Datasheet LTM4601, LTM4601-1 (Analog Devices) - 4

LTM4601/LTM4601-1
elecTrical characTerisTics The
l
denotes the specifications which apply over the –40°C to 85°C 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
ΔVOUTLS Peak Deviation for Dynamic Load Load: 0% to 50% to 0% of Full Load, COUT = 2 × 22µF Ceramic, 470µF 4V Sanyo POSCAP VIN = 12V 35 mV VIN = 5V 35 mV tSETTLE Settling Time for Dynamic Load Step Load: 0% to 50%, or 50% to 0% of Full Load VIN = 12V 25 µs IOUTPK Output Current Limit COUT = 200µF Ceramic VIN = 12V, VOUT = 1.5V 17 A VIN = 5V, VOUT = 1.5V 17 A
Remote Sense Amp (Note 3) (LTM4601 Only, Not Supported in the LTM4601-1)
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 kW 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 –1.0 –1.5 –2.0 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 kW 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 kW VMPGM Margin Reference Voltage 1.18 V VMARG0, VMARG1 MARG0, MARG1 Voltage Thresholds 1.4 V
PGOOD Output
ΔVFBH PGOOD Upper Threshold VFB Rising 7 10 13 % ΔVFBL PGOOD Lower Threshold VFB Falling –7 –10 –13 % ΔVFB(HYS) PGOOD Hysteresis VFB Returning 1.5 %
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings correlation with statistical process controls. The LTM4601I/LTM4601I-1 may cause permanent damage to the device. Exposure to any Absolute are guaranteed over the –40°C to 85°C operating temperature range. Maximum Rating condition for extended periods may affect device
Note 3:
Remote sense amplifier recommended for ≤3.3V output. reliability and lifetime.
Note 4:
100% tested at wafer level only.
Note 2:
The LTM4601 is tested under pulsed load conditions such that
Note 5:
Limit current into RUN pin to less than 1mA. TJ ≈ TA. The LTM4601E/LTM4601E-1 are guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C N
ote 6:
See output current derating curves for different VIN, VOUT and TA. operating temperature range are assured by design, characterization and 4601fe 4 For more information www.linear.com/LTM4601 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 Photo Related Parts