Datasheet LT3508 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual Monolithic 1.4A Step-Down Switching Regulator |
| 页数 / 页 | 26 / 7 — BLOCK DIAGRAM |
| 文件格式/大小 | PDF / 322 Kb |
| 文件语言 | 英语 |
BLOCK DIAGRAM
文件文字版本
LT3508
BLOCK DIAGRAM
SHDN VIN1 CLK1 RT/SYNC INT REG MASTER AND REF OSC CLK2 1.2μA TRACK/SS VIN VIN CIN 0.75V+ Σ SLOPE R BOOST D2 S Q C1 SLAVE C3 OSC CLK SW L1 OUT + D1 C1 – ERROR 0.625V AMP – FB R1 VC + TRACK/SS R2 + RC – 0.80V CF CC + + I 75mV LIMIT CLAMP PG + GND – 3508 F01
Figure 1. Block Diagram of the LT3508 with Associated External Components (One of Two Switching Regulators Shown)
3508fd 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION 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 TYPICAL APPLICATION RELATED PARTS
BLOCK DIAGRAM
SHDN VIN1 CLK1 RT/SYNC INT REG MASTER AND REF OSC CLK2 1.2μA TRACK/SS VIN VIN CIN 0.75V+ Σ SLOPE R BOOST D2 S Q C1 SLAVE C3 OSC CLK SW L1 OUT + D1 C1 – ERROR 0.625V AMP – FB R1 VC + TRACK/SS R2 + RC – 0.80V CF CC + + I 75mV LIMIT CLAMP PG + GND – 3508 F01
Figure 1. Block Diagram of the LT3508 with Associated External Components (One of Two Switching Regulators Shown)
3508fd 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION 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 TYPICAL APPLICATION RELATED PARTS