LTM8040IV#PBF Linear Technology, LTM8040IV#PBF Datasheet - Page 2

• Manufacturer Part Number: LTM8040IV#PBF
• Description: IC, LED DRIVER/CURRENT SOURCE, LGA-66
• Manufacturer: Linear Technology

Specifications of LTM8040IV#PBF

• Led Driver Application: Automotive, Avionic Lighting
• No. Of Outputs: 1
• Output Current: 1A
• Output Voltage: 13V
• Input Voltage: 4V To 36V
• Dimming Control Type: PWM
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
LTM8040
(Note 1)
V
BIAS ..........................................................................25V
BIAS + V
LEDA, LPWR .............................................................15V
PWM .........................................................................10V
ADJ .............................................................................6V
RT ...............................................................................3V
SHDN ........................................................................36V
SHDN Above V
Internal Operating Temperature (Note 2) ...–40°C to 125°C
Max Solder Temperature ....................................... 245°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: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ORDER INFORMATION
temperature range, otherwise specifi cations are at T
PARAMETER
Minimum Input Voltage
Input Quiescent Current
SHDN Current
LEDA Current
ADJ Bias Current
ADJ Pull-up Resistor
Switching Frequency
SHDN Threshold
PWM Threshold
2
IN
............................................................................36V
IN
.................................................................51V
IN
.........................................................6V
TRAY
LTM8040EV#PBF
LTM8040IV#PBF
PART MARKING*
LTM8040V
LTM8040V
CONDITIONS
Not Switching
SHDN = 0.3V
SHDN = 2.65V
ADJ Open
R
ADJ = 0V, Current Flows Out of Pin
RT Open
V
V
ADJ
IH
IL
= 5.11k
A
= 25°C. V
PACKAGE DESCRIPTION
66-Lead 15mm × 9mm × 4.32mm LGA Package
66-Lead 15mm × 9mm × 4.32mm LGA Package
The
l
IN
denotes the specifi cations which apply over the full operating
= 12V, SHDN = 5V, V
PIN CONFIGURATION
BANK 1
BANK 2
LEDA
GND
T
JMAX
= 125°C, θ
θ
JA
DERIVED FROM 6.35cm × 6.35cm 4 LAYER PCB
PWM
l
l
l
66 LEAD (15mm × 9mm × 4.32mm)
JA
= 13°C/W, θ
= 5V, unless otherwise noted (Note 3).
0.965
0.481
0.98
0.49
MIN
470
1.2
5
JC
= 4.4°C/W, WEIGHT = 1.73g
TEMPERATURE RANGE (NOTE 3)
0°C to 125°C
–40°C to 125°C
0.01
10.3
5.11
2.65
TYP
245
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
0.4
4
4
2
PWM
BIAS
SHDN
ADJ
RT
GND
UNITS
8040fa
kHz
mA
kΩ
μA
μA
μA
V
A
A
A
A
V
V
V