ltm8040 Linear Technology Corporation, ltm8040 Datasheet - Page 2

• Manufacturer Part Number: ltm8040
• Description: 36v, 1a ?module Led Driver
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
LTM8040
(Note 1)
V
BIAS ..........................................................................25V
BIAS + V
LEDA .........................................................................15V
PWM .........................................................................10V
ADJ .............................................................................6V
SHDN ........................................................................36V
SHDN Above V
BIAS Current ...............................................................1A
Internal Operating Temperature (Note 2).... –40 to 125°C
Storage Temperature Range ....................... –45 to 125°C
LEAD FREE FINISH
LTM8040EV#PBF
LTM8040IV#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
ORDER INFORMATION
temperature range, otherwise specifi cations are at T
unless otherwise noted (Note 3).
PARAMETER
Minimum Input Voltage
Input Quiescent Current
Shutdown Current
LEDA Current
ADJ Bias Current
ADJ Pull-up Resistor
Switching Frequency
SHDN Threshold
PWM Threshold
2
IN
............................................................................36V
IN
.................................................................51V
IN
.........................................................6V
PART MARKING*
LTM8040V
LTM8040V
CONDITIONS
Not Switching
SHDN =0.3V, BIAS = 0V, LEDA = 0V
ADJ open
R
ADJ = 0V, Current fl ows out of pin
RT open
V
V
V
V
ADJ
IH
IL
IH
IL
= 5.11k
http://www.linear.com/leadfree/
A
= 25°C. V
PACKAGE DESCRIPTION
60-Lead 15mm × 9mm LGA Package
60-Lead 15mm × 9mm LGA Package
The
l
IN
denotes the specifi cations which apply over the full operating
= 12V, BIAS = LPWR, V
PIN CONFIGURATION
BANK 1
BANK 2
LEDA
GND
T
θ
JMAX
JA
DERIVED FROM 6.35cm × 6.35cm 4 LAYER PCB
OUT
l
l
l
= 125°C, θ
60 Lead (15mm × 9mm × 2.82mm)
= 4V, ADJ open, RT open, V
0.965
0.481
0.98
0.49
2.60
MIN
470
0.4
JA
5
= 250°C/W, WEIGHT = 1.083g
TEMPERATURE RANGE (NOTE 3)
0°C to 125°C
–40°C to 125°C
0.01
24.5
5.11
TYP
500
3.5
2.6
0.5
1
BANK 3
V
IN
LPWR
1.035
0.525
MAX
1.02
0.51
5.22
530
1.2
4
4
2
1
PWM
PWM
BIAS
SHDN
ADJ
RT
GND
= 5V,
UNITS
8040p
kHz
mA
kΩ
μA
μA
V
A
A
A
A
V
V
V
V