SE78JXX-HF

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Document overview

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Technical content

Features

 Output Current up to 1A  Fixed Output Voltages of 5V, 9Vand 12V  Output Voltage Accuracy of ±4% over the Full Temperature Range  Internal Short Circuit Current Limiting  Internal Thermal Overload Protection  Output Transistor Safe-area Protection  Low Load Regulation  Stable Performance in High Temperature

Applications

 Intelligent Ammeter  Power Management for Computer Mother Board  LCD Monitor and LCD TV  Post Regulators for Switching Supplies

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 3 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator Pin Configuration TO252 TO220 Pin Description NO. Pin Name Pin Function Description

1 IN Voltage Input

2 GND Ground

3 OUT Voltage Output

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 4 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator

Ordering Information

Part Number Marking In formation Package Remarks SE78QXX-LF SE78XX YYWW-LF TO220 XX means Output Voltage YYWW means Production batch LF means Lead Free SE78JXX-LF SE78XX YYWW-LF TO252 SE78QXX-HF SE78XX YYWW-HF TO220 XX means Output Voltage YYWW means Production batch HF means Halogen Free SE78JXX-HF SE78XX YYWW-HF TO252 Absolute Maximum Ratings Symbol Parameter Maximum Units VIN Input Voltage 36 V TLEAD Lead Temperature (Soldering, 10sec) 260 ℃ PD Power Dissipation In ternal Limited W TJ Operating Junction Temperature 150 ℃ TSTG Storage Temperature Range -65~+150 ℃ θJC Thermal Resistance -Junction to Case TO220 5 ℃/W TO252 10 θJA Thermal Resistance -Junction to Ambient TO220 45 ℃/W TO252 55 Note:Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied.

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 5 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator

Electrical Characteristics

（Vcc=10V ;Iout=1A ； Tj=25 ℃ unless otherwise specified） Parameter Symbol Test Conditions Min Typ Max Unit Output Voltage VOUT Tj =25°C 4.9 5 5.1 V IOUT=5mA to 1A, VIN=7.5V to 20V,PD≤15W 4.8 5.2 Line Regulation VRLINE VIN=7.5V to 20V, IOUT=500mA, TJ=25°C 25 50 mV Load Regulation VRLOAD VIN=10V, IOUT=5mA to 1A, TJ=25°C 20 50 Quiescent Current Iq V IN=10V, IOUT=0 3.2 6 mA Quiescent Current Change ∆Iq VIN=8V to 25V, IOUT=500mA, TJ=25°C 0.3 0.8 mA IOUT=5mA to 1A, TJ=25°C 0.08 0.5 mA Ripple Rejection PSRR VIN=8V to 18V, f=120Hz, IOUT=500mA 70 dB Dropout Voltage VDROP ∆VOUT=1%, IOUT=1A, TJ=25°C 2 V Output Noise Voltage NOUT f=10Hz to 100kHz, T A=25°C 10 uV/Vo Output Resistance ROUT f=1KHz 10 m Ω Short Circuit Current ISC V IN=35V, TA=25°C 0.05 A Peak Output Current IPK V IN=10V, TJ=25°C 2.2 A Temperature Coefficient of Output Voltage ∆VOUT/ ∆T 0.4 mV/℃ (∆VOUT/VOUT)/∆T 80 ppm/ ℃ Note1: Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature aspossible, and thermal effects must be taken into account separately. Note2: This specification applies only for DC power dissipation permitted by absolute maximum ratings.

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 6 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator Electrical Characteristics(Continue) （Vcc=15V ;Iout=1A ； Tj=25 ℃ unless otherwise specified） Parameter Symbol Test Conditions Min Typ Max Unit Output Voltage VOUT Tj =25°C 8.82 9 9.18 V IOUT=5mA to 1A, VIN=11.5V to 23V,PD≤15W 8.65 9.35 Line Regulation VRLINE VIN=11.5V to 23V, IOUT=500mA, TJ=25°C 25 90 mV Load Regulation VRLOAD VIN=14V, IOUT=5mA to 1A, TJ=25°C 25 100 Quiescent Current Iq V IN=15V, IOUT=0 3.2 6 mA Quiescent Current Change ∆Iq VIN=11.5V to 23V, IOUT=500mA, TJ=25°C 0.3 0.8 mA IOUT=5mA to 1A, TJ=25°C 0.08 0.5 mA Ripple Rejection PSRR VIN=11.5V to 21.5V, f=120Hz, IOUT=500mA 61 dB Dropout Voltage VDROP ∆VOUT=1%, IOUT=1A, TJ=25°C 2 V Output Noise Voltage NOUT f=10Hz to 100kHz, T A=25°C 10 uV/Vo Output Resistance ROUT f=1KHz 10 m Ω Short Circuit Current ISC V IN=35V, TA=25°C 0.2 A Peak Output Current IPK V IN=15V, TJ=25°C 2.2 A Temperature Coefficient of Output Voltage ∆VOUT/ ∆T 0.72 mV/℃ (∆VOUT/VOUT)/∆T 80 ppm/ ℃ Note1:Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible, and thermal effects must be taken into account separately. Note2: This specification applies only for DC power dissipation permitted by absolute maximum ratings.

