LTC6103 Linear Integrated Systems, LTC6103 Datasheet
LTC6103
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LTC6103 Summary of contents
Page 1
... The fast response makes the LTC6103 the perfect choice for load current warnings and shutoff protection control. With very low supply current, the LTC6103 is suitable for power sensitive applications. The LTC6103 is available in an 8-lead MSOP package. ...
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... LTC6103C ............................................ –40°C to 85°C LTC6103I ............................................. –40°C to 85°C LTC6103H .......................................... –40°C to 125°C Specifi ed Temperature Range (Note 2) LTC6103C ................................................ 0°C to 70°C LTC6103I ............................................. –40°C to 85°C LTC6103H .......................................... –40°C to 125°C Storage Temperature Range ................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300° ...
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... QA sampled at these temperatures. LTC6103I is guaranteed to meet specifi ed performance from –40°C to 85°C. The LTC6103H is guaranteed to meet specifi ed performance from –40°C to 125°C. Note 3: This parameter is not tested in production and is guaranteed by the V test ...
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... LTC6103 TYPICAL PERFORMANCE CHARACTERISTICS V Maximum vs Temperature OUT 60V 12V –40 – 100 120 TEMPERATURE (°C) 6103 G04 Gain vs Frequency 1mA OUT 200µA OUT 25°C ...
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... OUT + + SENSE OUT C OUT = 100µA GAIN = OUTDC V INAC 0 0.1 6103 G16 LTC6103 Step Response Rising Edge – V SENSE ∆V – =100mV SENSE 5. OUT 100µA OUT 0. 0µA OUT 0V TIME (500ns/DIV) ...
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... Amplifi Must be tied to the system load end of the sense resistor. It also works as the positive supply for amplifi Supply current of amplifi drawn through this pin. The LTC6103 supply current is monitored along with the system load current. + ...
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... The low offset and corresponding large dynamic range of the LTC6103 make it more fl exible than other solutions should this respect. The 85µV typical offset gives 60dB of SENSE ...
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... LOAD SENSE LOAD R IN +IN –IN + – 1/2 OUT LTC6103 R OUT Figure 2. Kelvin Input Connection Preserves Accuracy Despite Large Load Current 8 For example OUT 1mA for V OUT R should be chosen to allow the required resolution IN while limiting the output current. At low supply voltage, I may be as much as 1mA ...
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... SENSE(LO) I LOAD 100mΩ V OUT Figure 3b. The LTC6103 Allows High-Low Current Ranging Care should be taken when designing the printed circuit board layout to minimize input trace resistance (to Pins and 8), especially for small R values. Trace resistance IN to the –IN terminals will increase the effective R causing a gain error ...
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... Output Error Due to PCB Trace Resistance OUT The LTC6103 uses the +IN pin for both the positive amplifi er input and the positive supply input for the amplifi er. The 10 supply current can cause an output error if trace resistance between R ...
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... Package/Order Information to fi nd the maximum expected , is limited to 1mA: die temperature. This must not be allowed to exceed 150°C or performance may be degraded example LTC6103 in the MS8 package run at 55V ±5V supply with 0.5mA output current in both amplifi ers at 80°C: P Q(MAX) ...
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... LTC6103 by effectively reducing the supply voltage to the part addition, if the output of the LTC6103 is wired to a device that will effectively short it to high voltage (such as through an ESD protection clamp) during a reverse sup- ply condition, the LTC6103’ ...
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... APPLICATIONS INFORMATION Voltage Translator Each amplifi the LTC6103 can be used as a high volt- age level translator circuit as shown in Figure 7. In this application, the LTC6103 translates a differential voltage signal riding on top of a high common mode voltage. V signals get converted to a current, through R ...
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... Supply Current Monitor with Isolated Output and 70V Survivability I V SENSE + SENSE – SENSE R IN –IN +IN – + – 1/2 LTC6103 OUT V LOGIC R OUT V OUT ANY OPTOISOLATOR – V 6103 TA07 N = OPTOISOLATOR CURRENT GAIN R SENSE • • N • R OUT LOGIC – ...
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... TYP 0.53 ± 0.152 1.10 (.021 ± .006) (.043) DETAIL “A” MAX SEATING PLANE 0.22 – 0.38 (.009 – .015) 0.65 TYP (.0256) BSC LTC6103 0.52 (.0205 REF 3.00 ± 0.102 (.118 ± .004) (NOTE 0.86 (.034) REF 0.127 ± 0.076 (.005 ± ...
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... – OUTA V OUTB LTC6103 – + *USE “SIGN-MAGNITUDE” PWM FOR ACCURATE LOAD CURRENT CONTROL AND MEASUREMENT COMMENTS V Extends 44V Above V CM Shutdown Function V Extends 44V Above V CM <250µA Supply Current per Amplifi er ± ...