Datasheet LT3791-1 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 60V 4-Switch Synchronous Buck-Boost Controller |
| Pages / Page | 26 / 8 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 312 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(BST1-SW1), V(BST2-SW2) UVLO
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Text Version of Document
LT3791-1
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(BST1-SW1), V(BST2-SW2) UVLO BG1, BG2 Driver On-Resistance TG1, TG2 Driver On-Resistance vs Temperature vs Temperature vs Temperature
3.9 4.5 4.0 3.8 4.0 3.5 (V) RISING PULL-UP 3.7 3.5 3.0 PULL-UP 3.0 3.6 2.5 (BST2,SW2) 2.5 PULL-DOWN , V 3.5 2.0 2.0 3.4 PULL-DOWN 1.5 FALLING 1.5 V (BST1-SW1) 3.3 BG1, BG2 RESISTANCE (Ω) 1.0 TG1, TG2 RESISTANCE (Ω) 1.0 3.2 0.5 0.5 3.1 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 37911 G28 37911 G29 37911 G30
PWMOUT On-Resistance V(SNSP-SNSN) Buck Threshold vs Temperature VC Voltage vs Duty Cycle vs VC
14 1.6 60 V(SNSP-SNSN) = 0V 12 1.4 40 BG2 1.2 10 PULL-UP 20 1.0 (mV) 8 BG1 (V) 0.8 0 6 PULL-DOWN V C 0.6 –20 4 V (SNSP-SNSN) PWMOUT RESISTANCE (Ω) 0.4 2 –40 0.2 0 0 –60 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 0.6 0.8 1.0 1.2 1.4 1.6 1.8 TEMPERATURE (°C) DUTY CYCLE (%) VC (V) 37911 G31 37911 G32 37911 G33
V(SNSP-SNSN) Buck Threshold V(SNSP-SNSN) Boost Threshold V(SNSP-SNSN) Boost Threshold vs Temperature vs VC vs Temperature
60 60 60 VC(MIN) VC(MAX) 40 40 40 20 20 20 (mV) 0 0 0 THRESHOLD (mV) THRESHOLD (mV) –20 –20 –20 V (SNSP-SNSN) –40 –40 V (SNSP-SNSN) –40 VC(MAX) V (SNSP-SNSN) –60 –60 VC(MIN) –60 –80 –80 –50 –25 0 25 50 75 100 125 150 0.6 0.8 1.0 1.2 1.4 1.6 1.8 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VC (V) TEMPERATURE (°C) 37911 G34 37911 G35 37911 G36 37911fb 8 For more information www.linear.com/LT3791-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. V(BST1-SW1), V(BST2-SW2) UVLO BG1, BG2 Driver On-Resistance TG1, TG2 Driver On-Resistance vs Temperature vs Temperature vs Temperature
3.9 4.5 4.0 3.8 4.0 3.5 (V) RISING PULL-UP 3.7 3.5 3.0 PULL-UP 3.0 3.6 2.5 (BST2,SW2) 2.5 PULL-DOWN , V 3.5 2.0 2.0 3.4 PULL-DOWN 1.5 FALLING 1.5 V (BST1-SW1) 3.3 BG1, BG2 RESISTANCE (Ω) 1.0 TG1, TG2 RESISTANCE (Ω) 1.0 3.2 0.5 0.5 3.1 0 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 37911 G28 37911 G29 37911 G30
PWMOUT On-Resistance V(SNSP-SNSN) Buck Threshold vs Temperature VC Voltage vs Duty Cycle vs VC
14 1.6 60 V(SNSP-SNSN) = 0V 12 1.4 40 BG2 1.2 10 PULL-UP 20 1.0 (mV) 8 BG1 (V) 0.8 0 6 PULL-DOWN V C 0.6 –20 4 V (SNSP-SNSN) PWMOUT RESISTANCE (Ω) 0.4 2 –40 0.2 0 0 –60 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 0.6 0.8 1.0 1.2 1.4 1.6 1.8 TEMPERATURE (°C) DUTY CYCLE (%) VC (V) 37911 G31 37911 G32 37911 G33
V(SNSP-SNSN) Buck Threshold V(SNSP-SNSN) Boost Threshold V(SNSP-SNSN) Boost Threshold vs Temperature vs VC vs Temperature
60 60 60 VC(MIN) VC(MAX) 40 40 40 20 20 20 (mV) 0 0 0 THRESHOLD (mV) THRESHOLD (mV) –20 –20 –20 V (SNSP-SNSN) –40 –40 V (SNSP-SNSN) –40 VC(MAX) V (SNSP-SNSN) –60 –60 VC(MIN) –60 –80 –80 –50 –25 0 25 50 75 100 125 150 0.6 0.8 1.0 1.2 1.4 1.6 1.8 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VC (V) TEMPERATURE (°C) 37911 G34 37911 G35 37911 G36 37911fb 8 For more information www.linear.com/LT3791-1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts
