Datasheet LTM8020 (Analog Devices) - 3

LTM8020
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, VSHDN = 10V, VBIAS = 3V, External CIN = 2.2µF, COUT = 4.7µF. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOUT(AC_RMS) Output Ripple (RMS) IOUT = 100mA, VOUT = 3.3V, VIN = 24V 7.5 mV fSW Switching Frequency IOUT = 200mA 450 kHz ISC Output Short-Circuit Current VIN = 36V, VOUT = 0V 350 mA VADJ Voltage at ADJ Pin l 1.228 1.265 V VBIAS(MIN) Minimum BIAS Voltage for Proper l 3 V Operation IADJ Current Out of ADJ Pin ADJ = 0V, VOUT = 5V, VSHDN = 0V l 9.65 10.35 µA ISHDN SHDN Pin Current VSHDN = 2.5V 1 5 µA VIH(SHDN) SHDN Input High Voltage 2.5 V VIL(SHDN) SHDN Input Low Voltage 0.2 V
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings LTM8020I is guaranteed to meet specifications over the full –40°C to 85°C may cause permanent damage to the device. Exposure to any Absolute ambient operating temperature range. The LTM8020MP is guaranteed Maximum Rating condition for extended periods may affect device to meet specifications over the full –55°C to 125°C internal operating reliability and lifetime. temperature range. Note that the maximum internal temperature is
Note 2:
The LTM8020E is guaranteed to meet performance specifications determined by specific operating conditions in conjunction with board from 0°C to 85°C ambient. Specifications over the full –40°C to layout, the rated package thermal resistance and other environmental 85°C ambient operating temperature range are assured by design, factors. characterization and correlation with statistical process controls. The
Note 3:
Guaranteed by design.
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. 3.3VOUT Efficiency 3.3VOUT Power Loss 5VOUT Efficiency
90 1000 90 80 80 70 70 100 60 60 50 50 10 40 40 EFFICIENCY (%) EFFICIENCY (%) 30 30 POWER LOSS (mW) 20 5V 1 IN 5VIN 20 12VIN 12V 12V IN IN 10 24VIN 24V 10 24V IN IN 36VIN 36V 36V IN IN 0 0.1 0 0.1 1 10 100 1000 0.1 1 10 100 1000 0.1 1 10 100 1000 ILOAD (mA) I I OUT (mA) LOAD (mA) 8020 G01 8020 G02 8020 G03 8020fe For more information www.linear.com/LTM8020 3