Datasheet ADP5138 (Analog Devices) - 10

ADP5138 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VAVIN = VPVIN1 = VPVIN2 = VPVIN3 = VPVIN4 = VPVIN5 = 5.0 V, fSW = 3.2 MHz, unless otherwise noted. VOUTx is the output voltage on a single channel.
100 8.0 VPVINx = 3V 90 7.5 VPVINx = 5V V 80 7.0 PVINx = 5.5V 70 mA) 6.5 ( %) NT ( 60 6.0 NCY 50 E 5.5 CURRE ICI F NT 40 5.0 F E CE S 30 E 4.5 VOUT1 = 3.3V UI Q 20 VOUT2 = 1.0V 4.0 VOUT3 = 1.25V 10 V 3.5 OUT4 = 1.35V 0 3.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 –40 –20 0 20 40 60 80 100 120
007 004
TEMPERATURE (°C) OUTPUT CURRENT (A)
16669- 16669- Figure 4. Efficiency vs. Output Current at VPVINx = 5 V, fSW = 3.2 MHz Figure 7. Quiescent Current vs. Temperature
3500 3.00 RISING VPVINx = 3V FALLING 3000 VPVINx = 5V 2.95 VPVINx = 5.5V ) A) V n 2500 ( D ( L 2.90 NT HO 2000 S HRE 2.85 N CURRE T 1500 W O L DO 2.80 1000 IN UV HUT S AV 2.75 500 0 2.70
008
–40 –20 0 20 40 60 80 100 120
005
–40 –20 0 20 40 60 80 100 120 TEMPERATURE (
°
C) TEMPERATURE (°C)
16669- 16669- Figure 5. Shutdown Current vs. Temperature Figure 8. AVIN UVLO Threshold vs. Temperature
4.36 5.88 RISING RISING FALLING FALLING 4.32 5.84 ) ) V V ( D ( L 4.28 5.80 OLD H HO S S E R 4.24 5.76 HRE T M LO TH 4.20 OV 5.72 IN UV IN V AV A 4.16 5.68 4.12 5.64
009
–40 –20 0 20 40 60 80 100 120
006
–40 –20 0 20 40 60 80 100 120 TEMPERATURE (°C) TEMPERATURE (°C)
16669- 16669- Figure 6. AVIN UVM Threshold vs. Temperature Figure 9. AVIN OVLO Threshold vs. Temperature Rev. A | Page 10 of 23 Document Outline Features Applications Typical Application Circuit General Description Revision History Functional Block Diagram Specifications Buck Regulator Specifications LDO Regulator Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme Precision Enable and Shutdown Oscillator and Phase Shift Synchronization Input Overvoltage Lockout (OVLO) Input Undervoltage Monitor (UVM) Input Undervoltage Lockout (UVLO) Output Voltage Power-Good Power-On Reset (POR) Soft Start and Power-Up Sequence Current-Limit and Short-Circuit Protection Active Output Discharge Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Factory-Programmable Options Outline Dimensions Ordering Guide Automotive Products