Datasheet LT1176, LT1176-5 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Step-Down Switching Regulator |
| Pages / Page | 8 / 5 — BLOCK DIAGRAM |
| File Format / Size | PDF / 145 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LT1176/LT1176-5
BLOCK DIAGRAM
INPUT SUPPLY 0.3V 10µA + 320µA µPOWER 6V 6V TO ALL SHUTDOWN REGULATOR CIRCUITRY 500Ω – AND BIAS 2.35V CURRENT LIMIT CURRENT LIMIT + SHUTDOWN COMP + 0.16Ω C2 – ILIM – 4.5V 10k SHUTDOWN FREQ SHIFT R 100kHz R/S G1 S Q OSCILLATOR LATCH R SYNC OUTPUT 3VP-P VOLTAGE MONITOR VIN + 400Ω Z + C1 A1 ANALOG STATUS ERROR X MULTIPLIER – 2.21V AMP XYZ PULSE WIDTH SWITCH – COMPARATOR OUTPUT Y (VSW) 2.8k 2.2k* 11765 BD FB/SENSE VC 24V (EQUIVALENT) *CONNECTED ON 5V VERSION ONLY 11765fb 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Block Diagram Package Description Revision History Package Description
BLOCK DIAGRAM
INPUT SUPPLY 0.3V 10µA + 320µA µPOWER 6V 6V TO ALL SHUTDOWN REGULATOR CIRCUITRY 500Ω – AND BIAS 2.35V CURRENT LIMIT CURRENT LIMIT + SHUTDOWN COMP + 0.16Ω C2 – ILIM – 4.5V 10k SHUTDOWN FREQ SHIFT R 100kHz R/S G1 S Q OSCILLATOR LATCH R SYNC OUTPUT 3VP-P VOLTAGE MONITOR VIN + 400Ω Z + C1 A1 ANALOG STATUS ERROR X MULTIPLIER – 2.21V AMP XYZ PULSE WIDTH SWITCH – COMPARATOR OUTPUT Y (VSW) 2.8k 2.2k* 11765 BD FB/SENSE VC 24V (EQUIVALENT) *CONNECTED ON 5V VERSION ONLY 11765fb 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Block Diagram Package Description Revision History Package Description
