Dual-Output (+ and -) DC-DC
Converters for CCD
Typical Operating Characteristics (continued)
(TA = +25°C, VCC = VAVCC = 3.6V, SEQ = GND, Figure 1, unless otherwise noted.)
LOAD TRANSIENT (POSITIVE OUTPUT)
MAX8614A/B toc15
20mV/div
VINV
AC-COUPLED
VBST
100mV/div
AC-COUPLED
IBST
20mA TO 50mA
TO 20mA
4µs/div
20mA/div
0V
SWITCHING WAVEFORMS (POSITIVE OUTPUT)
MAX8614A/B toc17
VBST
50mV/div
AC-COUPLED
10V/div
VLX
0V
ILX
IBST = 20mA
400ns/div
500mA/div
0A
LOAD TRANSIENT (NEGATIVE OUTPUT)
MAX8614A/B toc16
VBST
50mV/div
AC-COUPLED
VINV
100mV/div
AC-COUPLED
IINV
20mA TO 100mA
TO 20mA
4µs/div
50mA/div
0V
SWITCHING WAVEFORMS (POSITIVE OUTPUT)
MAX8614A/B toc18
VBST
50mV/div
AC-COUPLED
10V/div
VLX
0V
ILX
IBST = 50mA
400ns/div
500mA/div
0A
SWITCHING WAVEFORMS (NEGATIVE OUTPUT)
MAX8614A/B toc19
VINV
50mV/div
AC-COUPLED
10V/div
VLX
0V
SWITCHING WAVEFORMS (NEGATIVE OUTPUT)
MAX8614A/B toc20
VINV
50mV/div
AC-COUPLED
10V/div
VLX
0V
ILX
IINV = 20mA
400ns/div
500mA/div
0A
ILX
IINV = 100mA
400ns/div
500mA/div
0A
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