MAX1583ZETB+T Maxim Integrated Products, MAX1583ZETB+T Datasheet - Page 4

• 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

White LED Camera-Flash
Boost Converter
(V
4
450
400
350
300
250
200
150
100
IN
50
0
_______________________________________________________________________________________
= 3.3V, C
2.5
MAXIMUM BOOST OUTPUT CURRENT
A: 1 LED
B: 2 LEDs
C: 3 LEDs
D: 4 LEDs
vs. INPUT VOLTAGE (MAX1583Z)
AC-COUPLED
3.0
RES
3.5
V
2500
2000
1500
1000
OUT
V
500
LX
I
= 10µF, MAX1583Y, 4 LEDs in a 2 x 2 array, T
L
0
STROBE STANDBY-MODE INPUT CURRENT
V
2.5
vs. INPUT VOLTAGE (PRECHARGE DONE)
IN
4.0
(V)
SWITCHING WAVEFORMS DURING
3.0
4.5
PRECHARGE MODE
INPUT VOLTAGE (V)
3.5
5.0
MAX1583Z
MAX1583X
1μs/div
A
B
C
4.0
D
5.5
MAX1583Y
4.5
MAX1583 toc09
5.0
350
300
250
200
150
100
Typical Operating Characteristics (continued)
50
0
2
5.5
500mA/div
500mV/div
10V/div
STROBE-MODE LED CURRENT
4
vs. STB RESISTANCE
A
6
= +25°C, unless otherwise noted.)
R
STB
(kΩ)
AC-COUPLED
AC-COUPLED
8
V
V
OUT
V
OUT
V
10
LX
LX
I
I
L
L
12
SWITCHING WAVEFORMS IN
SWITCHING WAVEFORMS IN
STANDBY MODE
MOVIE MODE
120
100
80
60
40
20
4ms/div
4μs/div
0
0
MOVIE-MODE LED CURRENT
2
vs. MOV RESISTANCE
MAX1583 toc10
MAX1583 toc08
4
R
MOV
6
(kΩ)
500mA/div
500mV/div
10V/div
200mA/div
50mV/div
5V/div
8
10
12