Datasheet ADM7154 (Analog Devices) - 7

Data Sheet ADM7154 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = VOUT + 0.5 V, or VIN = 2.3 V, whichever is greater; VEN = VIN; IOUT = 10 mA; CIN = COUT = CREG = 10 µF; CREF = CBYP = 1 µF; TA = 25°C, unless otherwise noted.
1.0 3.33 VIN = 2.3V 0.9 VIN = 2.4V VIN = 2.6V 3.32 0.8 VIN = 3.0V A) VIN = 4.0V µ ( 0.7 VIN = 5.5V 3.31 NT 0.6 (V) 0.5 3.30 UT N CURRE O W 0.4 V DO 3.29 0.3 I HUT LOAD = 1mA S ILOAD = 10mA 0.2 I 3.28 LOAD = 100mA I 0.1 LOAD = 200mA ILOAD = 400mA I 0 LOAD = 600mA 3.27 –50 –25 0 25 50 75 100 125
005
3.5 4.0 4.5 5.0 5.5
008
TEMPERATURE (°C)
12324-
VIN (V)
12324- Figure 5. Shutdown Current vs. Temperature at Figure 8. Output Voltage (VOUT) vs. Input Voltage (VIN) at Various Loads, Various Input Voltages, VOUT = 1.8 V VOUT = 3.3 V
3.33 10 9 3.32 8 7 3.31 mA) ( NT 6 (V) 3.30 5 UT OV 4 3.29 UND CURRE I 3 LOAD = 1mA RO I G ILOAD = 1mA LOAD = 10mA I I 2 LOAD = 10mA 3.28 LOAD = 100mA I I LOAD = 100mA LOAD = 200mA ILOAD = 200mA I 1 LOAD = 400mA ILOAD = 400mA ILOAD = 600mA ILOAD = 600mA 3.27 0 –40 –5 25 85 125
006
–40 –5 25 85 125
009
JUNCTION TEMPERATURE (°C)
12324-
JUNCTION TEMPERATURE (°C)
12324- Figure 6. Output Voltage (VOUT) vs. Junction Temperature at Various Loads, Figure 9. Ground Current vs. Junction Temperature (TJ) at Various Loads, VOUT = 3.3 V VOUT = 3.3 V
3.33 10 9 3.32 8 7 3.31 mA) ( NT 6 (V) 3.30 5 UT OV 4 3.29 UND CURRE RO 3 G 2 3.28 1 3.27 0 1 10 100 1000
007
1 10 100 1000
010
ILOAD (mA) I
12324-
LOAD (mA)
12324- Figure 7. Output Voltage (VOUT) vs. Load Current (ILOAD), VOUT = 3.3 V Figure 10. Ground Current vs. Load Current (ILOAD), VOUT = 3.3 V Rev. B | Page 7 of 23 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE