Skip to main content Skip to first level navigation
Skip to main content First level navigation Menu
联系我们 企业情报 ricoh.com
Breadcrumbs
Facebook (Open link in new window) YouTube (Open link in new window) LinkedIn (Open link in new window)
Main content
Main content

R1200 系列

用于PMOLED的和通用型的PWM升压DC/DC转换器,带关闭功能

  • Consumer
  • RoHS

The R1200 Series are CMOS-based PWM step-up DC/DC converters, which are optimized to drive PMOLED or white LEDs with constant current. The R1200 includes an under-voltage lockout circuit (UVLO), a soft-start circuit, and an over-voltage protection circuit (OVP). By simply using an inductor, divider resistors, and capacitors as external components, PMOLEDs and white LEDs can be driven with high efficiency.

At the standby mode, the internal NPN transistor can separate the output from the input. (Shutdown function) By this shutdown function, the LED current can be completely shutdown, and output voltage for PMOLED can be completely cut off, therefore, the R1200 does not have bad impact on the life expectancy of PMOLED. The version with auto-discharge function is available.

规格&数据表

  消费
输入电压范围 2.3 V to 5.5 V (6.5 V)
工作温度范围 -40°C to 85°C (125°C)
电源电流 Typ. 500 µA
待机电流 Typ. 0 µA
输出电压范围 Max. 20 V (0.1 V step)
反馈电压 1.0 V (Externally adjustable)
反馈电压精度 ±1.5%
反馈电压温度系数 ±150 ppm/°C
驱动器导通电阻 Typ. 1.35 Ω
振荡器频率 Typ. 1200 kHz
最大占空比 Typ. 91%
封装 DFN1616-6, SOT-23-6

下载数据表

保护回路/功能

功能说明

TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust
                   

技术资料

Typical Application

Typical Application

* R1, R2 : For setting output voltage, R3 : 2kΩ, C3 : 220pF
By simply using an inductor, divider resistors and capacitors as external components, a high-efficiency step-up DC/DC converter can be easily configured.

R1200 Efficiency vs. Output Current

R1200 Efficiency vs. Output Current

品质&封装

产品名称 对应 封装 标注 信赖性
R1200Lxxxx-TR
  • gradeConsumerC
DFN1616-6 R1200L R1200L
R1200Nxxxx-TR-FE
  • gradeConsumerC
SOT-23-6 R1200N R1200N-FE

有关产品的详细信息,请参见数据表。
封装文件包括封装尺寸,卷带规格,卷带盘尺寸,功耗和建议的焊盘图案。
请联系我们或我们的代理商以获取未发布的可靠性信息。

买入/样品

功能说明

TSD 热关断电路
ILX LX Current Limit Function
OCP 过流保护
OVP 过压保护
UVLO 欠压锁定功能
OVLO Overvoltage Lockout Protection
Reverse 反向电流保护电路
Shutdown 关机功能
Soft Start 软启动功能
SSCG Spread Spectrum Clock Generator Function
PGOOD Power Good Output
Auto Discharge 自动放电功能
Anti-ringing Anti-ringing Switch Function
Sequencing Start-up Sequencing Control
Max Duty 最大占空比
Ext. Phase 外部可调相位补偿
LED Adjust LED High-speed Dimming Control

用以下条件检索类似商品

分类:DC / DC开关稳压器

拓扑结构 Boost
输入电压
min (V)
2.3
输入电压
max (V)
5.5
输出电压
max (V)
20
消费电流
(µA)
500