MAX8607 Maxim Integrated Products, MAX8607 Datasheet - Page 4

• Manufacturer Part Number: MAX8607
• Description: 1MHz PWM Boost Converter
• Manufacturer: Maxim Integrated Products

1MHz PWM Boost Converter for 1.5A
White LED Camera Flash
(Circuit of Figure 2, V
4
_______________________________________________________________________________________
V
V
V
OUT
V
I
OUT
V
EN2
LED
400
350
300
250
200
150
100
I
LX
IN
I
IN
50
L
0
-40
IN
(MOVIE-MODE TO FLASH TRANSITION)
= V
vs. AMBIENT TEMPERATURE
-20
SWITCHING WAVEFORMS
EN1
AMBIENT TEMPERATURE (°C)
SOFT-START RESPONSE
= 3.6V, V
(MOVIE MODE)
LED CURRENT
0
400µs/div
400ns/div
20
EN2
40
= 0V, T
MAX8607toc06
60
MAX8607toc08
Typical Operating Characteristics (continued)
A
80
= +25°C, unless otherwise noted.)
0A
0A
0V
20mV/div
10mV/div
100mA/div
5V/div
5V/div
200mA/div
500mA/div
2V/div
V
OUT(RIPPLE)
V
V
I
I
L0AD
OUT
1000
EN1
LED
I
900
800
700
600
500
400
300
200
100
IN
0
(STANDBY TO MOVIE-MODE TRANSITION)
2.7
MOVIE MODE
3.1
SOFT-START RESPONSE
IC SUPPLY CURRENT
vs. INPUT VOLTAGE
3.5
LOAD TRANSIENT
INPUT VOLTAGE (V)
(DISCO MODE)
100µs/div
FLASH MODE
DISCO MODE
3.9
2ms/div
4.3
4.7
MAX8607toc07
MAX8607toc09
5.1
5.5
0V
0A
0A
0V
700mA
100mA
500mV/div
200mA/div
100mA/div
2V/div
5V/div