lt3476euhf-trpbf Linear Technology Corporation, lt3476euhf-trpbf Datasheet - Page 2

• Manufacturer Part Number: lt3476euhf-trpbf
• Description: High Current Quad Output Led Driver
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LT3476
(Note 1)
V
PWM1-4, SHDN ........................................................16V
SW1-4, LED1-4, CAP1-4 ...........................................36V
REF , R
Operating Temperature Range (Note 2).... –40°C to 85°C
Maximum Junction Temperature........................... 125°C
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature ................................................. 300°C
ORDER I FOR ATIO
LEAD FREE FINISH
LT3476EUHF#PBF
LEAD BASED FINISH
LT3476EUHF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, (Note 3) otherwise specifi cations are at T
PWM1-4 = 3.3V, V
PARAMETER
V
Full-Scale LED Current Monitor Threshold
One-Tenth Scale LED Current Monitor Threshold
CAP1-4/LED1-4 Operating Range
REF Output Voltage
REF Line Regulation
Quiescent Current in Shutdown
2
IN
IN
Operating Range
............................................................................16V
T
, V
ADJ1-4
U
, V
ADJ1-4
W
C
1-4 ................................................2V
= REF , CAP1-4 = 5V, unless otherwise noted.
TAPE AND REEL
LT3476EUHF#TRPBF
TAPE AND REEL
LT3476EUHF#TR
W
W W
U
http://www.linear.com/leadfree/
PART MARKING
3476
PART MARKING
3476
U
http://www.linear.com/tapeandreel/
CONDITIONS
Over CAP1-4/LED1-4 Operating Range
V
10μA ≥ I
2.8V ≤ V
SHDN = 0V
ADJ1-4
The
= 100mV
REF
IN
A
≤ 16V
= 25°C. SW1-4 = 5V, V
●
≥ –200μA
denotes the specifi cations which apply over the full operating
PI CO FIGURATIO
U
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) Plastic QFN
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) Plastic QFN
CAP1
CAP2
CAP3
CAP4
LED1
LED2
LED3
LED4
VC1
VC4
REF
U
R
IN
T
10
11
12
= 3.3V, SHDN = 3.3V, R
1
2
3
4
5
6
7
8
9
38-LEAD (5mm × 7mm) PLASTIC QFN
EXPOSED PAD (PIN 39) IS GND
(MUST BE SOLDERED TO PCB)
38 37 36 35 34 33 32
13 14 15 16
T
JMAX
●
●
= 125°C, θ
UHF PACKAGE
TOP VIEW
GND
1.032
39
MIN
102
100
2.8
2.2
8
JA
17 18 19
= 34°C/W
U
T
1.050
0.003
TYP
105
0.1
12
TEMPERATURE RANGE
TEMPERATURE RANGE
–40°C to 85°C
= 21k to GND,
–40°C to 85°C
31
30
29
28
27
26
25
24
23
22
21
20
NC
NC
SW1
SW1
SW2
SW2
SW3
SW3
SW4
SW4
NC
NC
1.063
MAX
107
108
16
16
10
36
UNITS
3476fa
%/V
mV
mV
mV
μA
V
V
V