lt3572 Linear Technology Corporation, lt3572 Datasheet - Page 2

• Manufacturer Part Number: lt3572
• Description: Dual Full-bridge Piezo Driver With 900ma Boost Converter
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LT3572
(Note 1)
V
OUTA, ⎯ O ⎯ U ⎯ T ⎯ A , OUTB, ⎯ O ⎯ U ⎯ T ⎯ B Voltage ...........................40V
SW Voltage ...............................................................42V
RT, SS, SYNC ..............................................................2V
All Other Pins ............................................................10V
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
LEAD FREE FINISH
LT3572EUF#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
temperature range, otherwise specifi cations are at T
PARAMETER
Minimum Operating Voltage
V
V
⎯ S ⎯ H ⎯ D ⎯ N Pin Threshold
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A Pin Threshold
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B Pin Threshold
⎯ S ⎯ H ⎯ D ⎯ N Pin Bias Current
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A Pin Bias Current
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B Pin Bias Current
2
IN
IN
OUT
Quiescent Current
Shutdown Current
Voltage .............................................................40V
TAPE AND REEL
LT3572EUF#TRPBF
http://www.linear.com/leadfree/
CONDITIONS
V
V
V
V
V
V
V
V
FB
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N
⎯ S ⎯ H ⎯ D ⎯ N
⎯ S ⎯ H ⎯ D ⎯ N
⎯ S ⎯ H ⎯ D ⎯ N
⎯ S ⎯ H ⎯ D ⎯ N
⎯ S ⎯ H ⎯ D ⎯ N
PART MARKING
3572
= 1.3V
http://www.linear.com/tapeandreel/
A
= 5V, V
= 0V, V
= 0V, V
= 0V, V
= 0V, V
= 0V, V
= 25°C. V
= V
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
The
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
●
IN
= 0V
denotes the specifi cations which apply over the full operating
= 0V, V
= 0V, V
= 5V, V
= 0V, V
= 0V, V
= 0V, V
= 5V, V
PIN CONFIGURATION
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
⎯ S ⎯ H ⎯ D ⎯ N ⎯ A
PACKAGE DESCRIPTION
20-Lead (4mm × 4mm) Plastic DFN
= 0V
= 0V
= 0V
= 0V
= 5V
= 0V
= V
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
⎯ S ⎯ H ⎯ D ⎯ N ⎯ B
SYNC
GND
SW
V
RT
IN
20-LEAD (4mm × 4mm) PLASTIC QFN
= V
1
2
3
4
5
⎯ S ⎯ H ⎯ D ⎯ N
T
JMAX
20 19 18 17 16
6
●
= 125°C, θ
= 5V, unless otherwise noted.
UF PACKAGE
TOP VIEW
7
21
MIN
8
0.3
0.3
0.3
JA
9 10
= 37°C/W
TYP
TEMPERATURE RANGE
–40°C to 85°C
2.5
3.4
0.1
0.1
0.1
0
8
8
8
15
14
13
12
11
PGOOD
SS
FB
SHDNB
SHDNA
MAX
2.7
1.5
1.5
1.5
15
15
15
4
1
1
1
1
UNITS
3572f
mA
μA
μA
μA
μA
μA
μA
μA
V
V
V
V