MAX6947ATE+T Maxim Integrated Products, MAX6947ATE+T Datasheet - Page 5

• Manufacturer Part Number: MAX6947ATE+T
• Description: IC LED DRIVER LINEAR 16-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Linear (I²C Interface)r

Specifications of MAX6947ATE+T

• Constant Current: Yes
• Topology: Open Drain, PWM
• Number Of Outputs: 10
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: RGB, White LED
• Frequency: 400kHz
• Voltage - Supply: 2.25 V ~ 3.6 V
• Voltage - Output: 7V
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Number Of Segments: 3
• Low Level Output Current: 21.12 mA
• Operating Supply Voltage: 2.25 V to 3.6 V
• Maximum Supply Current: 60 uA
• Maximum Power Dissipation: 1176 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details

(T
A
= +25°C, unless otherwise noted.)
2.0
1.6
1.2
0.8
0.4
4.0
3.6
3.2
2.8
2.4
2.0
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40 -25 -10 5 20 35 50 65 80 95 110 125
DELTA SUPPLY CURRENT (I
V
STANDBY CURRENT (I
DD
V
DD
= 3.6V
vs. TEMPERATURE
vs. TEMPERATURE
= 2.25V
TEMPERATURE (°C)
10-Port, Constant-Current LED Driver and
TEMPERATURE (°C)
I/O Expander with PWM Intensity Control
_______________________________________________________________________________________
V
V
V
V
DD
DD
DD
DD
V
= 3.6V
= 3.3V
= 2.7V
= 3.3V
DD
24
20
16
12
= 2.7V
8
4
0
STBY
V
0
DD
DD20
= 2.25V
)
OUTPUT SINKING CURRENT
)
vs. V
1
EXT
V
EXT
2
- V
- V
LED
LED
25
20
15
10
15
12
5
0
9
6
3
0
3
(V)
AT 20mA
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40 -25 -10 5 20 35 50 65 80 95 110 125
DELTA SUPPLY CURRENT (I
4
V
DD
V
SUPPLY CURRENT (I
DD
vs. TEMPERATURE
= 2.25V
vs. TEMPERATURE
= 3.6V
V
TEMPERATURE (°C)
TEMPERATURE (°C)
DD
5
V
= 3.6V
DD
= 2.7V
V
V
DD
DD
Typical Operating Characteristics
V
DD
= 2.7V
= 3.3V
V
DD
= 2.25V
STAGGER PWM PORT WAVEFORMS
= 3.3V
(OUTPUT REGISTERS SET TO 0x80)
DD
DD20
)
)
1ms/div
25
20
15
10
14
12
10
5
0
8
6
4
2
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
0
MAX6946/47 toc08
OUTPUT SINKING CURRENT
STANDBY CURRENT (I
1
vs. V
vs. TEMPERATURE
TEMPERATURE (°C)
V
EXT
DD
V
V
DD
PORT P0
2V/div
PORT P4
2V/div
PORT P7
2V/div
EXT
2
= 3.6V
- V
= 2.7V
- V
LED
LED
3
(V)
AT 10mA
V
V
DD
DD
= 3.3V
RST
= 2.25V
4
)
5
5