Datasheet LTM4601A, LTM4601A-1 (Analog Devices) - 4

LTM4601A/LTM4601A-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating temperature range (Note 2), otherwise specifications are at TA = 25°C, VIN = 12V, per typical application (front page) configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Remote Sense Amp (Note 3) (LTM4601A Only, Not Supported in the LTM4601A-1)
V + – OSNS , VOSNS Common Mode Input Voltage Range VIN = 12V, RUN > 2V 0 INTVCC – 1 V CM Range DIFFVOUT Range Output Voltage Range VIN = 12V, DIFFVOUT Load = 100k 0 INTVCC – 1 V VOS Input Offset Voltage Magnitude 1.25 mV AV Differential Gain 1 V/V GBP Gain-Bandwidth Product 3 MHz SR Slew Rate 2 V/µs R + IN Input Resistance VOSNS to GND 20 kΩ CMRR Common Mode Rejection Mode 100 dB
Control Stage
VFB Error Amplifier Input Voltage IOUT = 0A, VOUT = 1.5V l 0.594 0.6 0.606 V Accuracy VRUN RUN Pin On/Off Threshold 1 1.5 1.9 V ITRACK/SS Soft-Start Charging Current VTRACK/SS = 0V –1 –1.5 –2 µA tON(MIN) Minimum On-Time (Note 4) 50 100 ns tOFF(MIN) Minimum Off-Time (Note 4) 250 400 ns RPLLIN PLLIN Input Resistance 50 kΩ IDRVCC Current into DRVCC Pin VOUT = 1.5V, IOUT = 1A, DRVCC = 5V 18 25 mA RFBHI Resistor Between VOUT_LCL and VFB 60.098 60.4 60.702 kΩ VMPGM Margin Reference Voltage 1.18 V VMARG0, VMARG1 MARG0, MARG1 Voltage Thresholds 1.4 V
PGOOD Output
∆VFBH PGOOD Upper Threshold VFB Rising 7 10 13 % ∆VFBL PGOOD Lower Threshold VFB Falling –7 –10 –13 % ∆VFB(HYS) PGOOD Hysteresis VFB Returning 1.5 % VPGL PGOOD Low Voltage IPGOOD = 5mA 0.15 0.4 V
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings –40°C to 85°C operating temperature range are assured by design, may cause permanent damage to the device. Exposure to any Absolute characterization and correlation with statistical process controls. The Maximum Rating condition for extended periods may affect device LTM4601AI/LTM4601AI-1 are guaranteed over the –40°C to 85°C reliability and lifetime. operating temperature range.
Note 2:
The LTM4601A is tested under pulsed load conditions such that
Note 3:
Remote sense amplifier recommended for ≤3.3V output. TJ ≈ TA. The LTM4601AE/LTM4601AE-1 are guaranteed to meet
Note 4:
100% tested at wafer level only. performance specifications from 0°C to 85°C. Specifications over the
Note 5:
See output current derating curves for different VIN, VOUT and TA. 4601afe 4 For more information www.linear.com/LTM4601A Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Package Photos Related Parts