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LTC1174CN8-5 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1174CN8-5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 20 page 3 LTC1174 LTC1174-3.3/LTC1174-5 1174fe SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Output Voltage Load Regulation LTC1174-3.3 (Note 3) 20mA < ILOAD < 175mA, IPGM = 0V –5 –70 mV 20mA < ILOAD < 400mA, IPGM = VIN –45 –70 mV LTC1174-5 (Note 3) 20mA < ILOAD < 175mA, IPGM = 0V –5 –70 mV 20mA < ILOAD < 400mA, IPGM = VIN –50 –70 mV IQ Input DC Supply Current (Note 4) Active Mode LTC1174: 4V < VIN < 12V, IPGM = 0V 450 600 µA LTC1174HV: 4V < VIN < 16V, IPGM = 0V 450 600 µA Sleep Mode LTC1174: 4V < VIN < 12V 130 180 µA LTC1174HV: 4V < VIN < 16V 130 180 µA SHUTDOWN (Note 4) LTC1174: VSHUTDOWN = 0V, 4V < VIN < 12V 1 10 µA LTC1174HV: VSHUTDOWN = 0V, 4V < VIN < 16V 2 25 µA VLBTRIP Low-Battery Trip Point 1.25 1.4 V ILBIN Current into Pin 3 0.5 µA ILBOUT Current Sunk by Pin 2 LTC1174: VLBOUT = 0.4V 1.0 1.2 1.5 mA LTC1174HV: VLBOUT = 0.4V 0.6 0.8 1.5 mA VHYST Comparator Hysteresis LTC1174/LTC1174HV 7.5 15 30 mV IPEAK Current Limit IPGM = VIN, VOUT = 0V ● 0.54 0.60 0.83 A IPGM = 0V, VOUT = 0V ● 0.27 0.34 0.53 A RON ON Resistance of Switch LTC1174 ● 0.75 1.30 Ω LTC1174HV ● 0.90 1.55 Ω tOFF Switch Off-Time (Note 6) VOUT at Regulated Value 3 4 5 µs VIH SHUTDOWN Pin High Minimum Voltage at Pin 8 for Device to Be Active 1.2 V VIL SHUTDOWN Pin Low Maximum Voltage at Pin 8 for Device to Be in Shutdown 0.75 V IIH SHUTDOWN Pin Input Current LTC1174: VSHUTDOWN = 12V 0.5 µA LTC1174HV: VSHUTDOWN = 16V 2.0 µA IIL SHUTDOWN Pin Input Current 0 ≤ VSHUTDOWN ≤ 0.8V 0.5 µA The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 9V, VSHUTDOWN = VIN, IPGM = 0V, unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VFB Feedback Voltage LTC1174I/LTC1174HVI ● 1.18 1.25 1.31 V ILBOUT Current Sunk by Pin 2 VLBOUT = 0.4V (LTC1174I) ● 0.75 1.2 2.0 mA VLBOUT = 0.4V (LTC1174HVI) ● 0.50 0.8 1.6 mA IPEAK Current Limit IPGM = VIN, VOUT = 0V (LTC1174I) ● 0.54 0.60 0.84 A IPGM = 0V, VOUT = 0V (LTC1174I) 0.34 A IPGM = VIN, VOUT = 0V (LTC1174HVI) ● 0.5 0.60 0.86 A IPGM = 0V, VOUT = 0V (LTC1174HVI) 0.34 A tOFF Switch Off-Time (Note 6) VOUT at Regulated Value (LTC1174I) ● 2.0 4 6.0 µs VOUT at Regulated Value (LTC1174HVI) ● 1.8 4 6.2 µs RON Switch On Resistance LTC1174I/LTC1174HVI ● 0.9 1.7 Ω Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at – 40 °C ≤ TA ≤ 85°C. LTC1174I and LTC1174HVI Only. Note 2: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formulas: LTC1174CN8, LTC1174CN8-3.3, LTC1174CN8-5: TJ = TA + (PD × 110°C/W) LTC1174CS8, LTC1174CS8-3.3, LTC1174CS8-5: TJ = TA + (PD × 150°C/W) |
Similar Part No. - LTC1174CN8-5 |
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Similar Description - LTC1174CN8-5 |
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