LT3466EFE Linear Technology, LT3466EFE Datasheet - Page 2

• Manufacturer Part Number: LT3466EFE
• Description: IC,Laser Diode/LED Driver,TSSOP,16PIN,PLASTIC
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
Input Voltage (V
SW1, SW2 Voltages ................................................ 44V
V
CTRL1, CTRL2 Voltages ........................................... 24V
FB1, FB2, R
Operating Temperature Range (Note 2) ... –40°C to 85°C
LT3466
Consult LTC Marketing for parts specified with wider operating temperature ranges.
range, otherwise specifications are at T
PARAMETER
Minimum Operating Voltage
Maximum Operating Voltage
FB1 Voltage
FB2 Voltage
Offset Voltage (V
FB1 Pin Bias Current
FB2 Pin Bias Current
Quiescent Current
Switching Frequency
Oscillator Frequency Range
Nominal R
Maximum Duty Cycle
PACKAGE/ORDER I FOR ATIO
2
OUT1
T
V
V
JMAX
OUT1
SW1
SW2
OUT2
10-LEAD (3mm × 3mm) PLASTIC DFN
, V
V
IN
T
= 125°C, θ
OUT2
EXPOSED PAD (PIN 11) IS GND
MUST BE SOLDERED TO PCB
Pin Voltage
1
2
3
4
5
T
OS
Voltages ................................................ 2V
Voltages ............................................. 44V
DD PACKAGE
TOP VIEW
JA
) Between FB1 and FB2 Voltages
IN
= 43°C/W, θ
11
) ................................................... 24V
W
JC
10
9
8
7
6
= 2.96°C/W
FB1
CTRL1
R
CTRL2
FB2
W W
T
U
A
= 25°C. V
DD PART MARKING
ORDER PART
W
LT3466EDD
CONDITIONS
V
V
V
V
CTRL1 = CTRL2 = 0V
R
(Note 4)
R
R
R
R
NUMBER
OS
FB1
FB2
FB1
T
T
T
T
T
U
= 48.7k
= 48.7k
= 48.7k
= 20.5k
= 267k
LBBH
IN
= |FB1 – FB2|
= 0.2V (Note 3)
= 0.2V (Note 3)
= V
= 3V, V
FB2
= 0.3V
The
U
CTRL1
(Note 1)
●
denotes specifications that apply over the full operating temperature
= 3V, V
Maximum Junction Temperature ......................... 125°C
Storage Temperature Range
Lead Temperature (Soldering, 10 sec, TSSOP) ..... 300°C
T
JMAX
V OUT1
DFN .................................................. –65°C to 125°C
TSSOP .............................................. –65°C to 150°C
V
CTRL2
SW1
SW2
OUT2
GND
GND
V
NC
= 125°C, θ
IN
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
16-LEAD PLASTIC TSSOP
= 3V, unless otherwise specified.
1
2
3
4
5
6
7
8
JA
FE PACKAGE
TOP VIEW
= 38°C/W, θ
17
JC(PAD)
16
15
14
13
12
11
10
9
●
●
●
GND
FB1
CTRL1
NC
R
CTRL2
FB2
GND
= 10°C/W
T
MIN
192
192
200
2.7
0.8
90
0
FE PART MARKING
0.54
TYP
200
200
1.5
10
10
16
96
92
99
5
1
ORDER PART
LT3466EFE
NUMBER
3466EFE
2000
MAX
208
208
7.5
7.5
1.2
24
50
50
25
UNITS
3466fa
MHz
kHz
mV
mV
mV
mA
nA
nA
µA
%
%
%
V
V
V