MAX8614B Maxim Integrated Products, MAX8614B Datasheet - Page 6

• Manufacturer Part Number: MAX8614B
• Description: (MAX8614A / MAX8614B) Dual-Output (+ and -) DC-DC
• Manufacturer: Maxim Integrated Products

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