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 7 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator Electrical Characteristics(Continue) （Vcc=19V ;Iout=1A ； Tj=25 ℃ unless otherwise specified） Parameter Symbol Test Conditions Min Typ Max Unit Output Voltage VOUT Tj =25°C 11.75 12 12.25 V IOUT=5mA to 1A, VIN=14.8V to 27V,PD≤15W 11.5 12.5 Line Regulation VRLINE VIN=14.8V to 27V, IOUT=500mA, TJ=25°C 25 120 mV Load Regulation VRLOAD VIN=19V, IOUT=5mA to 1A, TJ=25°C 40 120 Quiescent Current Iq V IN=19V, IOUT=0 3.4 6 mA Quiescent Current Change ∆Iq VIN=14.8V to 30V, IOUT=500mA, TJ=25°C 0.3 0.8 mA IOUT=5mA to 1A, TJ=25°C 0.08 0.5 mA Ripple Rejection PSRR VIN=15V to 25V, f=120Hz, IOUT=500mA 60 dB Dropout Voltage VDROP ∆VOUT=1%, IOUT=1A, TJ=25°C 2 V Output Noise Voltage NOUT f=10Hz to 100kHz, T A=25°C 10 uV/Vo Output Resistance ROUT f=1KHz 11 m Ω Short Circuit Current ISC V IN=35V, TA=25°C 0.2 A Peak Output Current IPK V IN=18V, TJ=25°C 2.2 A Temperature Coefficient of Output Voltage ∆VOUT/ ∆T 0.96 mV/℃ (∆VOUT/VOUT)/∆T 80 ppm/ ℃ Note1:Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible, and thermal effects must be taken into account separately. Note2: This specification applies only for DC power dissipation permitted by absolute maximum ratings

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 8 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator Typical Performance Characteristics Peak Output Current vs Input/Output Differential Voltage Output Voltage vs Junction Temperature Output Voltage vs Output Current Output Voltage vs Input Voltage Quiescent Current vs Junction Temperature Ripple Rejection vs Frequency

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 9 9/4/2012 SE78XX 1A 3-Terminal Positive Voltage Regulator Typical Performance Characteristics(Continue) Dropout Voltage vs Junction Temperature Power Dissipation vs Junction Temperature Line Transient (Conditions: IOUT=500mA, COUT=0.1μF) Load Transient (Conditions: CIN=0.33μF, COUT=0.1μF)

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 1 0 9 / 4 / 2 0 1 2 SE78XX 1A 3-Terminal Positive Voltage Regulator Outline Drawing For SE78XX (1)TO252

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 1 1 9 / 4 / 2 0 1 2 SE78XX 1A 3-Terminal Positive Voltage Regulator (2)TO220

Rev1.0 Preliminary and all contents are subject to change without prior notice. © Seaward Electronics, Inc., • www.seawardinc.com • Page 1 2 9 / 4 / 2 0 1 2 SE78XX 1A 3-Terminal Positive Voltage Regulator 联系方式： 北京思旺电子技术有限公司–中国总部 地址：中国北京市海淀区信息路22 号上地科技综合楼B 座二层 邮编：100085 电话:010-82895700/1/5 传真:010-82895706 Seaward Electronics Corporation – 台湾办事处 2F, #181, Sec. 3, Minquan East Rd, Taipei, Taiwan R.O.C 电话: 886-2-2712-0307 传真: 886-2-2712-0191 Seaward Electronics Incorporated – 北美办事处 1512 Centre Pointe Dr. Milpitas, CA95035, USA 电话: 1-408-821-6600