LTC3576EUFE#TRPBF Linear Technology, LTC3576EUFE#TRPBF Datasheet - Page 12

• Manufacturer Part Number: LTC3576EUFE#TRPBF
• Description: IC POWER MANAGER W/USB OTG 38QFN
• Manufacturer: Linear Technology

Specifications of LTC3576EUFE#TRPBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

LTC3576/LTC3576-1
TYPICAL PERFORMANCE CHARACTERISTICS
12
0.820
0.815
0.810
0.805
0.800
0.795
0.790
0.810
0.805
0.800
0.795
0.790
7
6
4
3
2
0
8
5
1
–40
0.1
0.1
Switching Regulator Constant
Frequency Quiescent Currents
Switching Regulators 1, 2
Feedback Voltage vs Load Current
Switching Regulator 3 Feedback
Voltage vs Load Current
PULSE-SKIPPING MODE
–15
PULSE-SKIPPING MODE
1
1
REGULATOR 3
LOAD CURRENT (mA)
LOAD CURRENT (mA)
OPERATION
Burst Mode
SWITCHING
OPERATION
REGULATORS 1, 2
TEMPERATURE (°C)
Burst Mode
SWITCHING
10
10
10
35
100
100
60
3576 G49
3576 G52
3576 G46
1000
1000
85
AC COUPLED
AC COUPLED
200mA/DIV
500mA/DIV
50mV/DIV
50mV/DIV
V
V
I
I
OUT2
OUT2
OUT3
OUT3
0mA
0mA
100
90
80
70
60
50
40
30
20
10
0
0.1
Switching Regulator 3
Pulse-Skipping Mode Effi ciency
Switching Regulators 1, 2
Transient Response
V
V
Switching Regulator 3
Transient Response
V
V
V
IN3
IN2
OUT2
IN3
OUT3
= 3.8V
= 3.8V
= 3.8V
= 3.4V
= 1.8V
1
V
LOAD CURRENT (mA)
OUT3
= 1.2V
50μs/DIV
50μs/DIV
V
OUT3
10
V
OUT3
= 2.5V
= 1.8V
100
T
A
3576 G47
3576 G50
3576 G53
= 25°C unless otherwise specifi ed.
1000
AC COUPLED
AC COUPLED
50mV/DIV
50mV/DIV
1V/DIV
1V/DIV
V
100
V
V
V
90
80
70
60
50
40
30
20
10
OUT3
OUT3
SW3
SW3
0
0V
0.1
0V
Switching Regulator 3
Burst Mode Effi ciency
V
Switching Regulator Mode
Transition, Pulse-Skipping-LDO-
Pulse-Skipping
Switching Regulator Mode
Transition, Pulse-Skipping–Burst
Mode Operation–Pulse-Skipping
IN3
V
V
I
V
V
I
OUT3
OUT3
IN3
OUT3
IN3
OUT3
= 3.8V
= 3.8V
= 3.8V
= 100mA
= 50mA
= 1.8V
= 1.8V
V
1
OUT3
LOAD CURRENT (mA)
V
OUT3
= 1.8V
V
OUT3
50μs/DIV
50μs/DIV
= 1.2V
10
= 2.5V
100
3576 G48
3576fb
3576 G54
3576 G51
1000