MAX8630ZETD18+T Maxim Integrated Products, MAX8630ZETD18+T Datasheet - Page 4

• Manufacturer Part Number: MAX8630ZETD18+T
• Description: LED Drivers 125mA 1x/1.5x Charge Pump for 5 WLEDs
• Manufacturer: Maxim Integrated Products

Specifications of MAX8630ZETD18+T

• Number Of Segments: 5
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 1.4 mA
• Maximum Power Dissipation: 1454 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TDFN-14
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

125mA 1x/1.5x Charge Pumps for 5 White LEDs
in 3mm x 3mm TDFN
(V
4
IN
160
140
120
100
_______________________________________________________________________________________
= 3.6V, ENM = ENS = IN, T
80
60
40
20
0
2.7
INPUT CURRENT vs. INPUT VOLTAGE
I
I
LED
I
LED
LED
= 1.875mA
= 8.125mA
= 20mA
3.0
DRIVING 2 SUB LEDs
INPUT VOLTAGE (V)
2.80
2.70
2.60
2.50
2.40
2.30
2.20
2.10
2.00
V
3.3
OUT
V
I
IN
IN
2.7
LED CURRENT MATCHING vs. INPUT
1x MODE OPERATING WAVEFORMS
3.6
3.1
VOLTAGE (2.5mA/LED)
V
A
IN
3.5
INPUT VOLTAGE (V)
FALLING
3.9
= +25°C, unless otherwise noted.)
(V
3.9
IN
1μs/div
= 4.0V)
4.2
4.3
4.7
MAX8630Y/Z toc09
140
120
100
Typical Operating Characteristics (continued)
80
60
40
20
0
5.1
2.7
INPUT RIPPLE VOLTAGE vs. SUPPLY
20mA/LED
2mA/LED
8mA/LED
5.5
VOLTAGE DRIVING 5 WHITE LEDs
15mA/LED
200mV/div
(AC-COUPLED)
200mV/div
(AC-COUPLED)
100mA/div
INPUT VOLTAGE (V)
3.2
V
140
120
100
OUT
V
80
60
40
20
I
3.7
IN
0
IN
-40
1.5x MODE OPERATING WAVEFORMS
OUTPUT CURRENT vs. TEMPERATURE
-15
(5 LEDs AT 25mA EACH)
4.2
TEMPERATURE (°C)
(V
10
IN
1μs/div
TEMPERATURE
DERATING
= 3.6V)
28
27
26
25
24
23
22
21
20
35
2.7
LED CURRENT MATCHING vs. INPUT
MAX8630Y/Z toc10
3.1
60
VOLTAGE (25mA/LED)
3.5
INPUT VOLTAGE (V)
85
200mV/div
(AC-COUPLED)
200mV/div
(AC-COUPLED)
100mA/div
3.9
4.3
4.7
5.1
5.5