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LTM4609 bảng dữ liệu(PDF) 4 Page - Linear Technology |
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LTM4609 bảng dữ liệu(HTML) 4 Page - Linear Technology |
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4 / 38 page  LTM4636-1 4 46361fa For more information www.linear.com/LTM4636-1 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Remote Sense Amplifier AV(VFB) VFB Differential Gain (Note 6) 1 V/V GBP VFB Path Gain Bandwidth Product (Note 5) 4 MHz General Control or Monitor Pins OVP ∆t OVP to OVP_TRIP OVP Response Time 500 ns Crowbar ∆t OVP to CROWBAR OVP Response Time to CROWBAR 500 ns OVP Delay OVP to OVER_TEMP OVP_TEMP to OVP_TEMP Response Time 8 µs OVP_Trip Sink OVP_TRIP Sink Current VCE ≤ 0.4V 15 mA OTP_Trip Sink OVER_TEMP Sink Current VCE ≤ 0.4V 15 mA Crowbar Source CROWBAR Source Current VCROWBAR ≥ 3.0V 15 mA OTP_SET Overtemperature Set Register 24.9 k OVP_SET Overvoltage Set Register 24.9 k ITMON Temperature Monitor Current, TJ = 25°C Into 24.9k Temperature Monitor Current, TJ = 150°C Into 24.9k 38 40.3 58 44 µA µA ITMON(SLOPE) Temperature Monitor Current Slope, RTMON = 24.9k 0.144 µA/°C VPGOOD PGOOD Trip Level VFB With Respect to Set Output VFB Ramping Negative VFB Ramping Positive –7.5 7.5 % % VPGL PGOOD Voltage Low IPGOOD = 2mA 0.2 0.4 V tPGOOD VPGOOD High-to-Low Delay 65 µs IPGOOD(OFF) PGOOD Leakage Current VPGOOD = 5V –2 2 µA VPG1(HYST) PGOOD Trip Level Hysteresis 2.5 % INTVCC Linear Regulator VINTVCC Internal VCC Voltage Source 6V < VIN < 15V 5.3 5.5 5.7 V VINTVCC Load Reg INTVCC Load Regulation ICC = 0mA to 10mA 0.5 % UVLO HYS Controller UVLO Hysteresis (Note 6) 0.5 V PVCC(UVLO) Drivers and Power MOSFETs UVLO PVCC Rising 3.5 3.8 4.1 V PVCC(HYS) PVCC UVLO Hysteresis 0.45 V PVCC Power Stage Bias 12V Input, PVCC Load = 50mA 5.0 V BIAS External Bias for OTP and OVP Function Range Operating 4 5.0 5.5 V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified internal operating temperature range (Note 2), otherwise specifications are at TA = 25°C. VIN = 12V, per the typical application in Figure 20. |
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