Rainbow Electronics MAX17075 - Manual (Page 9)

MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
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OPERATION AMPLIFIER
FREQUENCY RESPONSE
MAX17075 toc16
FREQUENCY (kHz)
GAIN (dB)
1k 10k
-6
-5
-4
-3
-1
-2
0
1
2
-8
-7
100 100k
100pF LOAD
NO LOAD
OPERATIONAL AMPLIFIER RAIL-TO-RAIL
INPUT/OUPUT WAVEFORMS
MAX17075 toc17
2 μs/div
0V
V POS
5V/div
V VCOM
5V/div
0V
OPERATIONAL AMPLIFIER
LOAD-TRANSIENT RESPONSE
MAX17075 toc18
2 μs/div
0V
V VCOM
(AC-COUPLED)
200mV/div
I VCOM
50mV/div
0A
OPERATIONAL AMPLIFIER
LARGE-SIGNAL STEP RESPONSE
MAX17075 toc19
40 μs/div
0V
0V
V POS
5V/div
V
VCOM
5V/div
OPERATIONAL AMPLIFIER
SMALL-SIGNAL STEP RESPONSE
MAX17075 toc20
40 μs/div
0mV
0mV
V POS
(AC-COUPLED)
100mV/div
V
VCOM
(AC-COUPLED)
100mV/div
SUP SUPPLY CURRENT
vs. SUP SUPPLY VOLTAGE
MAX17075 toc22
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
14 16 8 10 12
3.55
3.65
3.60
3.70
3.75
3.80
3.90
3.85
3.95
4.00
3.50
6 18
NO SWITCHING
HIGH-VOLTAGE SWITCH
CONTROL FUNCTION
MAX17075 toc21
10 μs/div
0V
0V
V
GON
10V/div
V CTL
5V/div
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)