MAX1583ZETB+T Maxim Integrated Products, MAX1583ZETB+T Datasheet - Page 3

• Manufacturer Part Number: MAX1583ZETB+T
• Description: IC LED DRIVR PHOTO FLASH 10-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Photo Flash LEDr

Specifications of MAX1583ZETB+T

• Constant Current: Yes
• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 750kHz ~ 1.25MHz
• Voltage - Supply: 2.6 V ~ 5.5 V
• Voltage - Output: 24V
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 250mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Number Of Segments: 5
• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 1: All units are 100% production tested at T
(V
A
EN1 and EN2 Input High Threshold
EN1 and EN2 Input Low Threshold
EN1 and EN2 Input Leakage
LX On-Resistance
LX Leakage
Operating Frequency
Maximum Duty Cycle
Minimum Duty Cycle
IN
IN
= +25°C. Note 1)
= V
= 3.3V, C
90
80
70
60
50
40
30
20
10
0
3.0
EN1
A: MAX1583X
B: MAX1583Y
C: MAX1583Z
EFFICIENCY vs. INPUT VOLTAGE
= 3.0V, V
RES
PARAMETER
3.3
INPUT VOLTAGE (V)
= 10µF, MAX1583Y, 4 LEDs in a 2 x 2 array, T
(MOVIE MODE)
_______________________________________________________________________________________
EN2
3.6
= 0V, V
I
LOAD
3.9
OUT
= 30mA
C
B
A
= 20V, C
4.2
V
V
EN_ = IN
I
V
T
T
Switching
Pulse skipping
LX
A
A
IN
IN
LX
= 0°C to +85°C
= -40°C to +85°C
= 200mA
700
600
500
400
300
200
100
= 2.6V to 5.5V
= 2.6V to 5.5V
A
OUT
= 28V
0
= +25°C. Limits over the operating temperature range are guaranteed by design.
2.5
MAXIMUM BOOST OUTPUT CURRENT
A: 1 LED
B: 2 LEDs
C: 3 LEDs
D: 4 LEDs
= 10µF, T
vs. INPUT VOLTAGE (MAX1583X)
3.0
CONDITIONS
3.5
A
A
White LED Camera-Flash
= +25°C, unless otherwise noted.)
= -40°C to +85°C, unless otherwise noted. Typical values are at
T
T
T
T
V
A
A
A
A
IN
4.0
= +25°C
= +85°C
= +25°C
= +85°C
(V)
Typical Operating Characteristics
4.5
5.0
C
D
B
A
5.5
Boost Converter
600
500
400
300
200
100
0
2.5
MIN
0.75
1.6
0.8
90
MAXIMUM BOOST OUTPUT CURRENT
A: 1 LED
B: 2 LEDs
C: 3 LEDs
D: 4 LEDs
vs. INPUT VOLTAGE (MAX1583Y)
3.0
TYP
0.01
0.01
0.1
1.3
0.1
1.0
3.5
94
0
V
IN
4.0
(V)
MAX
2.25
1.25
0.6
1.2
1
5
4.5
5.0
UNITS
MHz
µA
µA
%
%
Ω
V
V
B
C
A
D
5.5
3