Reset, Typical operating characteristics (continued) – Rainbow Electronics MAX1947 User Manual
Page 5
MAX1947
Low Input/Output Voltage
Step-Up DC-DC Converter with
RESET
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(V
IN
= 1.5V, Circuit of Typical Application Circuit, T
A
= +25°C, unless otherwise noted.)
1.74
1.76
1.80
1.78
1.82
1.84
0
100
50
150
200
250
300
350
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX1947toc10
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
HEAVY-LOAD SWITCHING WAVEFORMS
MAX1947toc13
V
OUT
(AC-COUPLED)
I
L
V
LX
V
IN
(AC-COUPLED)
50mV/div
50mV/div
2V/div
500mA/div
2µs/div
LINE-TRANSIENT WAVEFORMS
MAX1947toc15
V
IN
V
OUT
(AC-COUPLED)
1.5V
1V
50mV/div
10µs/div
1.74
1.76
1.80
1.78
1.82
1.84
0.7
0.9
0.8
1.0 1.1
1.3
1.5
1.2
1.4
1.6 1.7
NO-LOAD OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX1947toc11
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
LIGHT-LOAD SWITCHING WAVEFORMS
MAX1947toc14
V
OUT
(AC-COUPLED)
I
L
V
LX
V
IN
(AC-COUPLED)
50mV/div
50mV/div
2V/div
500mA/div
2µs/div
LOAD-TRANSIENT WAVEFORMS
MAX1947toc16
I
LOAD
V
OUT
(AC-COUPLED)
200mA/div
50mV/div
10µs/div
1.74
1.76
1.80
1.78
1.82
1.84
-40
10
-15
35
60
85
OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1947toc12
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
I
LOAD
= 40mA