Owner manual

MAX8614A/MAX8614B
Dual-Output (+ and -) DC-DC
Converters for CCD
6 _______________________________________________________________________________________
CHANGE IN OUTPUT VOLTAGE
vs. OUTPUT CURRENT (NEGATIVE OUTPUT)
OUTPUT CURRENT (mA)
CHANGE IN OUTPUT VOLTAGE (%)
MAX8614A/B toc10
0 25 50 75 100 125
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
V
IN
= 5V
V
OUT
- = -7.5V
V
IN
= 4.2V
V
IN
= 3V
V
IN
= 3.6V
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
MAX8614A/B toc11
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
100
200
300
400
500
600
700
800
900
1000
AV
CC
V
CC
SOFT-START WAVEFORMS
MAX8614A/B toc12
V
ONINV
5V/div
0V
10V/div
5V/div
100mA/div
0V
0V
V
ONBST
V
BST
V
INV
I
IN
4ms/div
SEQ = GND
SOFT-START WAVEFORMS
MAX8614A/B toc13
V
ONINV
5V/div
0V
10V/div
5V/div
100mA/div
0V
0V
V
ONBST
V
BST
V
INV
I
IN
4ms/div
SEQ = AV
CC
LINE TRANSIENT
MAX8614A/B toc14
50mV/div
AC-COUPLED
50mV/div
AC-COUPLED
3.5V
V
BST
V
IN
3.5V TO 4.5V
TO 3.5V
V
INV
40µs/div
Typical Operating Characteristics (continued)
(T
A
= +25°C, V
CC
= V
AVCC
= 3.6V, SEQ = GND, Figure 1, unless otherwise noted.)
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT (POSITIVE OUTPUT)
LOAD CURRENT (mA)
CHANGE IN OUTPUT VOLTAGE (%)
MAX8614A/B toc09
0 25 50 75 100 125 150
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
V
CC
= 3V
V
CC
= 5V
V
CC
= 4.2V
V
CC
= 3.6V