MAX1848ETA+T Maxim Integrated Products, MAX1848ETA+T Datasheet - Page 9

• Manufacturer Part Number: MAX1848ETA+T
• Description: IC LED DRIVR WHITE BCKLGT 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1848ETA+T

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1MHz ~ 1.5MHz
• Voltage - Supply: 2.6 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 500mA
• Internal Switch(s): Yes
• Efficiency: 87%
• Number Of Segments: 3
• Operating Supply Voltage: 2.6 V to 5.5 V
• Maximum Power Dissipation: 1951 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Details

(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9
© 2005 Maxim Integrated Products
-DRAWING NOT TO SCALE-
-DRAWING NOT TO SCALE-
White LED Step-Up Converter in SOT23
PIN 1
INDEX
AREA
PACKAGE VARIATIONS
PKG. CODE
T633-1
T633-2
T833-1
T833-2
T833-3
T1033-1
T1433-1
T1433-2
SYMBOL
COMMON DIMENSIONS
A
A1
A2
D
E
L
k
10
14
14
N
6
6
8
8
8
MIN.
0.70
2.90
2.90
0.00
0.20
0.25 MIN.
0.20 REF.
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.70±0.10
1.70±0.10
D
MAX.
D2
0.80
3.10
3.10
0.05
0.40
Printed USA
2.30±0.10
2.30±0.10
2.30±0.10
2.30±0.10
2.30±0.10
2.30±0.10
2.30±0.10
2.30±0.10
E2
E
0.95 BSC
0.95 BSC
0.65 BSC
0.65 BSC
0.65 BSC
0.50 BSC
0.40 BSC
0.40 BSC
A
e
A1
MO229 / WEED-3
MO229 / WEEA
MO229 / WEEC
MO229 / WEEC
MO229 / WEEC
MO229 / WEEA
JEDEC SPEC
- - - -
- - - -
DETAIL A
A2
is a registered trademark of Maxim Integrated Products, Inc.
E2
0.40±0.05
0.40±0.05
0.30±0.05
0.30±0.05
0.30±0.05
0.25±0.05
0.20±0.05
0.20±0.05
Package Information (continued)
b
b
L
N
[(N/2)-1] x e
1.90 REF
1.90 REF
1.95 REF
1.95 REF
1.95 REF
2.00 REF
2.40 REF
2.40 REF
L C
e
0.35x0.35
PACKAGE OUTLINE, 6,8,10 & 14L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
PACKAGE OUTLINE, 6,8,10 & 14L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
DOWNBONDS
ALLOWED
D2
YES
YES
NO
NO
NO
NO
NO
NO
k
21-0137
21-0137
e
L C
PIN 1 ID
e
[(N/2)-1] x e
REF.
G
G
L
1
2
2
2