TDA8136 DUAL 12V REGULATOR WITH DISABLE .. . . . .. . OUTPUT CURRENTS UP TO 600mA FIXED PRECISION OUTPUT 1 VOLTAGE 12V ± 2% FIXED PRECISION OUTPUT 2 VOLTAGE 12V ± 2% OUTPUT 2 VOLTAGE DISABLED BY A TTL INPUT SHORT CIRCUIT PROTECTION AT BOTH OUTPUTS THERMAL PROTECTION LOW DROP OUT 1.5V AT 400mA HIGH SUPPLY VOLTAGE REJECTION HEPTAWATT (Plastic Package) DESCRIPTION ORDER CODE : TDA8136 The TDA8136 is a monolithic dual positive voltage regulator designedto provide fixed precision output voltages, both 12V at currents up to 600mA. Output 2 can be disabled by a TTL input. Both output currents are limited by an internal short circuit protection. PIN CONNECTIONS 7 6 5 4 3 2 1 OUTPUT 1 OUTPUT 2 N.C. GROUND DISABLE INPUT 2 INPUT 1 8136-01.EPS Tab connected to Pin 4 September 1993 1/5 TDA8136 BLOCK DIAGRAM VIN1 1 REGULATOR 1 7 VO1 6 VO2 5 N.C. REFERENCE VOLTAGE VIN2 2 REGULATOR 2 THERMAL PROTECTION 8136-02.EPS DISABLE 3 4 GROUND ABSOLUTE MAXIMUM RATINGS Parameter Value Unit DC Input Voltages 24 V VDIS Disable Input Voltage Pin 3 24 V IO1, Output Currents Internally Limited Power Dissipation Internally Limited VIN1, 2 2 Pt TSTG Storage Temperature – 65 to + 150 °C Tj Junction Temperature 0 to + 150 °C Value Unit 3 °C/W 8136-01.TBL Symbol Symbol RTH(j-c) Parameter Thermal Resistance Junction-case Max. 8136-02.TBL THERMAL DATA Symbol Min. Typ. Max. Unit VO1 Output Voltage at Pin 7 Parameter Test Conditions 11.76 12 12.24 V VO2 Output Voltage at Pin 6 11.76 12 12.24 V IQ1 Quiescent Current VIN2 = 0, VDIS = 0 IO1 = 10mA, (see fig. 1) 2 mA IQ2 Quiescent Current IO2 = 10mA (see fig. 1) 2 mA VIN1-VO1 Drop Out Voltage 1 IO1 = 400mA 1.5 V VIN2-VO2 Drop Out Voltage 2 IO2 = 400mA 1.5 V ∆VO1LI Line Regulation 1 14V < VIN1 <18V, IO1 = 200mA 120 mV ∆VO2LI Line Regulation 2 14V < VIN2 <18V, IO2 = 200mA 120 mV ∆VO1LO Load Regulation 1 0 < IO1 <600mA 240 mV ∆VO2LO Load Regulation 2 0 < IO2 <600mA 240 mV 2/5 8136-03.TBL ELECTRICAL CHARACTERISTICS (VIN1,2 = 14V ; VDIS = 2.5V ; IO1,2 = 0 ; Tj = 25oC unless otherwise specified) TDA8136 ELECTRICAL CHARACTERISTICS (continued) (VIN1,2 = 14V ; VDIS = 2.5V ; IO1,2 = 0 ; Tj = 25oC unless otherwise specified) Parameter Test Conditions Min. Typ. Max. Unit IO1SC Short Circuit Current 1 14V < VIN1 <18V 1.3 A IO2SC Short Circuit Current 2 14V < VIN2 <18V 1.3 A VDISH Disable Voltage HIGH at Pin 3 VDISL Disable Voltage LOW at Pin 3 IDISH Bias Current at Pin 3 VDIS = 5.3V IDISL Bias Current at Pin 3 VDIS = 0.4V –80 µA SVR 1 Supply Voltage Rejection 1 (see note 1) VIN1 = 16VDC + 1VPP SIN f = 120Hz, IO1 = 200mA 50 dB SVR 2 Supply Voltage Rejection2 (see note 1) VIN2 = 16VDC + 1VPP SIN f = 120Hz, IO2 = 200mA 50 dB Quiescent Current VIN1 = VIN2 =14VDC IO1 = IO2 =200mA (see fig. 1) IQ TJSD Note 1 : 2 V 0.8 V 10 µA 6 Thermal Shut-down Junction Temperature 145 mA °C 8136-04.TBL Symbol SVR supply voltage rejection : VIN ac 20 ⋅ LOG ⋅ VO ac where : VIN ac is the value of the sinusoidal signal forced at the input. (120Hz, 1VPP) VO ac is the peak-peak ripple voltage present at the output Figure 1 : Test Circuit 1 7 REGULATOR 1 10µF VIN1 I 01 10µF R01 V 01 REFERENCE VOLTAGE 2 6 REGULATOR 2 10µF VIN2 I 02 R02 10µF V 02 THERMAL PROTECTION I DIS 3 5 VDIS 8136-03.EPS 4 IQ G 3/5 TDA8136 CIRCUIT DESCRIPTION The TDA8136 is a dual voltage regulator with disable. The two regulation parts are supplied from one vol-tage reference circuit, trimmed by zener zap during EWS test. Since the supply voltage of this last is connected at Pin 1 (VIN1), the regulator 2 will not work if the Pin 1 is not supplied. It is possible to switch-off the output voltage 2 (VO2) by appling at Pin 3 (disable input) a low TTL level. TYPICAL APPLICATION VIN1 1 7 V01 6 V02 TDA8136 2 4 C1 C2 C1 to C4 = 10µF 4/5 3 C3 DISABLE C4 8136-04.EPS VIN2 TDA8136 PACKAGE MECHANICAL DATA 9 PINS - PLASTIC HEPTAWATT E L D1 C D M A M1 L1 L2 L5 G2 G1 H3 G L3 F PM-HEPTV.EPS L7 H2 F1 Dia. L6 A C D D1 E F F1 G G1 G2 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 Dia. Min. Millimeters Typ. 2.4 1.2 0.35 0.6 2.41 4.91 7.49 2.54 5.08 7.62 10.05 Max. 4.8 1.37 2.8 1.35 0.55 08 0.9 2.67 5.21 7.8 10.4 10.4 Min. 0.094 0.047 0.014 0.024 0.095 0.193 0.295 Max. 0.189 0.054 0.110 0.053 0.022 0.031 0.035 0.105 0.205 0.307 0.409 0.409 0.668 0.587 0.848 0.891 3 15.8 6.6 0.102 0.594 0.236 2.8 5.08 3.65 0.100 0.200 0.300 0.396 16.97 14.92 21.54 22.62 2.6 15.1 6 Inches Typ. 0.118 0.622 0.260 0.110 0.200 3.85 0.144 HEPTV.TBL Dimensions 0.152 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 5/5