MAX1916EZT-T Maxim Integrated Products, MAX1916EZT-T Datasheet - Page 3

• Manufacturer Part Number: MAX1916EZT-T
• Description: LED Drivers Low-Dropout Linear C urrent Regulator for
• Manufacturer: Maxim Integrated Products

Specifications of MAX1916EZT-T

• Number Of Segments: 3
• Low Level Output Current: 60000 uA (Min)
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Power Dissipation: 727 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Minimum Operating Temperature: - 40 C

(V
EN
100
25
20
15
10
10
5
0
1
= 3.3V, V
10
2
V
CTRL
= 2.5V
CTRL
3
V+ BIAS VOLTAGE
LED CURRENT vs.
V+ BIAS VOLTAGE (V)
V
LED CURRENT
CTRL
= 3.3V, R
vs. R
R
_______________________________________________________________________________________
= 5.0V
SET
LED1
LED2
LED3
4
V
(kΩ)
SET
CTRL
UNMATCHED LEDS
= 1.8V
SET
V
CTRL
5
= 24.9kΩ, V+ = 5V, T A = +25°C, unless otherwise noted.) (Circuit of Figure 1)
= 3.3V
100
6
Low-Dropout, Constant-Current
60
50
40
30
20
10
20
15
10
0
5
0
1.5
2.0
A: R
B: R
C: R
D: R
E: R
F: R
G: R
Triple White LED Bias Supply
SET
SET
SET
SET
SET
SET
SET
2.0
2.5
= 47kΩ
= 68kΩ
= 10kΩ
= 15kΩ
= 22kΩ
= 33kΩ
= 100kΩ
vs. V
2.5
3.0
V
LED CURRENT (I
EN
OUTPUT CURRENT
EN
SUPPLY VOLTAGE (V)
3.0
3.5
vs. V
SUPPLY VOLTAGE
V
CTRL
A
3.5
4.0
CTRL
(V)
Typical Operating Characteristics
4.0
4.5
B
LED
C
D
F
E
4.5
5.0
)
G
5.0
5.5
5.5
6.0
20.0
19.9
19.8
19.7
19.6
19.5
300
250
200
150
100
50
0
-40
0
5
-15
LED DROPOUT VOLTAGE
10
LED CURRENT vs.
LED CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE
vs. CURRENT
15
10
20
35
25
30
60
35
40
85
3