K7805M-1000R3

K78_M-1000R3 Series–1.0A Non-isolated Features  6~36VDC wide input range  Pin-out compatible with LM78xx linear regulators  High Efficiency up to 97%  Output Short Circuit Protection: Hiccup & Auto Recovery  Over Temperature Protection  Lead Free Design, RoHS Compliant  Meet Safety Standard / Approval: IEC / EN60950-1 Description The K78_M-1000R3 Series are non-isolated DC/DC converters suited to replace 1.0 Amp LM78xx linear regulators. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 11.6× 7.5× 10.2mm non-conducted black plastic case. Further features include wide 6~36VDC input voltage range, short-circuits protection and over temperature protection. Technical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Model Number Output Input Voltage Voltage Range (V) Eff .(2) (%) Output Current (mA) Min. Load (1) Full. Load Vin_max Vin_min Capacitive Load, max. (3) (uF) K7803M-1000R3 6-36V Nominal:24V 3.3 0 1000 90 80 2200 K7805M-1000R3 7-36V Nominal:24V 5 0 1000 94 85 2200 K7809M-1000R3 12-36V Nominal:24V 9 0 1000 95 90 1000 K7812M-1000R3 15-36V Nominal:24V 12 0 1000 96 92 1000 K7815M-1000R3 18-36V Nominal:24V 15 0 1000 97 93 1000 Input Specifications Input voltage K7803M-1000R3 24V nominal input 6~36V K7805M-1000R3 24V nominal input 7~36V K7809M-1000R3 24V nominal input 12~36V K7812M-1000R3 24V nominal input 15~36V K7815M-1000R3 24V nominal input 18~36V Input filter Capacitor type Environmental Specifications -40°C to +85°C (with derating) Operating ambient temperature E-mail: bothhand_sales@bothhandww.com https://www.bothhandww.com Rev: A0 Page 1 of 5 Maximum case temperature +105°C Storage temperature range -50°C to +125°C Relative humidity 95% RH max. Temperature coefficient ±0.03% / °C max. Output Specifications Output current 1A max. ±1.5% typ. Voltage accuracy 0 -100% load and 24Vin 3.3V±4% max. >=5V±3% max. Minimum load 0mA Line regulation Full load ±0.75% max. Load Regulation 10 -100% load ±1.5% max. Ripple and Noise (20MHz Bandwidth) 85mVp-p max. Capacitive load See table Short Circuit Protection(SCP) Hiccup, automatic recovery Over Temperature Protection(OTP) The IC Thermal Shutdown Temperature 150°C typ General Specifications Efficiency See table Switching frequency (Fixed) Pulse width modulation (PWM) 520kHz Reliability, calculated MTBF 10 × 10 5 Hrs Physical Specifications Case material Plastic (UL94 V-0) 0.46 × 0.295 × 0.4 Inch Dimensions (11.6 × 7.5 × 10.2 mm) Weight 1.6g (0.057oz) typ. Attention：Please don’t use it in overload condition. Power Derating Curve Output Power (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 61 60 85 80 100 120 Ambient Temp.TA (℃) Note 1. Io below this value will not damage these converters, however, they may not meet all listed specifications. 2. Typical value, tested at nominal input and full load. 3. Specifications subject to change without notice. 4. This power module is not internally fused. The input line fuse must always be used. E-mail: bothhand_sales@bothhandww.com https://www.bothhandww.com Rev: A0 Page 2 of 5 Mechanical Dimensions Pin Assignment Pin Define 1 Vin 2 GND 3 Vout Unit: mm Tolerance: XX.X=±0.5, XX.XX=±0.25 E-mail: bothhand_sales@bothhandww.com https://www.bothhandww.com Rev: A0 Page 3 of 5 Test Configurations All specifications are typical at nominal input, full load and 25°C unless otherwise stated. A DC Power Supply A DC/DC converter V V Load ◎DC Power Supply: It offers a wide voltage and current range precisely. ◎Current meter (A): Accuracy200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits) 2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits). ◎Voltage meter (V): Accuracy+(0.03% rdg + 4 digits). ◎Load: At full load. ◎Wires: The resistance of the wires must be small. 1. Ripple and Noise: as shown below. The bandwidth is 0-20MHz. Noise Ripple&Noise Ripple Output Ripple&Noise measurement test circuit: as shown below. Copper strip DC/DC converter Co Oscilloscope Load Copper strip Co: usually 1uF MLCC and 10uF tantalum capacitor. E-mail: bothhand_sales@bothhandww.com https://www.bothhandww.com Rev: A0 Page 4 of 5 2. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power is drawn from the output and the device is already running. The temperature derating curve shows the operating power-temperature range. As shown below. Output Power (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 61 60 85 80 100 120 Ambient Temp.TA (℃) 3. Application circuit: as shown below. C1=10uF/50V MLCC, C2 =22uF/25V MLCC. +Vin DC-DC converter 2 1 C1 3 +Vout Load C2 GND 4.EMC Filter Suggestion according to EN55032 CLASSB: MOV L1 C0 20D470K 300uH 470uF/50V E-mail: bothhand_sales@bothhandww.com C01 4.7uF/50V MLCC L2 5mH https://www.bothhandww.com C1 C2 10uF/50V 22uF/10V MLCC MLCC Rev: A0 Page 5 of 5