MAX8575EUT+T Maxim Integrated Products, MAX8575EUT+T Datasheet - Page 6

• Manufacturer Part Number: MAX8575EUT+T
• Description: IC CONV LCD BOOST SOT23-6
• Manufacturer: Maxim Integrated Products

Specifications of MAX8575EUT+T

• Applications: Converter, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 15V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Power Dissipation: 695.7 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 35 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-Efficiency LCD Boost
with True Shutdown
Figure 1. Functional Diagram
Figure 2. Typical Application Circuit with Adjustable Output
Voltage
Figure 4. Using a Separate Input Supply for the Inductor
6
V
V
CC
CC
ON
ON
_______________________________________________________________________________________
= 2.7V TO 5.5V
= 2.7V TO 5.5V
V
BATT
4.7μF
C3
= 0.8V TO 28V
4.7μF
1μF
1μF
OFF
OFF
C1
C3
C1
SW
V
SHDN
SW
V
SHDN
CC
CC
MAX8570
MAX8571
MAX8574
MAX8570
MAX8571
MAX8574
22μH
22μH
SHDN
L1
L1
V
CC
GND
GND
LX
FB
LX
FB
MAX8570–
MAX8575
SHUTDOWN
THERMAL
10pF
10pF
D1
C4
D1
C4
CONTROL
V
V
OUT
LOGIC
OUT
R1
R2
R1
R2
= V
= V
BATT
CC
TO 28V
TO 28V
C2
1μF
C2
1μF
ILIM
EA
Figure 3. Typical Application Circuit with 15V Preset Output
Voltage
Figure 5. Negative Output Voltage for LCD Bias
1.226V
V
CC
ON
= 2.7V TO 5.5V
V
CC
ON
4.7μF
= 2.7V TO 5.5V
1μF
OFF
C3
C1
4.7μF
1μF
OFF
C3
C1
SW
V
SHDN
CC
MAX8570
MAX8571
MAX8574
SW
V
SHDN
22μH
CC
L1
(MAX8572/MAX8573/
MAX8575 ONLY)
SW
LX
OUT
FB
(MAX8570/MAX8571/
MAX8574 ONLY)
GND
MAX8572
MAX8573
MAX8575
GND
22μH
L1
LX
FB
GND
OUT
LX
10pF
D2
C6
0.1μF
D1
C4
D3
D1
R1
V
OUT
C5
1μF
= 15V
C2
1μF
C2
1μF
R2
+V
-V
OUT
OUT