Datasheet ADP1740, ADP1741 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 2 A, Low VIN, Dropout, CMOS Linear Regulator |
| Seiten / Seite | 20 / 2 — ADP1740/ADP1741. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY … |
| Revision | H |
| Dateiformat / Größe | PDF / 776 Kb |
| Dokumentensprache | Englisch |
ADP1740/ADP1741. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 1/15—Rev. G to Rev. H. 4/14—Rev. F to Rev. G
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ADP1740/ADP1741 Data Sheet TABLE OF CONTENTS
Features .. 1 Soft Start Function ... 11 Applications ... 1 Adjustable Output Voltage (ADP1741) ... 12 Typical Application Circuits .. 1 Enable Feature .. 12 General Description ... 1 Power-Good Feature .. 12 Revision History ... 2 Reverse Current Protection Feature .. 13 Specifications ... 3 Applications Information .. 14 Input and Output Capacitor, Recommended Specifications .. 4 Capacitor Selection .. 14 Absolute Maximum Ratings .. 5 Undervoltage Lockout ... 15 Thermal Data .. 5 Current-Limit and Thermal Overload Protection ... 15 Thermal Resistance .. 5 Thermal Considerations .. 15 ESD Caution .. 5 PCB Layout Considerations .. 17 Pin Configurations and Function Descriptions ... 6 Outline Dimensions ... 19 Typical Performance Characteristics ... 7 Ordering Guide .. 19 Theory of Operation .. 11
REVISION HISTORY 1/15—Rev. G to Rev. H
Changes to Ordering Guide .. 19
4/14—Rev. F to Rev. G
Changes to Figure 1 and Figure 2 ... 1 Changes to Figure 3 and Figure 4 ... 6 Updated Outline Dimensions ... 19 Changes to Ordering Guide .. 19
8/13—Rev. E to Rev. F
Changes to Ordering Guide .. 19
6/13—Rev. D to Rev. E
Changed Adjustable Output Voltage Option with Soft Start (ADP1755) from 0.75 V to 3.0 V to 0.75 V to 3.3 V (Throughout) .. 1 Updated Outline Dimensions ... 19
12/12—Rev. C to Rev. D
Added Junction Temperature of 150°C, Table 3 ... 5 Changes to Ordering Guide .. 19
9/12—Rev. B to Rev. C
Changes to Table 3 .. 5 Changes to Ordering Guide .. 19
2/10—Rev. A to Rev. B
Changes to Table 4 .. 5 Changes to Ordering Guide .. 19
4/09—Rev. 0 to Rev. A
Changes to Table 3 .. 5
10/08—Revision 0: Initial Version
Rev. H | Page 2 of 20 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 SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE (ADP1741) ENABLE FEATURE POWER-GOOD FEATURE REVERSE CURRENT PROTECTION FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
ADP1740/ADP1741 Data Sheet TABLE OF CONTENTS
Features .. 1 Soft Start Function ... 11 Applications ... 1 Adjustable Output Voltage (ADP1741) ... 12 Typical Application Circuits .. 1 Enable Feature .. 12 General Description ... 1 Power-Good Feature .. 12 Revision History ... 2 Reverse Current Protection Feature .. 13 Specifications ... 3 Applications Information .. 14 Input and Output Capacitor, Recommended Specifications .. 4 Capacitor Selection .. 14 Absolute Maximum Ratings .. 5 Undervoltage Lockout ... 15 Thermal Data .. 5 Current-Limit and Thermal Overload Protection ... 15 Thermal Resistance .. 5 Thermal Considerations .. 15 ESD Caution .. 5 PCB Layout Considerations .. 17 Pin Configurations and Function Descriptions ... 6 Outline Dimensions ... 19 Typical Performance Characteristics ... 7 Ordering Guide .. 19 Theory of Operation .. 11
REVISION HISTORY 1/15—Rev. G to Rev. H
Changes to Ordering Guide .. 19
4/14—Rev. F to Rev. G
Changes to Figure 1 and Figure 2 ... 1 Changes to Figure 3 and Figure 4 ... 6 Updated Outline Dimensions ... 19 Changes to Ordering Guide .. 19
8/13—Rev. E to Rev. F
Changes to Ordering Guide .. 19
6/13—Rev. D to Rev. E
Changed Adjustable Output Voltage Option with Soft Start (ADP1755) from 0.75 V to 3.0 V to 0.75 V to 3.3 V (Throughout) .. 1 Updated Outline Dimensions ... 19
12/12—Rev. C to Rev. D
Added Junction Temperature of 150°C, Table 3 ... 5 Changes to Ordering Guide .. 19
9/12—Rev. B to Rev. C
Changes to Table 3 .. 5 Changes to Ordering Guide .. 19
2/10—Rev. A to Rev. B
Changes to Table 4 .. 5 Changes to Ordering Guide .. 19
4/09—Rev. 0 to Rev. A
Changes to Table 3 .. 5
10/08—Revision 0: Initial Version
Rev. H | Page 2 of 20 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 SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE (ADP1741) ENABLE FEATURE POWER-GOOD FEATURE REVERSE CURRENT PROTECTION FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE