Datasheet ADP2164 (Analog Devices) - 9

Data Sheet ADP2164 650 2.70 2.68 640 2.66 630 2.64 2.62 ) RISING 620 ) V 2.60 D ( kHz 610 L ( 2.58 HO 2.56 S NCY 600 2.54 UE HRE Q 590 T 2.52 FALLING RE O F L 2.50 580 UV 2.48 570 2.46 TJ = –40°C 2.44 560 TJ = +25°C T 2.42 J = +125°C 550 2.40
016
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3 –40 –20 0 20 40 60 80 100 120
019
VIN (V)
09944-
TEMPERATURE (°C)
09944- Figure 16. Switching Frequency vs. VIN, fS = 600 kHz (RT = 91 kΩ) Figure 19. UVLO Threshold vs. Temperature, VIN = 3.3 V
6.8 7.0 6.6 6.8 6.4 6.6 A) A) ( ( IT IT IM 6.2 IM 6.4 L L NT NT 6.0 6.2 5.8 6.0 AK CURRE AK CURRE E E P 5.6 P 5.8 5.4 5.6 5.2 5.4 –40 –20 0 20 40 60 80 100 120
017
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
020
TEMPERATURE (°C) V
09944-
IN (V)
09944- Figure 17. Peak Current Limit vs. Temperature, VIN = 3.3 V Figure 20. Peak Current Limit vs. VIN, TJ = 25°C
T T EN EN 3 3 VOUT VOUT 1 1 PGOOD PGOOD 2 2 IL IL 4 4 CH1 500mV CH2 5.00V M 1.00ms A CH3 2.50V
018
CH1 500mV CH2 5.00V M 1.00ms A CH3 2.50V
021
CH3 5.00V CH4 2.00A Ω CH3 5.00V CH4 2.00A Ω T 20.20%
09944-
T 20.20%
09944- Figure 18. Soft Start with Full Load, VIN = 5 V, VOUT = 1.2 V, fS = 1.2 MHz Figure 21. Soft Start with Precharged Output Voltage, VIN = 5 V, fS = 1.2 MHz Rev. C | Page 9 of 19 Document Outline Features Applications Typical Applications Circuit General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme Slope Compensation Precision Enable/Shutdown Integrated Soft Start Oscillator and Synchronization Power Good Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information ADIsimPower Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Coincident Tracking Ratiometric Tracking Applications Circuits Outline Dimensions Ordering Guide