LTC2908CTS8-B1#TR Linear Technology, LTC2908CTS8-B1#TR Datasheet
![IC MON SIX SUPPLY PREC TSOT23-8](/photos/6/59/65931/tsot-23-8_05-08-1637_sml.jpg)
LTC2908CTS8-B1#TR
Specifications of LTC2908CTS8-B1#TR
Available stocks
Related parts for LTC2908CTS8-B1#TR
LTC2908CTS8-B1#TR Summary of contents
Page 1
... L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. *Patent pending. ...
Page 2
... LTC2908CDDB-C1#TRMPBF LTC2908CDDB-C1#TRPBF LTC2908IDDB-C1#TRMPBF LTC2908IDDB-C1#TRPBF LTC2908CTS8-A1#TRMPBF LTC2908CTS8-A1#TRPBF LTC2908ITS8-A1#TRMPBF LTC2908ITS8-A1#TRPBF LTC2908CTS8-B1#TRMPBF LTC2908CTS8-B1#TRPBF LTC2908ITS8-B1#TRMPBF LTC2908ITS8-B1#TRPBF LTC2908CTS8-C1#TRMPBF LTC2908CTS8-C1#TRPBF LTC2908ITS8-C1#TRMPBF LTC2908ITS8-C1#TRPBF TRM = 500 pieces. *Temperature grades are identifi label on the shipping container. Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on lead based fi nish parts. ...
Page 3
ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifi cations are T SYMBOL PARAMETER V 5V, 5% Reset Threshold RT50 V 3.3V, 5% Reset Threshold RT33 V 2.5V, 5% Reset Threshold RT25 V 1.8V, 5% Reset Threshold RT18 V ADJ, 5% Reset ...
Page 4
LTC2908 ELECTRICAL CHARACTERISTICS l The denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are T for the LT2908-A1 3.3V for the LTC2908- SYMBOL PARAMETER t Reset Time-Out Period RST ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted. A 1.8V Threshold Voltage vs Temperature 1.710 1.700 1.690 1.680 1.670 1.660 –50 – TEMPERATURE (°C) 2908 G04 I vs Temperature V1 33 ...
Page 6
LTC2908 TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted. A RST Output Voltage vs V1 with 10k Pull-Up Resistor (A1/B1 2.5V (A1)/V3 = 1.8V (B1 ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted. A RST Pull-Up Current vs Supply Voltage – (A1/B1 V1(C1 2.5V (A1)/V3 = 1.8V (B1) V4 ...
Page 8
LTC2908 PIN FUNCTIONS (TS8 Package/DDB8 Package) LTC2908-C1 V1 (Pin 1/Pin 4): Voltage Input the internal V The operating voltage on this pin shall not exceed 6V. When in normal operation, this pin draws approximately 22μA. Bypass this ...
Page 9
BLOCK DIAGRAMS V1 V ADJ1 V ADJ2 V ADJ3 V ADJ4 V ADJ5 GND TIMING DIAGRAM RST – – – – – – BANDGAP REFERENCE V Monitor Timing ...
Page 10
LTC2908 APPLICATIONS INFORMATION Supply Monitoring The LTC2908 is a low power, high accuracy, six input supply monitoring circuit with two adjustable inputs. The reset delay is set to a nominal of 200ms with an internal capacitor, eliminating the need for ...
Page 11
APPLICATIONS INFORMATION Adjustable Input The noninverting input on the V ADJ 0.5V. And the high impedance inverting input directly ties to the V pin. ADJ In a typical application, this pin connects to a tap point on an external resistive ...
Page 12
LTC2908 APPLICATIONS INFORMATION With this variation of reset threshold in mind, the nominal reset threshold of the supervisor resides below the minimum supply voltage; just enough so that the reset threshold band and the power supply tolerance bands do not ...
Page 13
APPLICATIONS INFORMATION RST Output Characteristics The DC characteristics of the RST pull-up and pull-down strength are shown in the Typical Performance Character- istics section. The RST output has a weak internal pull- Max(V1, V2) and a strong ...
Page 14
LTC2908 TYPICAL APPLICATIONS Quad Supply Monitor with One Adjustable Input, 5% Tolerance, 3.3V, 2.5V, 1.8V, 1.2V Pin Programmable Dual Supply Monitor with Possible Future Expansion up to Six Supplies, 5% Tolerance, 3.3V and 2.5V Six Supply Monitor, 5% Tolerance 12V, ...
Page 15
PACKAGE DESCRIPTION 0.61 ±0.05 (2 SIDES) 0.70 ±0.05 2.55 ±0.05 1.15 ±0.05 0.25 ± 0.05 0.50 BSC 2.20 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS NOTE: 1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229 2. ...
Page 16
LTC2908 PACKAGE DESCRIPTION 0.52 MAX 3.85 MAX 2.62 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 0.20 BSC DATUM ‘A’ 0.30 – 0.50 REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIVE OF ...
Page 17
... Revised Tape and Reel Part Numbers 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 18
... Tolerances, 8-Lead SOT-23 and DFN Packages 0.5V Adjustable Threshold, Reset and Three Supply Tolerances, 8-Lead SOT-23 and DFN Packages Shunt Regulated V Pin, Adjustable Threshold and CC Reset, 8-Lead SOT-23 and DFN Packages LT 0210 REV D • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2004 2908fd ...