Owner manual

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