LTC1326CS8 Linear Technology, LTC1326CS8 Datasheet
LTC1326CS8
Specifications of LTC1326CS8
Available stocks
Related parts for LTC1326CS8
LTC1326CS8 Summary of contents
Page 1
... Both SRST and RST outputs are open-drain and can be OR-tied with other reset sources. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 4843302. ...
Page 2
... Lead Temperature (Soldering, 10 sec)................. 300° PBR 7 SRST 6 RST 5 RST ORDER PART NUMBER LTBA LTC1326CS8 LTUH LTC1326IS8 8 PBR 7 SRST 6 RST 5 RST ORDER PART NUMBER LTEK LTC1326CS8-2.5 LTUJ LTC1326IS8-2.5 TOP VIEW PBR CC3 SRST CC5 RST CCA GND 4 5 RST S8 PACKAGE 8-LEAD PLASTIC SO = 125°C, θ ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are 25°C unless otherwise noted. CCA CC3 A SYMBOL PARAMETER V Reset Threshold V RT3 CC3 V Reset Threshold V (LTC1326) RT5 CC5 (LTC1326-2.5) 0°C ≤ ...
Page 4
LTC1326/LTC1326-2.5 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T otherwise noted. SYMBOL PARAMETER V RST Output Voltage High (Note 3) OH SRST Output Voltage High (Note 3) RST Output Voltage High t Prop Delay RST to RST PHL High ...
Page 5
W U TYPICAL PERFOR A CE CHARACTERISTICS V Input Current vs Input Voltage CCA 25° – 1 – 2 – 3 0.8 0.85 0.9 0.95 1.0 1.05 1.1 1.15 1.2 INPUT VOLTAGE (V) ...
Page 6
LTC1326/LTC1326-2 TYPICAL PERFOR A CE CHARACTERISTICS Reset Pulse Width vs Temperature 225 220 215 210 205 200 195 190 80 – 60 – 40 – TEMPERATURE (°C) 1326/2.5 G13 PIN ...
Page 7
W BLOCK DIAGRA S V CC3 7µA PBR 8 TO POWER DETECT V 2 CC5 V CC3 INTERNAL V 1 CC3 V 3 CCA GND 4 V CC3 7µA PBR CC25 V CC3 INTERNAL V 1 CC3 ...
Page 8
LTC1326/LTC1326-2 DIAGRA S V Monitor Timing CC V RTX V CCX RST U U APPLICATIO S I FOR ATIO Operation The LTC1326/LTC1326-2.5 are micropower, high accu- racy triple supply monitoring circuits. The parts have ...
Page 9
U U APPLICATIO S I FOR ATIO During a supply induced reset condition, the ability of the PBR pin to force a soft reset condition on the SRST pin is disabled. In other words SRST will remain high. If the ...
Page 10
LTC1326/LTC1326-2 APPLICATIO S I FOR ATIO Figure 3 contains a simple circuit for 5V systems that can’t risk the RST output going high in the 3.1V to 4.15V range (possibly due to very slow rise time on the ...
Page 11
U TYPICAL APPLICATIONS ADJUSTABLE SUPPLY OR DC/DC FEEDBACK ADJUSTABLE N Triple Supply Monitor (3.3V, 5V and Adjustable) LTC1326 1 3.3V V PBR CC3 SRST CC5 RST CCA 4 DIVIDER R2 GND RST Dual Supply ...
Page 12
LTC1326/LTC1326-2.5 U TYPICAL APPLICATIONS SRST Tied to RST and OR-Tying Other Sources to RST to THRESHOLD 2.74V Using the Short Pulse Width, Push-Button Soft Reset Feature 12 N Generate Reset and Reset PUSHBUTTON LTC1326/ 8 LTC1326-2.5 PBR 3.3V 4.7k 6µA ...
Page 13
U TYPICAL APPLICATIONS 3.3V 5V 2N3906 2N3904 –5V 3.3V LTC1326-2 PBR CC3 2 2.5V V SRST CC25 R1 3 ADJUSTABLE V RST CCA SUPPLY 4 R2 GND RST N Monitoring a Negative Supply LTC1326 C1 0.1µ ...
Page 14
LTC1326/LTC1326-2.5 PACKAGE DESCRIPTIO 5.23 (.206) MIN 0.42 ± 0.038 (.0165 ± .0015) TYP RECOMMENDED SOLDER PAD LAYOUT 0.254 (.010) GAUGE PLANE 0.18 (.007) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, ...
Page 15
... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 16
... Adjustable Tolerance and Reset Timer, 8-Lead SOT-23 Package 8-Lead SOT-23 and DDB Packages www.linear-tech.com 10k TO 3.3V SYSTEM RESET TO 5V SYSTEM RESET Q1 2N7002 1326/2.5 TA14 Timing Specifications FAIL Pin, RST/RST Outputs/Adjustable Reset Timer CC LT 1006 REV C • PRINTED IN THE USA © LINEAR TECHNOLOGY CORPORATION 2006 132625fc ...