MAX8631YETI+ Maxim Integrated Products, MAX8631YETI+ Datasheet - Page 7
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MAX8631YETI+
Manufacturer Part Number
MAX8631YETI+
Description
IC LED DRVR WHITE BCKLGT 28-TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LED (Serial Interface)r
Datasheet
1.MAX8631YETIT.pdf
(15 pages)
Specifications of MAX8631YETI+
Constant Current
Yes
Topology
Linear (LDO), Switched Capacitor (Charge Pump)
Number Of Outputs
8
Internal Driver
Yes
Type - Primary
Backlight, Flash/Torch
Type - Secondary
White LED
Frequency
1MHz
Voltage - Supply
2.7 V ~ 5.5 V
Voltage - Output
5V
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
200mA
Internal Switch(s)
Yes
Efficiency
85%
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Supply Current
5.5 mA
Maximum Power Dissipation
1666 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(V
IN
= V
EN_
1x/1.5x/2x White LED Charge Pump with Two
= 3.6V, circuit of Figure 1, T
V
V
ENM1,
ENM2
V
I
-0.2
-0.4
-0.6
-0.8
-1.0
OUT
OUT
1.0
0.8
0.6
0.4
0.2
_______________________________________________________________________________________
0
0
SINGLE-WIRE DIMMING RESPONSE
ACCURACY vs. OUTPUT CURRENT
LDO OUTPUT VOLTAGE
50
OUTPUT CURRENT (mA)
10ms/div
100
A
= +25°C, unless otherwise noted.)
V
I
LDO_
LDO_
150
LDOs in 4mm x 4mm Thin QFN
Typical Operating Characteristics (continued)
MAX8631X toc19
V
IN
- V
LOAD-TRANSIENT RESPONSE
OUT
200
= 77mV, V
5V/div
0V
500mA/div
0A
2V/div
0V
NEAR DROPOUT
10μs/div
LDO_
= 2.6V
MAX8631X toc23
V
I
140
120
100
LDO_
LDO_
80
60
40
20
0
0
50mV/div
AC-COUPLED
100mA
1mA
V
LDO_
LOAD-TRANSIENT RESPONSE
LDO DROPOUT VOLTAGE
= 2.6V
vs. OUTPUT CURRENT
50
OUTPUT CURRENT (mA)
10μs/div
100
150
MAX8631X toc22
200
50mV/div
AC-COUPLED
100mA
1mA
7