供應(yīng)臺灣503 LED恒流驅(qū)動IC.原裝,價格優(yōu)惠,歡迎咨詢.
特性 (Features)
Ø 簡易使用 (The most easy used linear constant current LED driver)
Ø 無需外加VDD電源 (Do not need to take VDD power)
Ø 輸出中心電流19mA (19mA constant current regulator)
Ø 1.6V ~ 15V 寬電壓使用范圍 (1.6V ~ 15V wide working voltage range)
Ø 1uS啟動，可應(yīng)用于電源PWM調(diào)光 (1uS current rising time, support power supply PWM dimming function)
Ø 小于1%/V 電源或負(fù)載調(diào)變率 (Less than 1%/V line/load regulation)
Ø 125°C ~160°C 接面溫度電流緩降保護(hù) (125°C ~160°C junction temperature current ramp down thermal protect)
Ø -40℃ ~ 85℃ 環(huán)境工作溫度 (-40℃ ~ 85℃ operating temperature )
Ø 綠色封裝 (Green package)
應(yīng)用場合(Applications )
Ø 一般LED照明 (General LED lighting)
Ø LED燈帶 (LED strip )
Ø LED手電筒/閃光燈 (LED torch / flashlight)
Ø LCD背光 (LCD back lighting)
限工作條件 (Maximum Ratings T=25°C)
特性Characteristic | 號Symbol | 規(guī)格Rating | 單位Unit |
工作電壓Supply voltage | VPN | -0.2 ~ 16 | V |
反向電壓Reverse voltage | VR | 0.5 | V |
散逸功率 Power Dissipation (Ta=25°C) | PD | 0.3 | W |
環(huán)境工作溫度Operating temperature | TOPR | -40~+85 | °C |
儲存溫度Storage temperature | TSTG | -55~+85 | °C |
電氣特性與適工作條件Electrical Characteristics and Recommended Operating Conditions
特性 Characteristic | 號 Symbol | 工作條件 Condition | 小 Min. | 典型 T. | Max. | 單位 Unit |
小工作電壓Minimum dropout voltage | VPNmin | IPN = IS | - | 1.5 | 1.6 | V |
工作電壓Maximum output voltage | VPNmax | IPN = IS | - | - | 15 | V |
輸出電流Output current | IS | Spec. | - | 19 | - | mA |
電源/負(fù)載調(diào)變率Line/Load regulation | %/VP | 10V > VPN > 1.6V | - | - | &plun;1 | %/V |