LT1932ES6#TR Linear Technology, LT1932ES6#TR Datasheet - Page 3

• Manufacturer Part Number: LT1932ES6#TR
• Description: IC LED DRIVR WHITE BCKLGT TSOT-6
• Manufacturer: Linear Technology
• Type: Backlight, White LEDr

Specifications of LT1932ES6#TR

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.6MHz
• Voltage - Supply: 1 V ~ 10 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-6, TSOT-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 40mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LT1932ES6TR

TYPICAL PERFOR A CE CHARACTERISTICS
2.00
1.25
1.00
0.75
0.50
1.75
1.50
0.25
400
350
300
250
200
150
100
400
350
300
250
200
150
100
50
50
0
0
0
– 50
0
0
Quiescent Current
Switch Saturation Voltage (V
LED Pin Voltage
– 25
5
T
100
J
= 25 C
10
SWITCH CURRENT (mA)
0
TEMPERATURE ( C)
LED CURRENT (mA)
200
T
J
15
= 125 C
25
T
J
300
20
= 25 C
V
50
V
IN
IN
T
25
J
= 1.2V
= 10V
400
= 125 C
T
T
J
75
J
= –50 C
= –50 C
30
W
500
100
CESAT
35
1932 G07
1932 G01
1932 G04
U
125
600
40
)
700
400
600
500
300
200
100
50
45
40
35
30
25
20
15
10
50
45
40
35
20
15
10
30
25
0
5
0
5
0
–50
– 50
0
SHDN Pin Current
Switch Current Limit
LED Current
–25
– 25
V
2
IN
SHDN PIN VOLTAGE (V)
= 10V
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
R
R
R
R
4
25
SET
SET
SET
SET
25
= 562
= 750
= 1.50k
= 4.53k
V
IN
50
50
= 1.2V
6
T
T
75
75
J
J
T
= 125 C
= –50 C
J
= 25 C
8
100
100
1932 G02
1932 G05
1932 G08
125
125
10
AC COUPLED
200mA/DIV
20mV/DIV
10mA/DIV
10V/DIV
V
V
I
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
OUT
LED
50
45
40
35
30
25
20
15
10
SW
I
L1
0
5
0
–50
0
Switching Frequency
LED Current
Switching Waveforms
V
4 WHITE LEDs
I
CIRCUIT ON FIRST PAGE
OF THIS DATA SHEET
LED
IN
= 3V
= 15mA
–25
2
0
TEMPERATURE ( C)
INPUT VOLTAGE (V)
R
R
R
R
4
SET
25
SET
SET
SET
0.5 s/DIV
= 4.53k
= 562
= 750
= 1.50k
50
6
V
V
LT1932
IN
IN
75
= 1.2V
= 10V
8
100
1932 G03
1932 G06
3
1093 G09
1932f
125
10