Datasheet ADP2116 (Analog Devices) - 8

ADP2116 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 100 95 95 90 90 85 ) ) 85 % (% 80 ( Y Y C C N 80 75 IE IEN C IC F FFI 75 E EF 70 70 65 VOUT = 3.3V VIN = 5V, PULSE SKIP VOUT = 3.3V, PULSE SKIP VIN = 5V, FORCED PWM 65 V 60 OUT = 1.8V VIN = 3.3V, PULSE SKIP VOUT = 1.8V, PULSE SKIP VIN = 3.3V, FORCED PWM 60 55
4
10 100 1k 10k
0 0
10 100 1k 10k
06 0 6- 6-
LOAD CURRENT (mA)
43
LOAD CURRENT (mA)
43 08 08 Figure 4. Efficiency vs. Load, VIN = 5 V and fSW = 300 kHz; Figure 6. Efficiency vs. Load, VOUT = 1.2 V and fSW = 1.2 MHz; VOUT = 3.3 V, Inductor Cooper Bussmann DR1050-8R2-R, 8.2 μH, 15 mΩ; Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ VOUT = 1.8 V, Inductor TOKO FDV0620-4R7M, 4.7 μH, 53 mΩ
100 95 95 90 VIN = 3.3V 90 85 ) ) % 85 % 80 Y ( Y ( V C C IN = 5V N 80 N 75 IE IE IC C F 75 FFI 70 EF E 70 V 65 OUT = 2.5V, PULSE SKIP VOUT = 2.5V, FORCED PWM 65 V 60 OUT = 1.2V, PULSE SKIP VOUT = 1.2V, FORCED PWM 60 55 10 100 1k 10k
7 05
100 1k 10k
-0 -00 6 36
LOAD CURRENT (mA)
43 84
LOAD CURRENT (mA)
0 08 Figure 5. Efficiency vs. Load, VIN = 5 V and fSW = 600 kHz; Figure 7. Efficiency, Combined Dual-Phase Output, VOUT = 1.2 V and VOUT = 2.5 V, Inductor TOKO FDV0620-3R3M, 3.3 μH, 40 mΩ; fSW = 1.2 MHz; Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ VOUT = 1.2 V, Inductor TOKO FDV0620-2R2M, 2.2 μH, 30 mΩ Rev. B | Page 8 of 36 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS LINE AND LOAD REGULATION SUPPLY CURRENT LOAD TRANSIENT RESPONSE BASIC FUNCTIONALITY BODE PLOTS SIMPLIFIED BLOCK DIAGRAM THEORY OF OPERATION CONTROL ARCHITECTURE UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE CONTROL SOFT START POWER GOOD PULSE SKIP MODE HICCUP MODE CURRENT LIMIT THERMAL OVERLOAD PROTECTION MAXIMUM DUTY CYCLE OPERATION SYNCHRONIZATION CONVERTER CONFIGURATION SELECTING THE OUTPUT VOLTAGE SETTING THE OSCILLATOR FREQUENCY SYNCHRONIZATION AND CLKOUT OPERATION MODE CONFIGURATION EXTERNAL COMPONENTS SELECTION ADIsimPower DESIGN TOOL INPUT CAPACITOR SELECTION VDD RC FILTER INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION CONTROL LOOP COMPENSATION DESIGN EXAMPLE CHANNEL 1 CONFIGURATION AND COMPONENTS SELECTION CHANNEL 2 CONFIGURATION AND COMPONENTS SELECTION SYSTEM CONFIGURATION APPLICATION CIRCUITS POWER DISSIPATION AND THERMAL CONSIDERATIONS CIRCUIT BOARD LAYOUT RECOMMENDATIONS OUTLINE DIMENSIONS ORDERING GUIDE