參數(shù)資料
型號: DS2148GN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Interface
英文描述: DATACOM, PCM TRANSCEIVER, BGA49
封裝: CABGA-49
文件頁數(shù): 10/15頁
文件大?。?/td> 387K
代理商: DS2148GN
MAX8614A/MAX8614B
Dual-Output (+ and -) DC-DC
Converters for CCD
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(VCC = VAVCC = VONINV = VONBST = VEN = 3.6V, PGND = SEQ = GND, C6 = 0.22F, C1 = 2.2F, C2 = 6.7F, Figure 1, TA = -40°C
to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
AVCC = VCC Voltage Range
(Note 1)
3
5.5
V
UVLO Threshold
VCC rising
2.42
2.82
V
Step-Up Output Voltage Adjust Range
VAVCC
24
V
Inverter Output Voltage Adjust Range
VINV - VCC (Note 2)
-16
0
V
MAX8614B
0.7
0.9
LXP Current Limit
MAX8614A
0.34
0.52
A
MAX8614B
0.9
1.2
LXP Short-Circuit Current Limit
MAX8614A
0.52
0.70
A
MAX8614B
0.65
0.85
LXN Current Limit
MAX8614A
0.28
0.38
A
LXN On-Resistance
VCC = 3.6V
1.1
PVP On-Resistance
VCC = 3.6V
0.3
Maximum Duty Cycle
Step-up and inverter
82
%
IAVCC
1.4
Quiescent Current (Switching, No Load)
IVCC
3
mA
IAVCC
800
Quiescent Current (No Switching, No Load)
IVCC
15
A
Oscillator Frequency
0.93
1.07
MHz
FBP, FBN, REFERENCE
REF Output Voltage
No load
1.235
1.260
V
FBP Threshold Voltage
No load
0.995
1.025
V
FBN Threshold Voltage
No load
-10
+10
mV
ONINV, ONBST SEQ LOGIC INPUTS
Logic-Low Input
2.7V < VAVCC < 5.5V
0.5
V
Logic-High Input
2.7V < VAVCC < 5.5V
1.6
V
Note 1: Output current and on-resistance are specified at 3.6V input voltage. The IC operates to 2.7V with reduced performance.
Note 2: The specified maximum negative output voltage is referred to VCC, and not to GND. With VCC = 3.3V, the maximum negative
output is then -12.7V.
Note 3: Specifications to -40°C are guaranteed by design, not production tested.
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