MAX1703 Maxim, MAX1703 Datasheet - Page 6

• Manufacturer Part Number: MAX1703
• Description: 1-Cell to 3-Cell / High-Power 1.5A / Low-Noise / Step-Up DC-DC Converter
• Manufacturer: Maxim

1-Cell to 3-Cell, High-Power (1.5A),
Low-Noise, Step-Up DC-DC Converter
(V
6
_________________________________Typical Operating Characteristics (continued)
IN
_______________________________________________________________________________________
= +3.6V, V
I
V
LOAD CURRENT = 0A TO 1.5A
LOAD
340
330
320
310
300
290
280
270
260
OUT
OUT
IS AC COUPLED
-40
= 1.5A, C7 = 0.47 F
= 5V, T
LOAD-TRANSIENT RESPONSE
-20
FREQUENCY vs. TEMPERATURE
HEAVY LOAD SWITCHING
0
TEMPERATURE (°C)
A
V
= +25°C, unless otherwise noted.)
OUT
2ms/div
20
2 s/div
V
OUT
= 5V
= 3.3V
40
60
80
MAX1703-10
MAX1703-08
100
1.0A
0.5A
0A
V
(50mV/div)
OUT
V
V
IN
IN
= 2.6V TO 3.6V, V
= 2.6V TO 3.6V, V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.5
LINE-TRANSIENT RESPONSE
PEAK INDUCTOR CURRENT LIMIT
POWER-ON DELAY
3.0
OUT
OUT
(PFM MODE)
vs. OUTPUT VOLTAGE
IS AC COUPLED
IS AC COUPLED
OUTPUT VOLTAGE (V)
2ms/div
3.5
1ms/div
4.0
LOW POWER (PFM)
PWM
4.5
5.0
MAX1703-11
MAX1703-09
5.5
4V
2V
0V
V
(50mV/div)
V
V
(2V/div)
I
(0.2A/div)
IN
V
ON
OUT
OUT
IN