Electrical characteristics (continued) – Rainbow Electronics MAX8614B User Manual
Page 3
MAX8614A/MAX8614B
Dual-Output (+ and -) DC-DC
Converters for CCD
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= V
AVCC
= V
ONINV =
V
ONBST
= 3.6V, PGND = SEQ = GND, C6 = 0.22µF, C1 = 2.2µF, C2 = 4.7µF, Figure 1, T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
LXP
= I
ILIMMIN
, MAX8614B
-15
FBP Load Regulation
I
LXP
= I
ILIMMIN
, MAX8614A
-35
mV/A
I
LXN
= I
ILIMMIN
, MAX8614B
17.5
FBN Load Regulation
I
LXN
= I
ILIMMIN
, MAX8614A
65
mV/A
Oscillator Frequency
0.93
1
1.07
MHz
Soft-Start Interval
Step-up and inverter
10
ms
Overload-Protection Fault Delay
100
ms
FBP, FBN, REFERENCE
REF Output Voltage
No load
1.24
1.25
1.26
V
REF Load Regulation
0µA < I
REF
< 50µA
10
mV
REF Line Regulation
3.3V < V
AVCC
< 5.5V
2
5
mV
FBP Threshold Voltage
No load
0.995
1.010
1.025
V
FBN Threshold Voltage
No load
-10
0
+10
mV
T
A
= +25°C
-50
+5
+50
FBP Input Leakage Current
V
FBP
=1.025V
T
A
= +85°C
+5
nA
T
A
= +25°C
-50
+5
+50
FBN Input Leakage Current
FBN = -10mV
T
A
= +85°C
+5
nA
T
A
= +25°C
-5
+0.1
+5
LXN Input Leakage Current
V
LXN
= -12V
T
A
= +85°C
+0.1
µA
T
A
= +25°C
-5
+0.1
+5
LXP Input Leakage Current
V
LXP
= 23V
T
A
= +85°C
+0.1
µA
T
A
= +25°C
-5
+0.1
+5
PVP Input Leakage Current
V
PVP
= 0V
T
A
= +85°C
+0.1
µA
T
A
= +25°C
-1
+0.1
+1
FLT Input Leakage Current
V
FLT
= 3.6V
T
A
= +85°C
+0.1
µA
FLT Input Resistance
Fault mode, T
A
= +25°C
10
20
Ω
ONINV, ONBST, SEQ LOGIC INPUTS
Logic-Low Input
2.7V < V
AVCC
< 5.5V
0.5
V
Logic-High Input
2.7V < V
AVCC
< 5.5V
1.6
V
Bias Current
T
A
= +25°C
0.1
1
µA