MAX1700 Maxim, MAX1700 Datasheet - Page 7

• Manufacturer Part Number: MAX1700
• Description: 1-Cell to 3-Cell / High-Power 1A / Low-Noise / Step-Up DC-DC Converters
• Manufacturer: Maxim

(Circuit of Figure 1, T
A
B
A
B
V
A = V
B = LOAD CURRENT, 100mA TO 1A, 0.5A/div,
V
A = LOAD CURRENT, 0mA TO 200mA, 0.2A/div
B = V
IN
IN
PULSE WIDTH = 577 s
= 3.6V, V
= 1.1V, V
OUT
OUT
_______________________________________________________________________________________
A
GSM LOAD-TRANSIENT RESPONSE
RIPPLE, 200mV/div, AC COUPLED
= +25°C, unless otherwise noted.)
RIPPLE, 50mV/div, AC COUPLED
OUT
LOAD-TRANSIENT RESPONSE
OUT
Low-Noise, Step-Up DC-DC Converters
= 5V, C
= 3.3V
OUT
2.7
1ms/div
2ms/div
0
= 440 F
0.1k
1-Cell to 3-Cell, High-Power (1A),
Typical Operating Characteristics (continued)
1k
MAX1700-12
MAX1700-10
(V
OUT
= 3.3V, V
5V
0A
200mA
0A
NOISE SPECTRUM
FREQUENCY (Hz)
10k
IN
= 1.2V, R
LOAD
C
A
B
A
B
= 50 )
100k
A = V
B = V
C = INPUT CURRENT, 0.2A/div
V
A = V
B = LOAD CURRENT, 50mA TO 400mA, 0.2A/div,
IN
= 1.2V, V
PULSE WIDTH = 416 s
ON1
OUT
OUT
, 2V/div
, 1V/div
DECT LOAD-TRANSIENT RESPONSE
RIPPLE, 200mV/div, AC COUPLED
OUT
= 3.3V, C
POWER-ON DELAY
1M
(PFM MODE)
OUT
5ms/div
2ms/div
= 440 F
MAX1700-11
MAX1700-13
3.3V
0A
3.3V
0mA
7