Datasheet LTM4636-1 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 40A μModule Regulator with Overvoltage/ Overtemperature Protection |
| Páginas / Página | 38 / 5 — The. denotes the specifications which apply over the specified internal |
| Formato / tamaño de archivo | PDF / 2.3 Mb |
| Idioma del documento | Inglés |
The. denotes the specifications which apply over the specified internal
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LTM4636-1 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. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Oscillator and Phase-Locked Loop
fOSC Oscillator Frequency RFREQ = 30.1kΩ 210 250 290 kHz VPHSMD = 0V RFREQ = 47.5kΩ 540 600 660 kHz RFREQ = 54.9kΩ 625 750 825 kHz RFREQ = 75.0kΩ 945 1.05 1.155 MHz Maximum Frequency l 1.2 MHz Minimum Frequency l 0.2 MHz IFREQ FREQ Pin Output Current VFREQ = 0.8V 19 20 21 µA RMODE/PLLIN MODE_PLLIN Input 250 kΩ Resistance VMODE/PLLIN PLLIN Input Threshold VMODE/PLLIN Rising 2 V VMODE/PLLIN Falling 1.2 V VCLKOUT Low Output Voltage Verified Levels 0.2 V High Output Voltage Measurements on CLKOUT 5.2 V PWM-CLKOUT PWM to Clockout Phase Delay VPHMODE = 0V 90 Deg VPHMODE = 1/4 INTVCC 90 Deg VPHMODE = Float 120 Deg VPHMODE = 3/4 INTVCC 60 Deg VPHMODE = INTVCC 180 Deg
PWM/PWMEN Outputs
PWM PWM Output High Voltage ILOAD = 500µA 5.0 V PWM Output Low Voltage ILOAD = –500µA 0.5 V
Temperature Diode
Diode VF Diode Forward Voltage I = 100µA, TEMP+ to TEMP– 0.598 V TC Temperature Coefficient l –2.0 mV/°C
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings range. Note that the maximum ambient temperature consistent with may cause permanent damage to the device. Exposure to any Absolute these specifications is determined by specific operating conditions in Maximum Rating condition for extended periods may affect device conjunction with board layout, the rated package thermal resistance and reliability and lifetime. other environmental factors.
Note 2:
The LTM4636-1 is tested under pulsed load conditions such that
Note 3:
The minimum on-time condition is specified for a peak-to-peak TJ ≈ TA. The LTM4636-1E is guaranteed to meet performance inductor ripple current of ~40% of IMAX Load. (See the Applications specifications over the 0°C to 125°C internal operating temperature Information section) range. Specifications over the full –40°C to 125°C internal operating
Note 4:
See output current derating curves for different VIN, VOUT and TA. temperature range are assured by design, characterization and correlation
Note 5:
Guaranteed by design. with statistical process controls. The LTM4636-1I is guaranteed to meet
Note 6:
100% tested at wafer level. specifications over the full –40°C to 125°C internal operating temperature 46361fa For more information www.linear.com/LTM4636-1 5
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. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Oscillator and Phase-Locked Loop
fOSC Oscillator Frequency RFREQ = 30.1kΩ 210 250 290 kHz VPHSMD = 0V RFREQ = 47.5kΩ 540 600 660 kHz RFREQ = 54.9kΩ 625 750 825 kHz RFREQ = 75.0kΩ 945 1.05 1.155 MHz Maximum Frequency l 1.2 MHz Minimum Frequency l 0.2 MHz IFREQ FREQ Pin Output Current VFREQ = 0.8V 19 20 21 µA RMODE/PLLIN MODE_PLLIN Input 250 kΩ Resistance VMODE/PLLIN PLLIN Input Threshold VMODE/PLLIN Rising 2 V VMODE/PLLIN Falling 1.2 V VCLKOUT Low Output Voltage Verified Levels 0.2 V High Output Voltage Measurements on CLKOUT 5.2 V PWM-CLKOUT PWM to Clockout Phase Delay VPHMODE = 0V 90 Deg VPHMODE = 1/4 INTVCC 90 Deg VPHMODE = Float 120 Deg VPHMODE = 3/4 INTVCC 60 Deg VPHMODE = INTVCC 180 Deg
PWM/PWMEN Outputs
PWM PWM Output High Voltage ILOAD = 500µA 5.0 V PWM Output Low Voltage ILOAD = –500µA 0.5 V
Temperature Diode
Diode VF Diode Forward Voltage I = 100µA, TEMP+ to TEMP– 0.598 V TC Temperature Coefficient l –2.0 mV/°C
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings range. Note that the maximum ambient temperature consistent with may cause permanent damage to the device. Exposure to any Absolute these specifications is determined by specific operating conditions in Maximum Rating condition for extended periods may affect device conjunction with board layout, the rated package thermal resistance and reliability and lifetime. other environmental factors.
Note 2:
The LTM4636-1 is tested under pulsed load conditions such that
Note 3:
The minimum on-time condition is specified for a peak-to-peak TJ ≈ TA. The LTM4636-1E is guaranteed to meet performance inductor ripple current of ~40% of IMAX Load. (See the Applications specifications over the 0°C to 125°C internal operating temperature Information section) range. Specifications over the full –40°C to 125°C internal operating
Note 4:
See output current derating curves for different VIN, VOUT and TA. temperature range are assured by design, characterization and correlation
Note 5:
Guaranteed by design. with statistical process controls. The LTM4636-1I is guaranteed to meet
Note 6:
100% tested at wafer level. specifications over the full –40°C to 125°C internal operating temperature 46361fa For more information www.linear.com/LTM4636-1 5