Datasheet LTM4646 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Dual 10A or Single 20A μModule Regulator |
| Pages / Page | 36 / 5 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Revision | A |
| File Format / Size | PDF / 1.0 Mb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the specified internal
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link to page 28 link to page 2 LTM4646
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel. TA = 25°C, VIN = 12V and VRUN1, VRUN2 at 5V unless otherwise noted. Per the typical application in Figure 18. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSYNC Frequency SYNC Capture Range MODE_PLLIN Clock Duty Cycle = 50% 250 1300 kHz (Each Channel) VRNG ILIMIT SET Current Limit VRNG = INTVCC, IOUT to 10A, ILIMIT ~22A 20 A Per Channel VRNG = SGND, IOUT to 5A, ILIMIT ~11A 9 A tD(PGOOD) Delay from VFB Fault (OV/UV) to (Note 6) 50 μs PGOOD Falling tD(PGOOD) Delay from VFB Fault (OV/UV Clear) (Note 6) 20 μs to PGOOD VTEMP1, VTEMP2 TEMP Diode Voltage ITEMP = 100µA 0.598 V TC VTEMP1,2 VTEMP Temperature Coefficient –2.0 mV/°C
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Two outputs are tested separately and the same testing condition may cause permanent damage to the device. Exposure to any Absolute is applied to each output. Maximum Rating condition for extended periods may affect device
Note 4:
The switching frequency is programmable from 250kHz to 1.3MHz. reliability and lifetime.
Note 5:
LTM4646 device is optimized to operate from 300kHz to 750kHz.
Note 2:
The LTM4646 is tested under pulsed load conditions such
Note 6:
These parameters are tested at wafer sort. that TJ ≈ TA. The LTM4646E is guaranteed to meet specifications from 0°C to 125°C internal temperature. Specifications over the –40°C to
Note 7:
See output current derating curves for different VIN, VOUT and TA. 125°C internal operating temperature range are assured by design,
Note 8:
For 6V ≤ VIN ≤ 20V, the 3.3 to 5V output current needs to be characterization and correlation with statistical process controls. The limited to 9A/channel. All other input and output combinations are 10A/ LTM4646I is guaranteed over the full –40°C to 125°C internal operating channel with recommended switching frequency included in the efficiency temperature range. Note that the maximum ambient temperature graphs. Derating curves and airflow apply. consistent with these specifications is determined by specific operating conditions in conjunction with board layout, the rated package thermal impedance and other environmental factors. Rev. A For more information www.analog.com 5 Document Outline Operation Applications Information Package Description Package Photo Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified internal operating temperature range (Note 2). Specified as each individual output channel. TA = 25°C, VIN = 12V and VRUN1, VRUN2 at 5V unless otherwise noted. Per the typical application in Figure 18. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSYNC Frequency SYNC Capture Range MODE_PLLIN Clock Duty Cycle = 50% 250 1300 kHz (Each Channel) VRNG ILIMIT SET Current Limit VRNG = INTVCC, IOUT to 10A, ILIMIT ~22A 20 A Per Channel VRNG = SGND, IOUT to 5A, ILIMIT ~11A 9 A tD(PGOOD) Delay from VFB Fault (OV/UV) to (Note 6) 50 μs PGOOD Falling tD(PGOOD) Delay from VFB Fault (OV/UV Clear) (Note 6) 20 μs to PGOOD VTEMP1, VTEMP2 TEMP Diode Voltage ITEMP = 100µA 0.598 V TC VTEMP1,2 VTEMP Temperature Coefficient –2.0 mV/°C
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
Two outputs are tested separately and the same testing condition may cause permanent damage to the device. Exposure to any Absolute is applied to each output. Maximum Rating condition for extended periods may affect device
Note 4:
The switching frequency is programmable from 250kHz to 1.3MHz. reliability and lifetime.
Note 5:
LTM4646 device is optimized to operate from 300kHz to 750kHz.
Note 2:
The LTM4646 is tested under pulsed load conditions such
Note 6:
These parameters are tested at wafer sort. that TJ ≈ TA. The LTM4646E is guaranteed to meet specifications from 0°C to 125°C internal temperature. Specifications over the –40°C to
Note 7:
See output current derating curves for different VIN, VOUT and TA. 125°C internal operating temperature range are assured by design,
Note 8:
For 6V ≤ VIN ≤ 20V, the 3.3 to 5V output current needs to be characterization and correlation with statistical process controls. The limited to 9A/channel. All other input and output combinations are 10A/ LTM4646I is guaranteed over the full –40°C to 125°C internal operating channel with recommended switching frequency included in the efficiency temperature range. Note that the maximum ambient temperature graphs. Derating curves and airflow apply. consistent with these specifications is determined by specific operating conditions in conjunction with board layout, the rated package thermal impedance and other environmental factors. Rev. A For more information www.analog.com 5 Document Outline Operation Applications Information Package Description Package Photo Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts
