MAX1771 Maxim, MAX1771 Datasheet - Page 5

• Manufacturer Part Number: MAX1771
• Description: 12V or Adjustable / High-Efficiency / Low IQ / Step-Up DC-DC Controller
• Manufacturer: Maxim

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(Circuit of Figure 2a, T
____________________________Typical Operating Characteristics (continued)
A
B
C
A
B
I
A: V
B: V
V
A: EXT VOLTAGE, 10V/div
B: INDUCTOR CURRENT, 1A/div
C: V
OUT
IN
= 5V, I
IN
OUT
= 700mA, V
OUT
HEAVY-LOAD SWITCHING WAVEFORMS
, 5V to 7V, 2V/div
RIPPLE, 100mV/div, AC-COUPLED
RIPPLE, 50mV/div, AC-COUPLED
OUT
LINE-TRANSIENT RESPONSE
_______________________________________________________________________________________
= 900mA, V
A
OUT
= +25°C, unless otherwise noted.)
= 12V
OUT
5ms/div
2µs/div
= 12V
12V or Adjustable, High-Efficiency,
Low I
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Q
7V
5V
0V
V
0V
I
0A
LIM
OUT
, Step-Up DC-DC Controller
A
B
C
A
B
V
A: EXT VOLTAGE, 10V/div
B: INDUCTOR CURRENT, 1A/div
C: V
V
A: LOAD CURRENT, 0mA to 500mA, 500mA/div
B: V
IN
IN
= 5V, I
= 6V, V
MEDIUM-LOAD SWITCHING WAVEFORMS
OUT
OUT
RIPPLE, 50mV/div, AC-COUPLED
RIPPLE, 100mV/div, AC-COUPLED
OUT
OUT
LOAD-TRANSIENT RESPONSE
= 500mA, V
= 12V
OUT
10µs/div
5ms/div
= 12V
V
0V
I
0A
500mA
0A
LIM
OUT
5