Datasheet LTC3108 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Ultralow Voltage Step-Up Converter and Power Manager |
| Pages / Page | 22 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 643 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT and PGD Response. Start-Up Voltage Sequencing
Model Line for this Datasheet
Text Version of Document
LTC3108
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT and PGD Response Start-Up Voltage Sequencing During a Step Load
VIN = 50mV 50mA LOAD STEP CH1 1:100 RATIO TRANSFORMER C VSTORE OUT = 220µF COUT = 220µF 1V/DIV CSTORE = 470µF CLDO = 2.2µF CH2 CH2, VOUT V 1V/DIV OUT 1V/DIV CH3, VLDO 1V/DIV CH1 PGD 1V/DIV 3108 G12 3108 G13 10sec/DIV 5ms/DIV
VOUT Ripple LDO Step Load Response
30µA LOAD COUT = 220µF V 20mV/ LDO 20mV/DIV DIV ILDO 5mA/DIV 3108 G14 100ms/DIV 200µs/DIV 3108 G15 0mA TO 3mA LOAD STEP CLDO = 2.2µF
Enable Input and VOUT2 Running on Storage Capacitor
CSTORE = 470µF CH3 V VSTORE OUT LOAD = 100µA 1V/DIV CH2, V CH2, V OUT2 OUT 1V/DIV 1V/DIV CH4, VLDO 1V/DIV CH1 CH1, VIN VOUT2_EN 50mV/DIV 1V/DIV 3108 G16 1ms/DIV 3108 G17 5sec/DIV 10mA LOAD ON VOUT2 COUT = 220µF Rev. D 6 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 Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT and PGD Response Start-Up Voltage Sequencing During a Step Load
VIN = 50mV 50mA LOAD STEP CH1 1:100 RATIO TRANSFORMER C VSTORE OUT = 220µF COUT = 220µF 1V/DIV CSTORE = 470µF CLDO = 2.2µF CH2 CH2, VOUT V 1V/DIV OUT 1V/DIV CH3, VLDO 1V/DIV CH1 PGD 1V/DIV 3108 G12 3108 G13 10sec/DIV 5ms/DIV
VOUT Ripple LDO Step Load Response
30µA LOAD COUT = 220µF V 20mV/ LDO 20mV/DIV DIV ILDO 5mA/DIV 3108 G14 100ms/DIV 200µs/DIV 3108 G15 0mA TO 3mA LOAD STEP CLDO = 2.2µF
Enable Input and VOUT2 Running on Storage Capacitor
CSTORE = 470µF CH3 V VSTORE OUT LOAD = 100µA 1V/DIV CH2, V CH2, V OUT2 OUT 1V/DIV 1V/DIV CH4, VLDO 1V/DIV CH1 CH1, VIN VOUT2_EN 50mV/DIV 1V/DIV 3108 G16 1ms/DIV 3108 G17 5sec/DIV 10mA LOAD ON VOUT2 COUT = 220µF Rev. D 6 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 Typical Application Related Parts
