LTC3576EUFE-1-PBF LINER [Linear Technology], LTC3576EUFE-1-PBF Datasheet - Page 9

• Manufacturer Part Number: LTC3576EUFE-1-PBF
• Description: Switching Power Manager with USB On-the-Go + Triple Step-Down DC/DCs
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
AC COUPLED
200mA/DIV
50mV/DIV
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.5
0.7
95
90
85
80
75
70
I
2.90
V
2.90
VBUS
0mA
BUS
OTG Boost Quiescent Current
vs V
OTG Boost Effi ciency
vs V
OTG Boost Transient Response
V
OUT
OUT
OUT
500mA LOAD
100mA LOAD
3.55
3.55
= 3.8V
Voltage
Voltage
V
V
OUT
OUT
4.20
4.20
20μs/DIV
(V)
(V)
4.85
4.85
3576 G19
3576 G22
5.50
5.50
3576 G25
200mA/DIV
2.25
1.75
1.50
2V/DIV
2.50
2.00
5.5
5.0
4.5
4.0
3.5
3.0
I
V
VBUS
0mA
BUS
0V
2.9
0
OTG Boost V
vs Load Current
OTG Boost Start-Up Time into
Current Source Load vs V
Voltage
OTG Boost Start-Up into Current
Source Load
V
I
LOAD
OUT
100
3.4
V
V
V
V
= 3.8V
= 500mA
V
OUT
OUT
OUT
OUT
22μF ON V
LOAD THROUGH OVP
22μF ON V
BUS
200
LOAD THROUGH OVP
LOAD CURRENT (mA)
= 5V
= 4.4V
= 3.8V
= 3.2V
= 4.75V
3.9
BUS
I
300
VBUS
V
BUS
OUT
BUS
200μs/DIV
Voltage
= 500mA
,
, 22μF AND
400
(V)
4.4
22μF ON V
500
NO OVP
OUT
4.9
600
T
BUS
A
3576 G20
3576 G23
= 25°C unless otherwise specifi ed.
,
5.4
3576 G26
700
LTC3576/LTC3576-1
AC COUPLED
50mV/DIV
1V/DIV
100
200
100
400
300
V
90
80
70
60
50
40
V
BUS
0
SW
2.90
0V
OTG Boost Effi ciency
vs Load Current
1
OTG Boost Burst Mode Current
Threshold vs V
OTG Boost Burst Mode Operation
V
I
LOAD
OUT
FALLING THRESHOLD
= 3.8V
= 10mA
3.55
RISING THRESHOLD
LOAD CURRENT (mA)
10
V OUT (V)
OUT
50μs/DIV
4.20
Voltage
100
4.85
V
V
V
V
OUT
OUT
OUT
OUT
= 5V
= 4.4V
= 3.8V
= 3.2V
3576 G24
3576 G21
9
3576 G27
3576f
1000
5.50