LT3572EUF#PBF Linear Technology, LT3572EUF#PBF Datasheet - Page 4

• Manufacturer Part Number: LT3572EUF#PBF
• Description: IC DRIVER PIEZO DUAL 20-QFN
• Manufacturer: Linear Technology

Specifications of LT3572EUF#PBF

• Applications: Piezo Motor Driver
• Number Of Outputs: 2
• Voltage - Load: 5 V ~ 40 V
• Voltage - Supply: 2.7 V ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -

LT3572
TYPICAL PERFORMANCE CHARACTERISTICS
4
1.25
1.24
1.22
1.20
1.23
1.21
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50
–50
Feedback Pin Voltage vs
Temperature
Quiescent Current vs Temperature
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
0.30
0.50
0.45
0.40
0.35
0.25
0.20
0.15
0.10
0.05
0
–50
50
50
SW Saturation Voltage vs
Temperature
–25
75
75
100
100 125
0
TEMPERATURE (°C)
125
I
I
25
SW
SW
3572 G01
3572 G04
= 800mA
= 400mA
150
150
50
75
100 125 150
2.5
2.0
1.0
0.5
1.5
10
9
8
7
6
5
4
3
2
0
1
0
–50
–50
Oscillator Frequency vs
Temperature
SHDN Pin Current vs Temperature
3572 G07
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
V
25
25
V
SHDN
SHDN
50
RT = 13k
RT = 35k
50
= 2.5V
= 5V
75
75
200mA/DIV
100 125 150
100 125
20V/DIV
20V/DIV
PGOOD
5V/DIV
V
V
OUTA
OUT
I
IN
3572 G05
3572 G02
Start-Up
150
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
8
7
6
5
4
3
2
1
0
0
–50
–50
200μs/DIV
SS Pin Current vs Temperature
SW Current Limit vs Temperature
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
3572 G08
75
75
100
100
125
125
3572 G03
3572 G06
3572fa
150
150