Datasheet ADP5135 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Triple 1800 mA Buck Regulators With Precision Enables and Power Good Outputs |
| Pages / Page | 24 / 7 — Data Sheet. ADP5135. TYPICAL PERFORMANCE CHARACTERISTICS. 160. 140. 120. … |
| File Format / Size | PDF / 795 Kb |
| Document Language | English |
Data Sheet. ADP5135. TYPICAL PERFORMANCE CHARACTERISTICS. 160. 140. 120. SW3. ( NT. 100. E RR. IOUT3. CU T N E C. OUT3. VEN3. 3.0. 3.5. 4.0. 4.5. 5.0. 5.5
Model Line for this Datasheet
Text Version of Document
Data Sheet ADP5135 TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = VIN3= 3.6 V, TA = 25°C, unless otherwise noted.
160 T 140 V A) 120 SW3 µ 2 ( NT 100 E RR IOUT3 80 3 CU T N E C 60 V S OUT3 IE 1 U 40 Q VEN3 20 4 0
3
3.0 3.5 4.0 4.5 5.0 5.5
-006 00
CH1 2.0V CH2 5.0V M100µs A CH4 2.60V INPUT VOLTAGE (V) CH3 100mA CH4 5.0V
604-
T 10.30%
12604 12 Figure 3. System Quiescent Current vs. Input Voltage, VOUT1 = 3.3 V, Figure 6. BUCK3 Startup, VOUT3 = 3.3 V, IOUT3 = 20 mA VOUT2 = 1.8 V, VOUT3 = 1.2 V, All Channels Unloaded
3.33 T 3.32 VSW1 2 3.31 ) IOUT1 (V 3 1 T 3.30 OUV VOUT1 3.29 1 VEN1 3.28 VIN1 = 3.9V 4 VIN1 = 4.2V VIN1 = 5.5V 3.27 CH1 1.0V CH2 5.0V M100µs A CH4 2.60V
-004
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
007
CH3 50mA CH4 5.0V T 10.30%
4- 12604
IOUT1 (A)
1260 Figure 4. BUCK1 Startup, VOUT1 = 1.2 V, IOUT1 = 10 mA Figure 7. BUCK1 Load Regulation Across Input Voltage, VOUT1 = 3.3 V, PWM Mode
1.810 T VIN2 = 3.0V VIN2 = 3.6V VIN2 = 4.2V 1.805 VIN2 = 5.5V VSW2 2 ) 1.800 IOUT2 (V 3 2 T OUV 1.795 VOUT2 1 VEN2 1.790 4 1.785 CH1 2.0V CH2 5.0V M100µs A CH4 2.60V
-005
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
008
CH3 100mA CH4 5.0V T 10.30%
4- 12604
IOUT2 (A)
1260 Figure 5. BUCK2 Startup, VOUT2 = 1.8 V, IOUT2 = 10 mA Figure 8. BUCK2 Load Regulation Across Input Voltage, VOUT2 = 1.8 V, PWM Mode Rev. 0 | Page 7 of 24 Document Outline Features Applications Typical Application Circuit General Description Revision History Specifications BUCK1, BUCK2, and BUCK3 Input and Output Capacitors, Recommended Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Power-Good Output Thermal Protection Undervoltage Lockout Precision Enable and Shutdown Control Buck Regulators: BUCK1, BUCK2, AND BUCK3 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Buck Regulator Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors Applications Information Buck External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor Typical Application Schematics Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Outline Dimensions Ordering Guide
VIN1 = VIN2 = VIN3= 3.6 V, TA = 25°C, unless otherwise noted.
160 T 140 V A) 120 SW3 µ 2 ( NT 100 E RR IOUT3 80 3 CU T N E C 60 V S OUT3 IE 1 U 40 Q VEN3 20 4 0
3
3.0 3.5 4.0 4.5 5.0 5.5
-006 00
CH1 2.0V CH2 5.0V M100µs A CH4 2.60V INPUT VOLTAGE (V) CH3 100mA CH4 5.0V
604-
T 10.30%
12604 12 Figure 3. System Quiescent Current vs. Input Voltage, VOUT1 = 3.3 V, Figure 6. BUCK3 Startup, VOUT3 = 3.3 V, IOUT3 = 20 mA VOUT2 = 1.8 V, VOUT3 = 1.2 V, All Channels Unloaded
3.33 T 3.32 VSW1 2 3.31 ) IOUT1 (V 3 1 T 3.30 OUV VOUT1 3.29 1 VEN1 3.28 VIN1 = 3.9V 4 VIN1 = 4.2V VIN1 = 5.5V 3.27 CH1 1.0V CH2 5.0V M100µs A CH4 2.60V
-004
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
007
CH3 50mA CH4 5.0V T 10.30%
4- 12604
IOUT1 (A)
1260 Figure 4. BUCK1 Startup, VOUT1 = 1.2 V, IOUT1 = 10 mA Figure 7. BUCK1 Load Regulation Across Input Voltage, VOUT1 = 3.3 V, PWM Mode
1.810 T VIN2 = 3.0V VIN2 = 3.6V VIN2 = 4.2V 1.805 VIN2 = 5.5V VSW2 2 ) 1.800 IOUT2 (V 3 2 T OUV 1.795 VOUT2 1 VEN2 1.790 4 1.785 CH1 2.0V CH2 5.0V M100µs A CH4 2.60V
-005
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
008
CH3 100mA CH4 5.0V T 10.30%
4- 12604
IOUT2 (A)
1260 Figure 5. BUCK2 Startup, VOUT2 = 1.8 V, IOUT2 = 10 mA Figure 8. BUCK2 Load Regulation Across Input Voltage, VOUT2 = 1.8 V, PWM Mode Rev. 0 | Page 7 of 24 Document Outline Features Applications Typical Application Circuit General Description Revision History Specifications BUCK1, BUCK2, and BUCK3 Input and Output Capacitors, Recommended Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Power-Good Output Thermal Protection Undervoltage Lockout Precision Enable and Shutdown Control Buck Regulators: BUCK1, BUCK2, AND BUCK3 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Buck Regulator Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors Applications Information Buck External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor Typical Application Schematics Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Outline Dimensions Ordering Guide
