Datasheet LT3970 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes |
| Pages / Page | 24 / 10 — BLOCK DIAGRAM |
| Revision | D |
| File Format / Size | PDF / 706 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
- LT3970EDDB#TRMPBF LT3970EDDB#TRPBF LT3970EDDB-3.3#TRMPBF LT3970EDDB-3.3#TRPBF LT3970EDDB-3.42#TRMPBF LT3970EDDB-3.42#TRPBF LT3970EDDB-5#TRMPBF LT3970EDDB-5#TRPBF LT3970EMS#PBF LT3970EMS#TRPBF LT3970EMS#WPBF LT3970EMS#WTRPBF LT3970EMS-3.3#PBF LT3970EMS-3.3#TRPBF LT3970EMS-3.3#WPBF LT3970EMS-3.3#WTRPBF LT3970EMS-5#PBF LT3970EMS-5#TRPBF LT3970EMS-5#WPBF LT3970EMS-5#WTRPBF LT3970HMS#PBF LT3970HMS#TRPBF LT3970HMS#WPBF LT3970HMS#WTRPBF LT3970HMS-3.3#PBF LT3970HMS-3.3#TRPBF LT3970HMS-3.3#WPBF LT3970HMS-3.3#WTRPBF LT3970HMS-5#PBF LT3970HMS-5#TRPBF LT3970HMS-5#WPBF LT3970HMS-5#WTRPBF LT3970IDDB#TRMPBF LT3970IDDB#TRPBF LT3970IDDB-3.3#TRMPBF LT3970IDDB-3.3#TRPBF LT3970IDDB-5#TRMPBF LT3970IDDB-5#TRPBF LT3970IMS#PBF LT3970IMS#TRPBF LT3970IMS#WPBF LT3970IMS#WTRPBF LT3970IMS-3.3#PBF LT3970IMS-3.3#TRPBF LT3970IMS-3.3#WPBF LT3970IMS-3.3#WTRPBF LT3970IMS-5#PBF LT3970IMS-5#TRPBF LT3970IMS-5#WPBF LT3970IMS-5#WTRPBF
Text Version of Document
LT3970 Series
BLOCK DIAGRAM
V V IN IN 3 C1 INTERNAL 1.21V REF – 1V + BD 8 EN SHDN + 2 – DBOOST SLOPE COMP SWITCH LATCH BOOST 7 R RT OSCILLATOR Q 10 200kHz TO 2.2MHz C3 S RT PG 9 + 1.09V + SW L1 ERROR VC Burst Mode 6 VOUT AMP DETECT DCATCH C2 – – R2 R1 LT3970 ONLY GND LT3970-X FB (4, 5) V ONLY* OUT 1 1 R2 R1 3990 BD * LT3970-3.3: R1 = 12.65M, R2 = 7.35M LT3970-3.42: R1 = 12.65M, R2 = 6.93M LT3970-5: R1 = 15.15M, R2 = 4.85M Rev. D 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts
BLOCK DIAGRAM
V V IN IN 3 C1 INTERNAL 1.21V REF – 1V + BD 8 EN SHDN + 2 – DBOOST SLOPE COMP SWITCH LATCH BOOST 7 R RT OSCILLATOR Q 10 200kHz TO 2.2MHz C3 S RT PG 9 + 1.09V + SW L1 ERROR VC Burst Mode 6 VOUT AMP DETECT DCATCH C2 – – R2 R1 LT3970 ONLY GND LT3970-X FB (4, 5) V ONLY* OUT 1 1 R2 R1 3990 BD * LT3970-3.3: R1 = 12.65M, R2 = 7.35M LT3970-3.42: R1 = 12.65M, R2 = 6.93M LT3970-5: R1 = 15.15M, R2 = 4.85M Rev. D 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts
