Typical operating characteristics (continued) – Rainbow Electronics MAX8614B User Manual
Page 7
MAX8614A/MAX8614B
Dual-Output (+ and -) DC-DC
Converters for CCD
_______________________________________________________________________________________
7
LOAD TRANSIENT (NEGATIVE OUTPUT)
MAX8614A/B toc16
50mV/div
AC-COUPLED
100mV/div
AC-COUPLED
50mA/div
0V
V
BST
I
INV
V
INV
4
µs/div
20mA TO 100mA
TO 20mA
SWITCHING WAVEFORMS (POSITIVE OUTPUT)
MAX8614A/B toc17
50mV/div
AC-COUPLED
10V/div
500mA/div
0A
0V
V
BST
I
LX
V
LX
400ns/div
I
BST
= 20mA
SWITCHING WAVEFORMS (POSITIVE OUTPUT)
MAX8614A/B toc18
50mV/div
AC-COUPLED
10V/div
500mA/div
0A
0V
V
BST
I
LX
V
LX
400ns/div
I
BST
= 50mA
SWITCHING WAVEFORMS (NEGATIVE OUTPUT)
MAX8614A/B toc19
50mV/div
AC-COUPLED
10V/div
500mA/div
0A
0V
V
INV
I
LX
V
LX
400ns/div
I
INV
= 20mA
SWITCHING WAVEFORMS (NEGATIVE OUTPUT)
MAX8614A/B toc20
50mV/div
AC-COUPLED
10V/div
500mA/div
0A
0V
V
INV
I
LX
V
LX
400ns/div
I
INV
= 100mA
LOAD TRANSIENT (POSITIVE OUTPUT)
MAX8614A/B toc15
20mV/div
AC-COUPLED
100mV/div
AC-COUPLED
20mA/div
0V
V
BST
I
BST
V
INV
4
µs/div
20mA TO 50mA
TO 20mA
Typical Operating Characteristics (continued)
(T
A
= +25°C, V
CC
= V
AVCC
= 3.6V, SEQ = GND, Figure 1, unless otherwise noted.)