MCP1755S

The MCP1755/MCP1755S is a 16 volt, high PSRR voltage regulator with short circuit current foldback. The MCP1755/MCP1755S regulator provides up to 300 mA of current. The input operating voltage range is specified from 3.6V to 16V continuous, 18V absolute maximum, making it ideal for automotive and commercial 12 VDC systems. The MCP1755/ MCP1755S typically delivers 70 dB of ripple rejection at 1 kHz, making the device ideal for AC sensitive applications like GFCI and AFCI circuit breaker designs. The Current Foldback feature is a true short circuit current foldback. The device current will fall back towards 10 mA under short circuit conditions. When the short is removed, the device will recover and continue operating.

Features
  • High PSRR: >70 dB @ 1 kHz typical
  • 68.0 µA Typical Quiescent Current
  • Input Operating Voltage Range: 3.6V to16.0V
  • 300 mA Output Current for all output voltages
  • Low Dropout Voltage, 300 mV typical @ 300 mA
  • 0.85% Typical Output Voltage Tolerance
  • Standard Output Voltage Options (1.8V, 2.5V, 3.0V, 3.3V, 5.0V)
  • Output voltage range 1.8V to 5.5V in 0.1Vincrements
  • Output Voltage Tolerances of ±2.0% over entiretemperature range
  • Stable with minimum 1.0 µF output capacitance
  • Power Good Output
  • Shutdown Input
  • True Current Foldback Protection
  • Short-Circuit Protection
  • Overtemperature Protection
Parameter
Parameter Name Value Value
Product Type Single LDOs Single LDOs
# of Out 1 1
IOUT #1
IOUT #2
IOUT #3
IOUT #4
IOUT (mA) 300 300
VIN Min (V) 3.6 3.6
VIN Max (V) 16 16
VOUT (V)
Voltage Drop Typ (mV) 300 300
IGND Typ (µA) 68 68
Tol Typ % ±0.5 ±0.5
PSRR 1 kHz (dB) 80 80
Soft Start Pin
Load Dump
Rev Bat
Reverse Current Protect
Documents
MCP1755/1755S 300 mA, 16V, High-Performance LDOData Sheets12/21/20122251KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP1755S-1802E/MC8DFN-40C to +125CTUBE0.660.560.510.490.49
MCP1755S-3002E/DB3SOT-223-40C to +125CTUBE0.660.560.510.490.49
MCP1755S-3002E/MC8DFN-40C to +125CTUBE0.570.480.450.440.43
MCP1755S-3302E/DB3SOT-223-40C to +125CTUBE0.660.560.510.490.49
MCP1755S-3302E/MC8DFN-40C to +125CTUBE0.570.480.450.440.43
MCP1755S-5002E/DB3SOT-223-40C to +125CTUBE0.660.560.510.490.49
MCP1755S-5002E/MC8DFN-40C to +125CTUBE0.570.480.450.440.43
MCP1755ST-1802E/DB3SOT-223-40C to +125CT/R0.660.560.510.490.49
MCP1755ST-1802E/MC8DFN-40C to +125CT/R0.570.480.450.440.43
MCP1755ST-3002E/DB3SOT-223-40C to +125CT/R0.680.580.530.510.51
MCP1755ST-3002E/MC8DFN-40C to +125CT/R0.570.480.450.440.43
MCP1755ST-3302E/DB3SOT-223-40C to +125CT/R0.680.580.530.510.51
MCP1755ST-3302E/MC8DFN-40C to +125CT/R0.570.480.450.440.43
MCP1755ST-5002E/DB3SOT-223-40C to +125CT/R0.660.560.510.490.49
MCP1755ST-5002E/MC8DFN-40C to +125CT/R0.570.480.450.440.43
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP1755S-1802E/DB0.1157000.2179493SOT-223-Matte Tine3
MCP1755ST-1802E/DB0.1157000.2192503SOT-223-Matte Tine3
MCP1755ST-3302E/DB0.1157000.2192503SOT-223-Matte Tine3
MCP1755S-3302E/DB0.1157000.2179493SOT-223-Matte Tine3
MCP1755ST-5002E/DB0.1157000.2192503SOT-223-Matte Tine3
MCP1755S-5002E/DB0.1157000.2179493SOT-223-Matte Tine3
MCP1755S-3002E/DB0.1157000.2179493SOT-223-Matte Tine3
MCP1755ST-3002E/DB0.1157000.2192503SOT-223-Matte Tine3
MCP1755S-5002E/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1755S-1802E/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1755S-3302E/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1755ST-1802E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1755ST-5002E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1755ST-3302E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1755S-3002E/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1755ST-3002E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1755/1755S 300 mA, 16V, High-Performance LDO MCP1755S
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