LT3595 LINER [Linear Technology], LT3595 Datasheet - Page 3

• Manufacturer Part Number: LT3595
• Description: 16 Channel Buck Mode LED Driver
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
GND = 0V, unless otherwise noted.
PARAMETER
V
V
V
I
I
I
I
I
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch V
Switch Leakage Current
Schottky Forward Drop
Schottky Leakage Current
⎯ S ⎯ H ⎯ D ⎯ N , PWM1-16 Input Low Voltage
⎯ S ⎯ H ⎯ D ⎯ N , PWM1-16 Input High Voltage
⎯ S ⎯ H ⎯ D ⎯ N Pin Bias Current
PWM1-16 Pin Bias Current
⎯ O ⎯ P ⎯ E ⎯ N ⎯ L ⎯ E ⎯ D Pin Voltage
⎯ O ⎯ P ⎯ E ⎯ N ⎯ L ⎯ E ⎯ D Pin Input Leakage Current
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
VIN
VIN
VCC
VCC
L1-16
IN
CC
CC
Operating Voltage
Operating Voltage
Input Under Voltage Lockout
Quiescent Current ON, No Switching
Quiescent Current in Shutdown
Quiescent Current ON, No Switching
Quiescent Current in Shutdown
Output Current Accuracy
CESAT
CONDITIONS
V
V
V
V
R
ISW1-16 = 50mA
VSW1-16 = 45V
I
V
⎯ S ⎯ H ⎯ D ⎯ N = 3.3V
PWM1-16 = 3.3V
V
⎯ O ⎯ P ⎯ E ⎯ N ⎯ L ⎯ E ⎯ D = 3.3V
SCHOTTKY
IN
IN
CC
CC
IN
CC
SET
A
= 45V
= 45V, ⎯ S ⎯ H ⎯ D ⎯ N = 0V
= 45V, V
= 25°C, V
= 3.3V
= 3.3V, ⎯ S ⎯ H ⎯ D ⎯ N = 0V
= 3.3V, I
= 75.0kΩ
The
= 50mA
SW1-16
⎯ O ⎯ P ⎯ E ⎯ N ⎯ L ⎯ E ⎯ D
●
IN
denotes the specifi cations which apply over the full operating
= 45V, V
= 0.7V, ⎯ S ⎯ H ⎯ D ⎯ N = 0V
= 200μA
Note 2: The LT3595 is guaranteed to meet performance specifi cations
from 0°C to 85°C junction temperature. Specifi cations over the –40°C
to 85°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls.
CC
= 3.3V, PWM = ⎯ S ⎯ H ⎯ D ⎯ N = ⎯ O ⎯ P ⎯ E ⎯ N ⎯ L ⎯ E ⎯ D = 3.3V, R
●
●
MIN
18.4
4.5
1.6
1.6
78
90
3
0.25
0.12
TYP
120
450
2.6
0.1
0.8
0.1
0.1
0.1
15
17
20
83
35
3
2
LT3595
MAX
SET
21.6
150
5.5
2.9
2.4
0.4
40
10
6
4
1
1
= 75k
Ω
UNITS
3
MHz
3595f
,
mA
mA
mA
mA
mV
μA
μA
μA
μA
μA
μA
μA
%
V
V
V
V
V
V
V