MAX1575ETE+ Maxim Integrated Products, MAX1575ETE+ Datasheet - Page 7
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MAX1575ETE+
Manufacturer Part Number
MAX1575ETE+
Description
IC LED DRVR WHITE BCKLGT 16-TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LEDr
Datasheet
1.MAX1575ETET.pdf
(9 pages)
Specifications of MAX1575ETE+
Constant Current
Yes
Topology
Linear (LDO), Switched Capacitor (Charge Pump)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
1MHz
Voltage - Supply
2.7 V ~ 5.5 V
Voltage - Output
5V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
30mA
Internal Switch(s)
Yes
Efficiency
85%
Number Of Segments
6
Low Level Output Current
30 mA
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Supply Current
2 mA
Maximum Power Dissipation
1349 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 2. Functional Diagram and Typical Application Circuit
2.7V TO 5.5V
AND DIMMING
AND DIMMING
MAIN ENABLE
SUB ENABLE
R
SET
C
1μF
IN
IN
ENM
ENS
GND
SET
_______________________________________________________________________________________
CURRENT MIRROR
ERROR
AMP2
CONTROL AND
MAIN CONTROL
CONTROLLED
REFERENCE
SUB CONTROL
0.18V
0.6V
C1P
1x/1.5x REGULATING CHARGE PUMP
White LED 1x/1.5x Charge Pump
1μF
C1
ERROR
C1N
AMP1
C2P
for Main and Sub-Displays
SELMIN
1μF
C2
C2N
OVD
1.25V
LED1
LED2
LED3
LED4
LED5
LED6
OUT
C
1μF
OUT
D1
D2
D3
D4
D5
D6
7