MAX8614B Maxim Integrated Products, MAX8614B Datasheet - Page 7

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

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