Datasheet ADM7151 (Analog Devices) - 7

Data Sheet ADM7151 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = VOUT + 1.2 V or VIN = 4.5 V, whichever is greater, EN = VIN, IOUT = 10 mA, CIN = COUT = CREG = 10 µF, CREF = CBYP = 1 µF, TA = 25°C, unless otherwise noted.
4.04 10 LOAD = 1mA LOAD = 10mA 9 4.03 LOAD = 100mA LOAD = 200mA 8 LOAD = 400mA 4.02 LOAD = 800mA mA) 7 ( 4.01 NT 6 (V) 4.00 5 UT OV 4 3.99 UND CURRE RO 3 3.98 G LOAD = 1mA LOAD = 10mA 2 LOAD = 100mA 3.97 LOAD = 200mA 1 LOAD = 400mA LOAD = 800mA 3.96 0 –40 –5 25 85 125
005
–40 –5 25 85 125
008
JUNCTION TEMPERATURE (°C)
1480- 1480- 1
JUNCTION TEMPERATURE (°C)
1 Figure 5. Output Voltage (VOUT) vs. Junction Temperature (TJ), ADM7151-02, Figure 8. Ground Current vs. Junction Temperature (TJ), ADM7151-02, VOUT = 4 V VOUT = 4 V
4.04 10 9 4.03 8 4.02 7 mA) ( 4.01 NT 6 (V) 4.00 5 UT OV 4 3.99 UND CURRE 3 RO 3.98 G 2 3.97 1 3.96 0 1 10 100 1000
006
1 10 100 1000
009
ILOAD (mA)
1480-
I
1480- 1
LOAD (mA)
1 Figure 6. Output Voltage (VOUT) vs. Load Current (ILOAD), ADM7151-02, Figure 9. Ground Current vs. Load Current (ILOAD), ADM7151-02, VOUT = 4 V VOUT = 4 V
4.04 10 LOAD = 1mA LOAD = 10mA 9 4.03 LOAD = 100mA LOAD = 200mA 8 LOAD = 400mA 4.02 LOAD = 800mA 7 mA) ( 4.01 NT 6 (V) 4.00 5 UT OV 4 3.99 UND CURRE 3 RO 3.98 G LOAD = 1mA LOAD = 10mA 2 LOAD = 100mA 3.97 LOAD = 200mA 1 LOAD = 400mA LOAD = 800mA 3.96 0 5 6 7 8 9 10 11 12 13 14 15 16
007
5 6 7 8 9 10 11 12 13 14 15 16
010
VIN (V)
1480-
V
1480- 1
IN (V)
1 Figure 7. Output Voltage (VOUT) vs. Input Voltage (VIN), ADM7151-02, Figure 10. Ground Current vs. Input Voltage (VIN), ADM7151-02, VOUT = 4 V VOUT = 4 V Rev. B | Page 7 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION MODEL SELECTION CAPACITOR SELECTION Output Capacitor Input and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties ENABLE (EN) AND UNDERVOLTAGE LOCKOUT (UVLO) START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE