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| SS6729 400mA Low-dropout Linear Voltage Regulator with Voltage Detector Function FEATURES Including MOSFET for VOUT1, LDO for VOUT2, voltage detector and shutdown control Low dropout voltage of 550mV (typ.) at 400mA output current (VOUT2) Guaranteed 700mA output current for VOUT1 and 400mA for VOUT2 Low ground current of 120A Output voltage accuracy of 2% for VOUT2 Current limit function Built-in voltage detector Shutdown control for VOUT1 and VOUT2 The voltage detector can be used to detect VCC. The detecting voltage of the voltage detector is from 3.0V to 4.6V in 0.1V steps, and the output (DOUT) of the VCC voltage detection has an adjustable delay time before indicating VCC. The user only needs to add one external capacitor to implement it. When Vcc is below the set detection voltage, DOUT is at logic-low. DESCRIPTION The SS6729 is a low dropout linear regulator with voltage detection function. It can be divided into four main functional blocks, including a MOSFET for VOUT1, an LDO for VOUT2, a voltage detector and two shutdown controls. APPLICATIONS Volyage Regulator for DVD-ROM and CD-ROM Drives Voltage Regulator for HDD and Floppy Drives Voltage Regulator for circuits with Stepping Motors or Servo Motors VOUT1 is controlled by the SD1 pin. When SD1 is logic-high, the internal MOSFET for VOUT1 is switched off, and vice versa. "% ! +$; &$ $+$ 3# ,$: , 3 $ 0 6*,2 # ,- # $ # ! +, ' ! !9!! $ ! & $ 6*,2 ! ; 4$ !' $ ! Rev.2.02 3/21/2004 www.SiliconStandard.com 1 of 8 SS6729 TYPICAL APPLICATION CIRCUIT SS6729 SS6729 SS6729 SS6729 ORDERING INFORMATION SS6729XXXX-CXXX PIN CONFIGURATION Top view Packing type TB: tubes (PDIP is only available in tubes) TR: tape and reel Package type N: plastic DIP S: small outline LDO output voltage 18: 1.8V : : 40: 4.0V ' '&( #$( $ '&6 #$6 $ $& Voltage detector voltage 30: 3.0V : : 46: 4.6V LDO output voltage and voltage detector are available on 0.1V increments Example: SS6729-3018CSTR $ 3.0V voltage detector, 1.8V LDO output voltage, in SO-8, shipped on tape and reel Rev.2.02 3/21/2004 www.SiliconStandard.com 2 of 8 SS6729 ABSOLUTE MAXIMUM RATINGS # 0 $5<; '!3!/ 0& (<;( !/06(<+ ( !/ (=4+ (>: (=4"5?(% 2 (>: ELECTRICAL CHARACTERISTICS %&'((& )( ! (# )- / (!"A5% 0/# 0/! += @B B @B+B @$ (TA = 25C, VIN = 5.0V, IOUT1 = IOUT2 = 400mA, SD1 = SD2 = low, unless otherwise specified) ( )*)* @ $+!'<* @ $+!'<& @&$ <;$ "A+% !' !' '* +% +, ', , -* ' + == > * ,$& x $2; & 5* 2 + + 5 6 & $; x +$ , + 2 ! !' s s )-. / $ / / "A,% (! "A5% A @+!' @&$ <;$ @@ $+!'<& !' ! ! !' Rev.2.02 3/21/2004 www.SiliconStandard.com 3 of 8 SS6729 ELECTRICAL CHARACTERISTICS (cont'd.) %&'((& ( )*)* @+ 5$5 @, @5 @& @+ "A&% ,$C5$5 @, @5 @& @+ C,$ @, @5 @& ,= @B B @B+B !' !' !' !' !' !' !' !' !' !' !' !' '* ,$& x $2; +$6 +% +& ,; &, , &, 6 * *; ;; + +,, ', , * 5 * 2 ; ! 5 -* 2 ++ +& $; x +$ , $6 01!2 /3 $ "% 1# : : x +$ #! (= + 5 !s A+D)3#$ A,D/!8!A!$ A5D(!!3#!$ A&D + !3!+$ Rev.2.02 3/21/2004 www.SiliconStandard.com 4 of 8 SS6729 TYPICAL PERFORMANCE CHARACTERISTICS &' ())#$ !" !#$ % !" # Rev.2.02 3/21/2004 www.SiliconStandard.com 5 of 8 SS6729 TYPICAL PERFORMANCE CHARACTERISTICS (cont'd.) &' ())#$ &' ()#$ &' ())#$ &' ()#$ # * + # .! '( . . /# , - +. /#01 # ). /#23 ! BLOCK DIAGRAM Rev.2.02 3/21/2004 www.SiliconStandard.com 6 of 8 SS6729 PIN DESCRIPTION =A+D ((0 ! # (!# =A,D 7+0 # !# =A5D +0 7+$ 3 $ =A6D )A0 =A*D ,0 =AD70 =A&D (0 ! # !3# ( 7,$ 3$ =A;D 7,0 5$5 Rev.2.02 3/21/2004 www.SiliconStandard.com 7 of 8 SS6729 PHYSICAL DIMENSIONS 8-lead plastic SO (units: mm) E . ' A +$5 $+ $55 $+2 &$; 5$; $; $& 'F +$* $, $+ $, $ &$ '+ . ( 1 +$,*"E=% 6$, +$,* 8 lead plastic DIP (units: mm) E . '+ A $5;+ ,$2, $5 $, 2$ + *$6, 6$ 2 G ,$2, 'F G &$26 $6 $56 + $+6 ;$,6 *$+, + $2, 5$;+ ', 3 ( + . ,$&"E=% Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of Silicon Standard Corporation or any third parties. Rev.2.02 3/21/2004 www.SiliconStandard.com 8 of 8 |
Price & Availability of SS6729-4619CNTB
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