MAX8607 Maxim Integrated Products, MAX8607 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS (continued)
(V
noted.) (Note 1)
(Circuit of Figure 2, V
Note 1: All devices are production tested at T
Note 2: For temperatures below the thermal derating start point.
COMP Input Resistance to GND
LED T
LED T
EN1 and EN2 Logic-High Input Voltage
EN1 and EN2 Logic-Low Input Voltage
EN1 and EN2 Logic Input Bias Current
LX n-Channel On-Resistance
LX p-Channel On-Resistance
LX Leakage
Operating Frequency
Maximum Duty Cycle
Minimum Duty Cycle
EN1
4000
3500
3000
2500
2000
1500
1000
500
0
= V
2.7
A
A
Derating Function Threshold
Derating Function Slope
zation and not production tested.
FLASH-MODE BATTERY CURRENT
EN2
3.1
R
FLSH
= 5V, V
vs. INPUT VOLTAGE
3.5
PARAMETER
= 2kΩ
INPUT VOLTAGE (V)
R
FLSH
3.9
_______________________________________________________________________________________
IN
OUT
= 3.01kΩ
= V
R
4.3
FLSH
= V
EN1
R
= 4.02kΩ
FLSH
4.7
OUTS
= 3.6V, V
1MHz PWM Boost Converter for 1.5A
= 8.06kΩ
5.1
= 4V, C
5.5
EN2
OUT
= 0V, T
A
= +25°C. Specifications over temperature are guaranteed by design and characteri-
600
500
400
300
200
100
= 10µF, T
During shutdown or UVLO
Temperature when the LED current derating
function begins
T
V
V
V
I
I
V
LX
LX
0
A
OUTS
OUTS
EN_
LX
2.7
A
= +40°C to +85°C
= 200mA
= 200mA
= 5.5V
= +25°C, unless otherwise noted.)
MOVIE-MODE BATTERY CURRENT
= 5.5V
3.1
= 2.7V to 5.5V
= 2.7V to 5.5V
A
vs. INPUT VOLTAGE
3.5
= -40°C to +85°C. Typical values are at T
INPUT VOLTAGE (V)
White LED Camera Flash
CONDITIONS
3.9
4.3
Typical Operating Characteristics
T
T
T
T
A
A
A
A
R
R
R
MOV
MOV
MOV
= +25°C
= +85°C
= +25°C
= +85°C
4.7
= 2.00kΩ
= 3.57kΩ
= 6.49kΩ
5.1
5.5
100
98
96
94
92
90
88
86
84
82
80
MIN
10
1.4
0.8
65
INCLUDES 83mA LED CURRENT
vs. LOAD CURRENT (DISCO MODE)
BOOST CONVERTER EFFICIENCY
A
= +25°C, unless otherwise
-1.67
TYP
0.01
0.03
0.01
0.03
+40
140
100
1.0
50
75
LOAD CURRENT (mA)
4
100
MAX
250
100
200
0.4
1.2
1
1
8
UNITS
%/°C
MHz
mΩ
mΩ
°C
µA
µA
%
%
Ω
V
V
1000
3