LT3592EDDB#TRMPBF Linear Technology, LT3592EDDB#TRMPBF Datasheet - Page 5

• Manufacturer Part Number: LT3592EDDB#TRMPBF
• Description: IC LED DRVR HP CONST CURR 10-DFN
• Manufacturer: Linear Technology
• Type: High Power, Constant Currentr

Specifications of LT3592EDDB#TRMPBF

• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive
• Type - Secondary: White LED
• Frequency: 400kHz ~ 2.2MHz
• Voltage - Supply: 3.6 V ~ 36 V
• Voltage - Output: 20V
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 50mA, 500mA
• Internal Switch(s): Yes
• Led Driver Application: Automotive, Industrial Lighting
• No. Of Outputs: 1
• Output Current: 500mA
• Output Voltage: 30V
• Input Voltage: 3.6V To 36V
• Dimming Control Type: PWM
• Rohs Compliant: Yes
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Number Of Segments: 2
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: DFN EP
• Pin Count: 10
• Mounting: Surface Mount
• Operating Supply Voltage (max): 36V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LT3592EDDB#TRMPBFTR

TYPICAL PERFORMANCE CHARACTERISTICS
2500
2000
1500
1000
500
3.4
3.3
3.2
3.1
0
–50
600
Undervoltage Lockout
vs Temperature
Frequency Foldback
R
T
= 48.7k
800
1000 1200 1400 1600 1800
0
SHDN VOLTAGE (mV)
TEMPERATURE (°C)
Operating Waveforms
50
100
500ns/DIV
2000
3592 G10
3592 G13
2200
150
2300
2100
1900
1700
1500
1300
1100
3592 G16
900
700
500
300
1.4
1.3
1.2
1.1
0.9
0.8
0.7
0.6
0.5
1
–50
0
Switching Frequency
vs Temperature
Switch Current Limit
V
5V/DIV
V
10mV/DIV
AC-COUPLED
I
500mA/DIV
L
SW
CAP
–30 –10
20
TEMPERATURE (°C)
10
DUTY CYCLE (%)
40
30
R
R
R
50
T
T
T
60
= 48.7k
= 140k
= 357k
70
90
80
Operating Waveforms,
Discontinuous Mode
110
3592 G11
3592 G14
(T
A
130
100
= 25°C, unless otherwise noted)
500ns/DIV
1400
1200
1000
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
800
600
400
200
0
–50
0.5
Current Limit During Soft Start
Switch Current Limit
–30 –10
1
TEMPERATURE (°C)
10
3592 G17
V
30
SHDN
TYPICAL
V
5V/DIV
V
10mV/DIV
AC-COUPLED
I
500mA/DIV
1.5
L
SW
CAP
50
(V)
LT3592
70
2
90 110
3592 G12
3592 G15
3592fc
5
130
2.5