MAX1779EUE+ Maxim Integrated Products, MAX1779EUE+ Datasheet - Page 7

• Manufacturer Part Number: MAX1779EUE+
• Description: IC DC-DC CONV TRPL LCD 16-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1779EUE+

• Applications: Converter, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 3
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Mounting Style: SMD/SMT
• Duty Cycle (max): 92 %
• Efficiency: 91 %
• Input / Supply Voltage (max): 5.5 V
• Input / Supply Voltage (min): 2.7 V
• Load Regulation: 0.1 %
• Maximum Operating Temperature: + 85 C
• Maximum Power Dissipation: 755 mW
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Voltage: 13 V
• Supply Current: 0.5 mA
• Switching Frequency: 250 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 5, V
100mA
50mA
5.0V
4.9V
4.9V
5.0V
5.1V
0
0
LOAD TRANSIENT WITHOUT INTEGRATOR
LOAD TRANSIENT WITHOUT INTEGRATOR
A. V
B. V
INTG = REF,
A. V
B. I
INTG = REF, FIGURE 5
MAIN
(L = 10μH, 500μs PULSE)
(L = 33μH, 500μs PULSE)
MAIN
MAIN
MAIN
= 5V, 50mV/div
= 5mA to 50mA, 25mA/div
= 5V, 50mV/div
= 10mA to 100mA, 50mA/div
FIGURE 6
Low-Power Triple-Output TFT LCD DC-DC
100μs/div
100μs/div
_______________________________________________________________________________________
IN
= +3.3V, T
A
MAX1779-16
MAX1779-19
= +25°C, unless otherwise noted.)
B
A
B
A
400mA
200mA
100mA
200mA
5.0V
5.0V
5.1V
4.9V
Typical Operating Characteristics (continued)
0
0
0
LOAD TRANSIENT WITHOUT INTEGRATOR
A. V
B. I
C. I
INTG = REF, FIGURE 6
A. V
B. I
FIGURE 5
L
MAIN
MAIN
MAIN
, 200mA/div
MAIN
(L = 10μH, 5μs PULSE)
(L = 33μH, 5μs PULSE)
= 10mA to 100mA, 100mA/div
= 5V, 100mV/div
LOAD TRANSIENT
= 20mA to 200mA, 100mA/div
= 5V, 50mV/div
10μs/div
10μs/div
MAX1779-17
MAX1779-20
A
B
C
A
B
100mA
500mA
5.1V
4.9V
5V
5V
2V
3V
0
0
0
A. V
B. I
FIGURE 5
A. V
B. V
C. I
FIGURE
MAIN
L
(L = 33μH, 500μs PULSE)
MAIN
SHDN
MAIN
, 500 mA/div
STARTUP WAVEFORM
Converter
6, R
LOAD TRANSIENT
= 10mA to 100mA, 50mA/div
= 5V, 50mV/div
= 0 to 2V, 2V/div
= 5V, 1V/div
MAIN
(L = 10μH)
100μs/div
200μs/div
= 100Ω
MAX1779-18
MAX1779-21
7
B
C
A
B
A