MAX17062 Maxim Integrated Products, MAX17062 Datasheet - Page 4

• Manufacturer Part Number: MAX17062
• Description: TFT-LCD Step-Up DC-DC Converter
• Manufacturer: Maxim Integrated Products

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TFT-LCD Step-Up DC-DC Converter
ELECTRICAL CHARACTERISTICS (continued)
(V
(Circuit of Figure 1. V
4
Note 1: Limits are 100% tested at T
CONTROL INPUTS
IN
100
90
80
70
60
50
_______________________________________________________________________________________
= V
1
, FREQ Input Low Voltage
, FREQ Input High Voltage
SHDN
f
OSC
EFFICIENCY vs. LOAD CURRENT
L = 4.7μH
PARAMETER
= 640kHz
= 3V, FREQ = 3V, T
(V
IN
LOAD CURRENT (mA)
10
= 5V, V
IN
f
OSC
= 5V, V
L = 2.7μH
OUT
1400
1300
1200
1100
1000
900
800
700
600
500
= 1.2MHz
= 15V)
100
2.5
MAIN
A
3.0
SWITCHING FREQUENCY
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
= 15V, T
V
V
vs. INPUT VOLTAGE
= +25°C. Maximum and minimum limits over temperature are guaranteed by design.
IN
IN
1000
INPUT VOLTAGE (V)
3.5
= 2.6V to 5.5V
= 2.6V to 5.5V
FREQ = GND
FREQ = IN
4.0
A
= +25°C, unless otherwise noted.)
100
90
80
70
60
50
4.5
1
EFFICIENCY vs. LOAD CURRENT
5.0
f
OSC
L = 4.7μH
CONDITIONS
(V
= 640kHz
IN
5.5
LOAD CURRENT (mA)
10
= 3.3V, V
f
OUT
OSC
Typical Operating Characteristics
L = 2.7μH
100
= 1.2MHz
= 9V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1000
2.5
3.0
vs. SUPPLY VOLTAGE
-0.5
-1.0
1.0
0.5
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
0
3.5
NONSWITCHING
SWITCHING
1
0.7
MIN
V
IN
4.0
LOAD REGULATION
4.5
LOAD CURRENT (mA)
TYP
10
(V
OUT
5.0
= 15V)
V
IN
MAX
0.3
5.5
V
= 3.3V
100
IN
V
IN
= 5.0V
UNITS
V
V
1000