LT3755EUD-2#TRPBF Linear Technology, LT3755EUD-2#TRPBF Datasheet - Page 26

• Manufacturer Part Number: LT3755EUD-2#TRPBF
• Description: IC LED DRVR HP CONST CURR 16-QFN
• Manufacturer: Linear Technology
• Type: High Power, Constant Currentr

Specifications of LT3755EUD-2#TRPBF

• Constant Current: Yes
• Constant Voltage: Yes
• Topology: Flyback, Low Side, PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: White LED
• Frequency: 100kHz ~ 1MHz
• Voltage - Supply: 4.5 V ~ 40 V
• Voltage - Output: 75V
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -

LT3755/LT3755-1/LT3755-2
Typical applicaTion
relaTeD parTs
PART NUMBER
LT3474
LT3475
LT3476
LT3477
LT3478/LT3478-1
LT3486
LT3496
LT3517
LT3518
LT3756/LT3756-1/
LT3756-2
LTC

6V TO
36V
V
IN
®
3783
INTV
M1, M2: VISHAY SILICONIX SI7850DP
D1, D2: DIODES, INC SBM540
CC
330k
100k
1M
0.01µF
4.7µF
2
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
383k
47k
28.7k
375kHz
1%
Buck-Boost LED Driver for Automotive
INTV
DESCRIPTION
36V, 1A (I
Dual 1.5A (I
Quad Output 1.5A, 36V, 2MHz High Current
LED Driver with 1000:1 Dimming
3A, 42V, 3MHz Boost, Buck-Boost, Buck LED Driver
4.5A, 42V, 2.5MHz High Current LED Driver with
3000:1 Dimming
Dual 1.3A, 2MHz High Current LED Driver
Triple 0.75A, 2.1MHz, 45V LED Driver
1.3A, 2.5MHz, 45V LED Driver
2.3A, 2.5MHz, 45V LED Driver
100V
High Current LED Controller
CC
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
RT
V
REF
C
10k
V
0.01µF
IN
IN
●
LT3755-2
, 100V
FAX: [phone]
GND
V
GND
LTC4440-5
CC
LED
PWMOUT
LED
INTV
), 2MHz, Step-Down LED Driver
SENSE
OUT
BOOST
GATE
), 36V, 2MHz Step-Down LED Driver
ISP
ISN
INP
FB
TG
CC
TS
LED Controller
4.7µF
INTV
CC
●
M1
M2
0.025
22µF
www.linear.com
D1
D2
0.22µF
0.1
40k
1M
37551 TA05a
1A
4.7µF
COMMENTS
V
I
V
I
V
I
V
I
V
I
V
I
V
I
V
I
V
I
V
I
V
I
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 4V to 36V, V
: 4V to 36V, V
: 2.8V to 16V, V
: 2.5V to 25V, V
: 2.8V to 36V, V
: 2.5V to 24V, V
: 3V to 30V, V
: 3V to 30V, V
: 3V to 30V, V
: 6V to 100V, V
: 3V to 36V, V
< 1µA, TSSOP16E Package
< 1µA, TSSOP20E Package
< 10µA, 5mm × 7mm QFN Package
< 1µA, QFN and TSSOP20E Packages
< 3µA, TSSOP16E Package
< 1µA, 5mm × 3mm DFN and TSSOP16E Packages
< 1µA, 4mm × 5mm QFN and TSSOP16E Packages
< 1µA, 4mm × 4mm QFN and TSSOP16E Packages
< 1µA, 4mm × 4mm QFN and TSSOP16E Packages
< 1µA, 3mm × 3mm QFN-16 and MS16E Packages
< 20µA, 5mm × 4mm QFN10 and TSSOP16E Packages
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
100
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
96
92
88
84
80
0
= 13.5V, True Color PWM Dimming = 400:1,
= 13.5V, True Color PWM Dimming = 3000:1,
= 45V, Dimming = 3000:1,
= 45V, Dimming = 3000:1,
= 45V, Dimming = 3000:1,
= Ext FET, True Color PWM Dimming = 3000:1,
= 100V, True Color PWM Dimming = 3000:1,
= 36V, True Color PWM Dimming = 1000:1,
= 36V, True Color PWM Dimming = 1000:1,
= 40V, Dimming = Analog/PWM,
= 42V, True Color PWM Dimming = 3000:1,
Efficiency vs V
10
V
 LINEAR TECHNOLOGY CORPORATION 2008
IN
20
(V)
IN
30
LT 0310 REV D • PRINTED IN USA
37551 TA05b
40
37551fd