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IS31LT3173-GRLS4-TR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
IS31LT3172/73
Integrated Silicon Solution, Inc. – www.issi.com 10
Rev. C, 07/01/2016
IS31LT3173
Output Voltage (V)
Output Current (mA)
0
5
10
15
20
25
30
0.523.556.589.51112.514
V
EN
= 3.3V
R
EXT
Open
T
A
= -40°C
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
Figure 17
I
OUT
vs. V
OUT
Output Voltage (V)
Output Current (mA)
0.5 2 3.5 5 6.5 8 9.5 11 12.5 14
0
50
100
150
V
EN
= 3.3V
R
EXT
= 10Ω
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
T
A
= -40°C
Figure 19
I
OUT
vs. V
OUT
0
50
100
150
200
250
300
Output Voltage (V)
Output Current (mA)
0.5 2 3.5 5 6.5 8 9.5 11 12.5 14
V
EN
= 3.3V
R
EXT
= 5.6Ω
T
A
= -40°C
T
A
= 25°C
T
A
= 125°C
T
A
= 85°C
350
Figure 21
I
OUT
vs. V
OUT
Output Voltage (V)
Output Current (mA)
0.5 2 3.5 5 6.5 8 9.5 11 12.5 14
0
20
40
60
80
V
EN
= 3.3V
R
EXT
= 20Ω
T
A
= 125°C
T
A
= 85°C
T
A
= -40°C
T
A
= 25°C
Figure 18
I
OUT
vs. V
OUT
Output Voltage (V)
Output Current (mA)
0.5 2 3.5 5 6.5 8 9.5 11 12.5 14
0
20
40
60
80
100
120
140
160
180
V
EN
= 3.3V
R
EXT
= 7.5Ω
T
A
= -40°C
T
A
= 25°C
T
A
= 125°C
T
A
= 85°C
Figure 20
I
OUT
vs. V
OUT
0
50
100
150
200
250
300
Output Voltage (V)
Output Current (mA)
02468101214
V
EN
= 3.3V
T
A
= 25°C
R
EXT
= 5.6Ω
R
EXT
= 10Ω
R
EXT
= 20Ω
R
EXT
Open
R
EXT
= 7.5Ω
Figure 22
I
OUT
vs. V
OUT
IS31LT3172/73
Integrated Silicon Solution, Inc. – www.issi.com 11
Rev. C, 07/01/2016
0
50
100
150
200
250
300
Output Voltage (V)
Output Current (mA)
02468101214
V
EN
= 5V
f
PWM
= 100Hz@1% Duty Cycle
T
A
= 25°C
R
EXT
= 5.6Ω
R
EXT
= 10Ω
R
EXT
= 20Ω
R
EXT
Open
R
EXT
= 7.5Ω
Figure 23
I
OUT
vs. V
OUT
V
EN
(V)
Output Current (mA)
0
20
40
60
80
2.5 3 3.5 4 4.5 5
V
OUT
= 2V
R
EXT
= 20Ω
T
A
= -40°C
T
A
= 125°C
T
A
= 25°C
T
A
= 85°C
Figure 25
I
OUT
vs. V
EN
V
EN
(V)
Output Current (mA)
0
25
50
75
100
125
150
175
200
V
OUT
= 2V
R
EXT
= 7.5Ω
2.5 3 3.5 4 4.5 5
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
T
A
= -40°C
Figure 27
I
OUT
vs. V
EN
V
EN
(V)
Output Current (mA)
0
4
8
12
16
20
2.5 3 3.5 4 4.5 5
V
OUT
= 2V
R
EXT
Open
T
A
= -40°C
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
Figure 24
I
OUT
vs. V
EN
V
EN
(V)
Output Current (mA)
0
30
60
90
120
150
V
OUT
= 2V
R
EXT
= 10Ω
T
A
= 125°C
T
A
= -40°C
T
A
= 25°C
T
A
= 85°C
2.5 3 3.5 4 4.5 5
Figure 26
I
OUT
vs. V
EN
0
50
100
150
200
250
300
VEN (V)
Output Current (mA)
V
OUT
= 2V
R
EXT
= 5.6Ω
2.5 3 3.5 4 4.5 5
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
T
A
= -40°C
Figure 28
I
OUT
vs. V
EN
IS31LT3172/73
Integrated Silicon Solution, Inc. – www.issi.com 12
Rev. C, 07/01/2016
0
50
100
150
200
250
300
V
EN
(V)
Output Current (mA)
2.5 3 3.5 4 4.5 5
R
EXT
= 5.6Ω
R
EXT
= 10Ω
R
EXT
= 20Ω
R
EXT
Open
V
OUT
= 2V
T
A
= 25°C
R
EXT
= 7.5Ω
Figure 29
I
OUT
vs. V
EN
V
EN
(V)
Supply Current (µA)
0
100
200
300
400
500
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
I
OUT
= 0A
R
EXT
Open
T
A
= 125°C
T
A
= 85°C
T
A
= -40°C
T
A
= 25°C
Figure 31
I
EN
vs. V
EN
Time (200ns/Div)
I
OUT
50mA/Div
V
EN
2V/Div
V
OUT
= 3V, 3 LEDs
V
EN
= 5V, 100Hz, 50% Duty Cycle
R
EXT
= 10Ω
T
J
= 25°C
Figure 33 V
EN
vs. I
OUT
Delay and Rising Edge
R
EXT
(Ω)
Output Current (mA)
0
50
100
150
200
250
110100
V
EN
= 3.3V
V
OUT
= 2V
Figure 30 I
OUT
vs. R
EXT
Time (400ns/Div)
I
OUT
50mA/Div
V
EN
2V/Div
VOUT = 3V, 3 LEDs
V
EN = 5V, 100Hz, 50% Duty Cycle
R
EXT = 10Ω
T
J = -40°C
Figure 32 V
EN
vs. I
OUT
Delay and Rising Edge
Time (400ns/Div)
I
OUT
50mA/Div
V
EN
2V/Div
V
OUT
= 3V, 3 LEDs
V
EN
= 5V, 100Hz, 50% Duty Cycle
R
EXT
= 10Ω
T
J
= 125°C
Figure 34 V
EN
vs. I
OUT
Delay and Rising Edge
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

IS31LT3173-GRLS4-TR

Mfr. #:
Buy IS31LT3173-GRLS4-TR
Manufacturer:
ISSI
Description:
LED Lighting Drivers 10 to 200mA Constant Current LED driver with PWM dimming pin
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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