Datasheet ADP7105 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 20 V, 500 mA, Low Noise LDO Regulator with Soft Start |
| 页数 / 页 | 26 / 9 — Data Sheet. ADP7105. 5.05. 300. LOAD = 100µA. VOUT = 5V. LOAD = 1mA. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 866 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP7105. 5.05. 300. LOAD = 100µA. VOUT = 5V. LOAD = 1mA. 5.04. LOAD = 10mA. A = 25°C. LOAD = 100mA. 250. 5.03
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Data Sheet ADP7105 5.05 300 LOAD = 100µA VOUT = 5V LOAD = 1mA 5.04 T LOAD = 10mA A = 25°C LOAD = 100mA 250 5.03 LOAD = 300mA LOAD = 500mA V) 5.02 200 E (m 5.01 G A (V) LT 5.00 UT O 150 O V V 4.99 UT O P 100 4.98 DRO 4.97 50 4.96 4.95 0 6 8 10 12 14 16 18 20
017
1 10 100 1000
018
VIN (V)
1641-
I
1
LOAD (mA)
1641- 1 Figure 17. Output Voltage vs. Input Voltage, VOUT = 5 V Figure 20. Dropout Voltage vs. Load Current, VOUT = 5 V
1000 5.05 LOAD = 100µA 900 LOAD = 1mA 5.00 LOAD = 10mA LOAD = 100mA 800 LOAD = 300mA 4.95 A) µ 700 4.90 ( NT 600 4.85 (V) 500 4.80 UT OV 400 4.75 UND CURRE RO 300 4.70 G LOAD = 5mA 200 4.65 LOAD = 10mA LOAD = 100mA LOAD = 200mA 100 4.60 LOAD = 300mA LOAD = 500mA 0 4.55 –40 –5 25 85 125
18 1
4.8 4.9 5.0 5.1 5.2 5.3 5.4
019
TJ (°C)
1641-
V
1
IN (V)
1641- 1 Figure 18. Ground Current vs. Junction Temperature, V Figure 21. Output Voltage vs. Input Voltage (in Dropout), V OUT = 5 V OUT = 5 V
700 2500 600 2000 A) 500 A) µ µ ( ( 1500 NT NT 400 1000 300 UND CURRE UND CURRE 500 RO RO 200 G G LOAD = 5mA LOAD = 10mA 0 LOAD = 100mA 100 LOAD = 200mA LOAD = 300mA LOAD = 500mA 0 –500 0.1 1 10 100 1000
19
4.80 4.90 5.00 5.10 5.20 5.30 5.40
1 020
I V LOAD (mA)
1641-
IN (V)
1641- 1 1 Figure 19. Ground Current vs. Load Current, VOUT = 5 V Figure 22. Ground Current vs. Input Voltage (in Dropout), VOUT = 5 V Rev. C | Page 9 of 26 Document Outline Features Applications Typical Application Circuits General Description Table of Contents 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 Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programmable Undervoltage Lockout (UVLO) Soft Start Function Power-Good Feature Noise Reduction of the Adjustable ADP7105 Current-Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide
017
1 10 100 1000
018
VIN (V)
1641-
I
1
LOAD (mA)
1641- 1 Figure 17. Output Voltage vs. Input Voltage, VOUT = 5 V Figure 20. Dropout Voltage vs. Load Current, VOUT = 5 V
1000 5.05 LOAD = 100µA 900 LOAD = 1mA 5.00 LOAD = 10mA LOAD = 100mA 800 LOAD = 300mA 4.95 A) µ 700 4.90 ( NT 600 4.85 (V) 500 4.80 UT OV 400 4.75 UND CURRE RO 300 4.70 G LOAD = 5mA 200 4.65 LOAD = 10mA LOAD = 100mA LOAD = 200mA 100 4.60 LOAD = 300mA LOAD = 500mA 0 4.55 –40 –5 25 85 125
18 1
4.8 4.9 5.0 5.1 5.2 5.3 5.4
019
TJ (°C)
1641-
V
1
IN (V)
1641- 1 Figure 18. Ground Current vs. Junction Temperature, V Figure 21. Output Voltage vs. Input Voltage (in Dropout), V OUT = 5 V OUT = 5 V
700 2500 600 2000 A) 500 A) µ µ ( ( 1500 NT NT 400 1000 300 UND CURRE UND CURRE 500 RO RO 200 G G LOAD = 5mA LOAD = 10mA 0 LOAD = 100mA 100 LOAD = 200mA LOAD = 300mA LOAD = 500mA 0 –500 0.1 1 10 100 1000
19
4.80 4.90 5.00 5.10 5.20 5.30 5.40
1 020
I V LOAD (mA)
1641-
IN (V)
1641- 1 1 Figure 19. Ground Current vs. Load Current, VOUT = 5 V Figure 22. Ground Current vs. Input Voltage (in Dropout), VOUT = 5 V Rev. C | Page 9 of 26 Document Outline Features Applications Typical Application Circuits General Description Table of Contents 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 Capacitor Selection Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Programmable Undervoltage Lockout (UVLO) Soft Start Function Power-Good Feature Noise Reduction of the Adjustable ADP7105 Current-Limit and Thermal Overload Protection Thermal Considerations Printed Circuit Board Layout Considerations Outline Dimensions Ordering Guide