Datasheet ADP7158 (Analog Devices) - 7

Data Sheet ADP7158 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = VOUT + 0.5 V or 2.3 V, whichever is greater; VEN = VIN; ILOAD = 10 mA; CIN = COUT = 10 µF; CREG = CREF = CBYP = 1 µF; TA = 25°C unless otherwise noted.
1.0 3.35 2.3V 0.9 2.5V 3.34 I 3.0V LOAD = 0mA 0.8 4.0V 3.33 ILOAD = 10mA 5.0V ILOAD = 100mA 0.7 3.32 5.5V ILOAD = 600mA I 0.6 3.31 LOAD = 1200mA A) µ ILOAD = 2000mA ( (V) D 0.5 3.30 S UT O I IN_ V 0.4 3.29 0.3 3.28 0.2 3.27 0.1
005
3.26
008
0
12896-
3.25
12896-
–40 –20 0 20 40 60 80 100 120 140 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 TEMPERATURE (°C) VIN (V)
Figure 5. Shutdown Current (IIN_SD) vs. Temperature Figure 8. Output Voltage (VOUT) vs. Input Voltage (VIN) at Various Input Voltages (VIN), VOUT = 1.8 V at Various Loads, VOUT = 3.3 V
3.35 14 ILOAD = 0mA 13 3.34 ILOAD = 10mA 12 I 3.33 LOAD = 100mA I 11 LOAD = 600mA 3.32 ILOAD = 1200mA 10 ILOAD = 2000mA 9 3.31 8 (V) mA) 3.30 ( UT 7 O ND V 6 I G 3.29 5 3.28 I 4 LOAD = 0mA ILOAD = 10mA 3.27 3 ILOAD = 100mA 2 ILOAD = 600mA 3.26
006
I 1 LOAD = 1200mA
009
ILOAD = 2000mA 3.25
12896-
0
12896-
–40 –20 0 20 40 60 80 100 120 140 –40 –20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) TEMPERATURE (°C)
Figure 6. Output Voltage (VOUT) vs. Temperature Figure 9. Ground Current (IGND) vs. Temperature at Various Loads, VOUT = 3.3 V at Various Loads, VOUT = 3.3 V
3.35 14 13 3.34 12 3.33 11 3.32 10 9 3.31 8 (V) mA) 3.30 UT ( 7 OV ND 6 3.29 I G 5 3.28 4 3.27 3 2 3.26
007
1
010
3.25
12896-
0
12896-
0.1m 1m 10m 100m 1 10 0.1m 1m 10m 100m 1 10 ILOAD (A) ILOAD (A)
Figure 7. Output Voltage (VOUT) vs. Load Current (ILOAD), VOUT = 3.3 V Figure 10. Ground Current (IGND) vs. Load Current (ILOAD), VOUT = 3.3 V Rev. C | Page 7 of 22 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITORS, RECOMMENDED 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 UVLO PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT LIMIT AND THERMAL SHUTDOWN THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE