Datasheet ADP7185 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | -500 mA, Ultralow Noise, High PSRR, Low Dropout Linear Regulator |
| 页数 / 页 | 19 / 7 — Data Sheet. ADP7185. TYPICAL PERFORMANCE CHARACTERISTICS. –1.186. NO LOAD … |
| 文件格式/大小 | PDF / 855 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP7185. TYPICAL PERFORMANCE CHARACTERISTICS. –1.186. NO LOAD ILOAD = –10mA. –1.191. LOAD = –100mA. ILOAD = –300mA
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Data Sheet ADP7185 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = −3.8 V, VOUT = −3.3 V, IOUT = −10 mA, CIN = COUT = 4.7 μF, CAFB = 10 nF, CA = CREG = 1 μF, and TA = 25°C, unless otherwise noted.
–1.186 0 NO LOAD ILOAD = –10mA I –1 –1.191 LOAD = –100mA ILOAD = –300mA ILOAD = –500mA –2 A) –1.196 (m –3 ) NT E (V T –1.201 RR –4 OUV CU ND –5 –1.206 U RO G –6 NO LOAD –1.211 ILOAD = –10mA –7 ILOAD = –100mA ILOAD = –300mA ILOAD = –500mA –1.216
4
–8 –60 –40 –20 0 20 40 60 80 100 120 140
30
–40 –15 10 35 60 85 110 135
017 32- 32-
TEMPERATURE (°C)
139
JUNCTION TEMPERATURE (°C)
139 Figure 4. Output Voltage (VOUT) vs. Junction Temperature, VOUT = −1.2 V Figure 7. Ground Current vs. Junction Temperature (TJ), VOUT = −1.2 V
–1.186 0 –1.191 –1 ) A –1.196 m ( –2 ) NT (V T –1.201 RRE –3 OUV D CU –1.206 UN –4 RO G –1.211 –5 –1.216
5
–6 –1000 –100 –10
-30
–500 –450 –400 –350 –300 –250 –200 –150 –100 –50 0
-018
ILOAD (mA)
932 13
ILOAD (mA)
13932 Figure 5. Output Voltage (VOUT) vs. Load Current (ILOAD), VOUT = −1.2 V Figure 8. Ground Current vs. Load Current (ILOAD), VOUT = −1.2 V
–1.186 0 –1 –1.196 –2 A) –1.206 (m NT –3 E (V) R T –1.216 –4 OU UR V C ND –5 –1.226 U O R NO LOAD G –6 NO LOAD –1.236 ILOAD = –10mA I I LOAD = –10mA LOAD = –100mA I I –7 LOAD = –100mA LOAD = –300mA I I LOAD = –300mA LOAD = –500mA I –1.246 LOAD = –500mA –8 –5.5 –5.0 –4.5 –4.0 –3.5 –3.0 –2.5 –2.0
-306
–5.5 –5.0 –4.5 –4.0 –3.5 –3.0 –2.5 –2.0
19 0
VIN (V)
932 32- 13
VIN (V)
139 Figure 6. Output Voltage (VOUT) vs. Input Voltage (VIN), VOUT = −1.2 V Figure 9. Ground Current vs. Input Voltage (VIN), VOUT = −1.2 V Rev. 0 | Page 7 of 19 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 CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ADJUSTABLE MODE OPERATION ENABLE PIN OPERATION START-UP TIME APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor CA and CAFB Capacitors Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
VIN = −3.8 V, VOUT = −3.3 V, IOUT = −10 mA, CIN = COUT = 4.7 μF, CAFB = 10 nF, CA = CREG = 1 μF, and TA = 25°C, unless otherwise noted.
–1.186 0 NO LOAD ILOAD = –10mA I –1 –1.191 LOAD = –100mA ILOAD = –300mA ILOAD = –500mA –2 A) –1.196 (m –3 ) NT E (V T –1.201 RR –4 OUV CU ND –5 –1.206 U RO G –6 NO LOAD –1.211 ILOAD = –10mA –7 ILOAD = –100mA ILOAD = –300mA ILOAD = –500mA –1.216
4
–8 –60 –40 –20 0 20 40 60 80 100 120 140
30
–40 –15 10 35 60 85 110 135
017 32- 32-
TEMPERATURE (°C)
139
JUNCTION TEMPERATURE (°C)
139 Figure 4. Output Voltage (VOUT) vs. Junction Temperature, VOUT = −1.2 V Figure 7. Ground Current vs. Junction Temperature (TJ), VOUT = −1.2 V
–1.186 0 –1.191 –1 ) A –1.196 m ( –2 ) NT (V T –1.201 RRE –3 OUV D CU –1.206 UN –4 RO G –1.211 –5 –1.216
5
–6 –1000 –100 –10
-30
–500 –450 –400 –350 –300 –250 –200 –150 –100 –50 0
-018
ILOAD (mA)
932 13
ILOAD (mA)
13932 Figure 5. Output Voltage (VOUT) vs. Load Current (ILOAD), VOUT = −1.2 V Figure 8. Ground Current vs. Load Current (ILOAD), VOUT = −1.2 V
–1.186 0 –1 –1.196 –2 A) –1.206 (m NT –3 E (V) R T –1.216 –4 OU UR V C ND –5 –1.226 U O R NO LOAD G –6 NO LOAD –1.236 ILOAD = –10mA I I LOAD = –10mA LOAD = –100mA I I –7 LOAD = –100mA LOAD = –300mA I I LOAD = –300mA LOAD = –500mA I –1.246 LOAD = –500mA –8 –5.5 –5.0 –4.5 –4.0 –3.5 –3.0 –2.5 –2.0
-306
–5.5 –5.0 –4.5 –4.0 –3.5 –3.0 –2.5 –2.0
19 0
VIN (V)
932 32- 13
VIN (V)
139 Figure 6. Output Voltage (VOUT) vs. Input Voltage (VIN), VOUT = −1.2 V Figure 9. Ground Current vs. Input Voltage (VIN), VOUT = −1.2 V Rev. 0 | Page 7 of 19 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 CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ADJUSTABLE MODE OPERATION ENABLE PIN OPERATION START-UP TIME APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor CA and CAFB Capacitors Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE