are CMOS-based PWM step-down DC/DC Converter controllers with low supply current.

Each of these ICs consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a

phase compensation circuit, a soft-start circuit, a protection circuit, a PWM/VFM alternative circuit, a chip enable

circuit, resistors for output voltage detect, and input voltage detect circuit. A low ripple, high efficiency step-down

DC/DC converter can be easily composed of this IC with only several external components, or a power-transistor,

an inductor, a diode and capacitors. Output Voltage is fixed or can be adjusted with external resistors (Adjustable

types are without PWM/VFM alternative circuit).

With a PWM/VFM alternative circuit, when the load current is small, the operation is automatically switching

into the VFM oscillator from PWM oscillator. Therefore, the efficiency at small load current is improved. Several

types of the R1224Nxxx, which are without a PWM/VFM alternative circuit, are also available.

If the term of maximum duty cycle keeps on a certain time, the embedded protection circuit works. The

protection circuit is Reset-type protection circuit, and it works to restart the operation with soft-start and repeat

this operation until maximum duty cycle condition is released. When the cause of large load current or something

else is removed, the operation is automatically released and returns to normal operation.

Further, built-in UVLO function works when the input voltage is equal or less than UVLO threshold, it makes

this IC be standby and suppresses the consumption current and avoid an unstable operation.

FEATURES

• Supply Current................................................................Typ. 20µA (R1224Nxx2E/F/M/L, R1224N102M)

Typ. 30µA (R1224Nxx2G, R1224N102G)

Typ. 40µA (R1224Nxx2H, R1224N102H)

• Standby Current..............................................................Typ. 0µA

• Input Voltage Range .......................................................2.3V~18.5V

• Output Voltage Range.....................................................1.2V to 6.0V (R1224Nxx2x)

1.0V to V^IN(R1224N102x)

• Output Voltage Accuracy.................................................±2.0%

• Oscillator Frequency.......................................................Typ. 180kHz (R1224Nxx2L/M, R1224N102M)

Typ. 300kHz (R1224Nxx2E/G, R1224N102G)

Typ. 500kHz (R1224Nxx2F/H, R1224N102H)

• Efficiency.........................................................................Typ. 90%

• Low Temperature-Drift Coefficient of Output Voltage......Typ. ±100ppm/°C

• Package .......................................................................... SOT-23-5

• Built-in Soft-start Function............................................... Typ. 10ms

• Built-in Current Limit Circuit

APPLICATIONS

• Power source for hand-held communication equipment, cameras, video instruments such as VCRs,

camcorders.

• Power source for battery-powered equipment.

• Power source for household electrical appliances.

12 3 4 5 6 7...42

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与R1224N182M-TR-F相关器件

型号	品牌	获取价格	描述	数据表
R1224N192E-TR	RICOH	获取价格	Switching Controller, 0.05A, 360kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192E-TR-F	RICOH	获取价格	Switching Controller, 300kHz Switching Freq-Max, CMOS, PDSO5, ROHS COMPLIANT, SOT-23, 5 PI
R1224N192E-TR-FA	RICOH	获取价格	Switching Controller, 0.05A, 360kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192F-TL	RICOH	获取价格	Switching Controller, 0.05A, 600kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192F-TR	RICOH	获取价格	Switching Controller, 0.05A, 600kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192F-TR-F	RICOH	获取价格	Switching Controller, 500kHz Switching Freq-Max, CMOS, PDSO5, ROHS COMPLIANT, SOT-23, 5 PI
R1224N192F-TR-FA	RICOH	获取价格	Switching Controller, 0.05A, 600kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192G-TL-FA	RICOH	获取价格	Switching Controller, 0.05A, 360kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192G-TR	RICOH	获取价格	Switching Controller, 0.05A, 360kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN
R1224N192G-TR-FA	RICOH	获取价格	Switching Controller, 0.05A, 360kHz Switching Freq-Max, CMOS, PDSO5, SOT-23, 5 PIN

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