Datasheet LTC3126 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath |
| 页数 / 页 | 30 / 9 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 2.1 Mb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Step, 0.5A to 2.5A. Start-Up Waveforms
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LTC3126
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Step, 0.5A to 2.5A Start-Up Waveforms
LOAD ENA CURRENT 5V/DIV 2A/DIV VALID1 INDUCTOR 5V/DIV CURRENT 2A/DIV VOUT 2V/DIV VOUT PGOOD 200mV/DIV 5V/DIV 100µs/DIV 3126 G37 2ms/DIV 3126 G38 FRONT PAGE APPLICATION FRONT PAGE APPLICATION
Start-Up Dropout Performance Ideal Diode Mode Transition
VIN V V IN1 IN1, VIN2 V 5V/DIV IN, VOUT VIN2 2V/DIV VOUT PRIORITY 5V/DIV I INDUCTOR IN2 500mA/DIV CURRENT IIN1 500mA/DIV 500mA/DIV VOUT 100mV/DIV 50ms/DIV 3126 G39 50ms/DIV 3126 G40 10Ω LOAD 10Ω LOAD VOUT = 5V VOUT = 5V
Hot Plug of Automotive Priority Mode Transition Input, VIN1
V VIN1 IN1, VIN2 VIN2 V V 10V/DIV SET1 IN1, VIN2 THRESHOLD V 10V/DIV IN1 VIN2 PRIORITY VOUT 5V/DIV 100mV/DIV IIN2 200mA/DIV I SW IN1 200mA/DIV 10V/DIV VOUT 100mV/DIV 50ms/DIV 3126 G41 20µs/DIV 3126 G42 10Ω LOAD FRONT PAGE APPLICATION VIN2 = 10V 1A LOAD VOUT = 3.3V VIN1 = 13.8V VIN2 = 6V 3126f For more information www.linear.com/LTC3126 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Step, 0.5A to 2.5A Start-Up Waveforms
LOAD ENA CURRENT 5V/DIV 2A/DIV VALID1 INDUCTOR 5V/DIV CURRENT 2A/DIV VOUT 2V/DIV VOUT PGOOD 200mV/DIV 5V/DIV 100µs/DIV 3126 G37 2ms/DIV 3126 G38 FRONT PAGE APPLICATION FRONT PAGE APPLICATION
Start-Up Dropout Performance Ideal Diode Mode Transition
VIN V V IN1 IN1, VIN2 V 5V/DIV IN, VOUT VIN2 2V/DIV VOUT PRIORITY 5V/DIV I INDUCTOR IN2 500mA/DIV CURRENT IIN1 500mA/DIV 500mA/DIV VOUT 100mV/DIV 50ms/DIV 3126 G39 50ms/DIV 3126 G40 10Ω LOAD 10Ω LOAD VOUT = 5V VOUT = 5V
Hot Plug of Automotive Priority Mode Transition Input, VIN1
V VIN1 IN1, VIN2 VIN2 V V 10V/DIV SET1 IN1, VIN2 THRESHOLD V 10V/DIV IN1 VIN2 PRIORITY VOUT 5V/DIV 100mV/DIV IIN2 200mA/DIV I SW IN1 200mA/DIV 10V/DIV VOUT 100mV/DIV 50ms/DIV 3126 G41 20µs/DIV 3126 G42 10Ω LOAD FRONT PAGE APPLICATION VIN2 = 10V 1A LOAD VOUT = 3.3V VIN1 = 13.8V VIN2 = 6V 3126f For more information www.linear.com/LTC3126 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Quick Reference Operation Applications Information Typical Applications Package Description Typical Application Related Parts