background image

2

dc1699af

DEMO MANUAL DC1699A

BLOCK DIAGRAMS

LT6108-1

LT6108-2

100Ω

OUTA

+

+

7

8

1

6

INC

5

V

+

dc1699a BD1

V

+

V

V

V

V

V

+

3k

V

+

3k

SENSEHI

LT6108-1

SENSELO

200nA

RESET

OVERCURRENT FLAG

2

EN/

RST

3

OUTC

34V

6V

ENABLE AND

RESET TIMING

V

4

400mV

REFERENCE

100Ω

OUTA

+

+

7

8

1

6

INC

5

V

+

dc1699a BD2

V

+

V

V

V

V

V

+

3k

V

+

3k

SENSEHI

LT6108-2

SENSELO

100nA

OVERCURRENT FLAG

2

EN

3

OUTC

34V

6V

V

4

400mV

REFERENCE

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Summary of Contents for DC1699A

Page 1: ...set at 25V V and the comparator is set to trip at a current threshold of 500mA The key performance specifications are listed in the table below Design files for this circuit board are available at http www linear com demo TA 25 C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input Supply Range 2 7 60 V VIOUT Measured Output Signal ILOAD 100mA 250 mV IOUT Output Load Current Range Thermal Limit...

Page 2: ...3k SENSEHI LT6108 1 SENSELO 200nA RESET OVERCURRENT FLAG 2 EN RST 3 OUTC 34V 6V ENABLE AND RESET TIMING V 4 400mV REFERENCE 100Ω OUTA 7 8 1 6 INC 5 V dc1699a BD2 V V V V V V 3k V 3k SENSEHI LT6108 2 SENSELO 100nA OVERCURRENT FLAG 2 EN 3 OUTC 34V 6V V 4 400mV REFERENCE Downloaded from Arrow com Downloaded from Arrow com ...

Page 3: ...OUT terminal posi tive and ground The load may be a power resistor active load instrument or a circuit of interest 4 Turn on the power supply If using the DC1699A A the comparator starts in an unknown state and must be reset This can be done by pressing the reset but ton With the load shown in Figure 2 the comparator outputs should be high 5 Measure the output voltage and confirm it corresponds to...

Page 4: ...n manual mode the user must press the reset button to trigger the LTC6993 to send the 5μs pulse that resets the latching comparators In auto mode the LTC6991 will continuously reset the comparators every 10 seconds The factory default setting is manual mode Optional Settings 1 For supply voltages below 3 3V remove R15 and install R16 0Ω jumper When R16 is installed the supply voltage must stay bet...

Page 5: ...7FKED 14 1 R11 Resistor 0 1Ω 1 2512 2W IRC LR2512LF 01 R100 F 15 0 R14 OPTIONAL 16 2 R15 R17 Resistor 0Ω 0603 1 16W VISHAY CRCW06030000Z0EA 17 1 U2 IC LT3010EMS8E PBF Linear Technology Corp LT3010EMS8E PBF DC1699A A 1 1 DC1699A GENERAL BOM DC1699A 2 1 C4 Capacitor 0 1μF 20 0402 10V X5R TDK C1005X5R1A104M 3 1 JP1 HEADER 3 PIN SAMTEC TSW 103 07 L S 4 1 JP1 SHUNT SAMTEC SNT 100 BK G 5 1 R4 Resistor 1...

Page 6: ...FORT LTC CONFIDENTIAL FOR TITLE SCHEMATIC IC NO REV 1 APPROVALS CL CUYLER L PCB DES APP ENG DEMO CIRCUIT 1699A WWW LINEAR COM DATE SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS THIS CIRCUIT IS PROPRIETARY TO USE WITH LINEAR TECHNOLOGY PART...

Page 7: ... PH 408 432 1900 LTC CONFIDENTIAL FOR TITLE SCHEMATIC IC NO REV 1 APPROVALS CL CUYLER L PCB DES APP ENG DEMO CIRCUIT 1699A WWW LINEAR COM DATE SIZE N A SCALE NONE CUSTOMER USE ONLY COMPONENTS ARE OPTIONAL ON DC1699A B ASSEMBLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTIT...

Page 8: ...INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all approp...

Reviews: