WD78L05ZTR-AG

WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Description The WD78L05 series are three terminal positive regulators. These regulators can provide local on card regulation, eliminating the distribution problems associated with single point regulation. The WD78L05 can be used in logic systems, instrumentation, HiFi, and other solid state electronic equipment. When used as a Zener diode/resistor combination replacement, the WD78L05 usually results in an effective output impedance improvement of two orders of magnitude, and lower quiescent current. With adequate heat sinking, the WD78L05 can deliver 100mA output current. Current limiting is included to limit the peak output current to a safe value. Thermal protection is also provided. If internal power dissipation becomes too high for the heat sinking provided, the thermal shutdown circuit takes over, preventing the IC from overheating. The WD78L05 are available in the plastic TO-92, SOIC-8, SOT-223 and SOT-89 packages. ■Features and Benefits      Output Current up to 100mA Output Voltage Tolerances of ±5% over the Full Temperature Range Internal Short Circuit Current-limiting Internal Thermal Overload Protection No External Components ■Applications  High Efficiency Linear Regulator  Post Regulation for Switching Supply  Microprocessor Power Supply  Mother Board I/O Power Supply Figure 1. Package Type of WD78L05 Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 1/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Pin Configuration Figure 2. Pin Configuration of WD78L05(Top View) ■Pin Description Pin No. R M Symbol Function Z H 1 1 1 1 Output Output Voltage pin 2 2，4 2，4 2，3，6，7 GND Ground 3 3 3 8 Input Input Voltage pin ■Functional Block Diagram Figure 3. Functional Block Diagram of WD78L05 Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 2/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Ordering Information WD78L05 G: Green Circuit Type Package A: 0.4% B: 0.8% Packing Blank : Tube or Bulk TR : Tape and Reel or Ammo Z: TO-92 H：SOT-223 R：SOT-89 M：SOIC-8 Package Temperature Range Voltage Tolerance Part Number Marking ID Green Green 0.40% WD78L05Z-AG WD78L05 0.80% WD78L05Z-BG WD78L05 0.40% WD78L05ZTR-AG WD78L05 0.80% WD78L05ZTR-BG WD78L05 0.40% WD78L05HTR-AG WD78L05 Packing Type Bulk TO-92 -40 to 125℃ Ammo SOT-223 SOT-89 -40 to 125℃ Tape and Reel 0.80% WD78L05HTR-BG WD78L05 0.40% WD78L05RTR-AG WD78L05 0.80% WD78L05RTR-BG WD78L05 0.40% WD78L05M-AG WD78L05 0.80% WD78L05M-BG WD78L05 0.40% WD78L05MTR-AG WD78L05 0.80% WD78L05MTR-BG WD78L05 -40 to 125℃ Tape and Reel Tube SOIC-8 -40 to 125℃ Tape and Reel WADE's Products with"G" suffix are available in green package. are RoHS compliant. Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 3/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Absolute Maximum Ratings (Ta= 25˚C) Parameter Symbol Value Unit VCC 30 V Power Supply Voltage PD Power Dissipation (TA = 25 °C) θJA Thermal Resistance TO-92 0.65 SOT-223 0.7 SOT-89 0.65 SOIC-8 0.6 TO-92 81 SOT-223 71 SOT-89 29.8 SOIC-8 160 W °C/W TJ 150 °C Lead Temperature (Soldering, 10s) TLEAD 260 °C Storage Temperature Range TSTG -65 to +150 °C ESD (Human Body Model) — 2000 V ESD (Machine Model) — 200 V Operating Junction Temperature Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. ■Recommended Operating Conditions (TA=25°C) Parameter Symbol Power Supply Voltage VCC Operating Temperature TA Wade Semiconductor Co,LTD www.wadesemi.com Min -40 Max Unit 15 V 125 °C Rev : V1.1 4/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Electrical Characteristics IOUT = 40mA, CIN = 0.33µF, COUT = 0.1µF, VIN = 10V, TA =25ºC, unless otherwise specified. Parameter Symbol Quiescent Current Quiescent Current Change Conditions IOUT = 0 IQ Typ 3 Max Unit 5 mA 8.0V ≤ VIN ≤ 15V 1 mA 1.0mA ≤ IOUT ≤ 40mA 0.1 mA 5.2 V 5.25 V ∆IQ —— Output Voltage Min VOUT 7.0V ≤ VIN ≤ 15V 1.0mA ≤ IOUT ≤ 40mA 4.8 5 4.75 Line Regulation VRLINE 7.0V ≤ VIN ≤ 15V 18 75 mV Load Regulation VRLOAD 1.0mA ≤ IOUT ≤ 100mA 20 60 mV Dropout Voltage VDROP —— 1.6 V Current Limit ILIMIT —— 150 mA NO 10Hz ≤ f ≤ 100kHz 40 µV PSRR f = 120Hz, 8.0V ≤ VIN ≤ 15V 62 dB IPK —— 150 mA ∆VOUT /∆T IOUT = 5mA 0.65 mV/ºC VIN(Min) —— 6.7 Output Noise Voltage Ripple Rejection Peak Output Current Average Temperature Coefficient of Output Voltage Minimum Value of Input Voltage 47 7 V Required to Maintain Line Regulation Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 5/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Typical Performance Characteristics VCC = 5.0V, TA = 25ºC, unless otherwise specified. Figure 4. Dropout Characteristics Figure 6. Quiescent Current vs. Junction Temperature Figure 8. Maximum Power Dissipation vs. Figure 5. Dropout Voltage vs. Junction Temperature Figure 7. Input Bias Current vs. Input Voltage Figure 9. Line Transient Response Ambient Temperature (SOIC-8 Package) Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 6/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Typical Performance Characteristics (Continued) Figure 10. Load Transient Response ■Typical Applications Circuit WD78L05 Figure 11. Typical Application of the WD78L05 Wade Semiconductor Co,LTD www.wadesemi.com Rev : V1.1 7/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Package Outline Dimensions TO-92 Wade Semiconductor Co,LTD www.wadesemi.com Unit: mm(inch) Rev : V1.1 8/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Package Outline Dimensions(Continued) SOIC-8 Wade Semiconductor Co,LTD www.wadesemi.com Unit: mm(inch) Rev : V1.1 9/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Package Outline Dimensions(Continued) SOT-223 Wade Semiconductor Co,LTD www.wadesemi.com Unit: mm(inch) Rev : V1.1 10/11 H266 WD78L05 3-TERMINAL POSITIVE LINEAR REGULATOR ■Package Outline Dimensions(Continued) SOT-89 Wade Semiconductor Co,LTD www.wadesemi.com Unit: mm(inch) Rev : V1.1 11/11 H266