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參數(shù)資料
| 型號： | MAX768EEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low-Noise, Dual-Output, Regulated Charge Pump for GaAsFET, LCD, and VCO Supplies |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 101K |
| 代理商： | MAX768EEE |
M
Low-Noise, Dual-Output, Regulated Charge Pump
for GaAsFET, LCD, and VCO Supplies
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3V, SYNC = IN, SETN = SETP = GND,
NSHDN
=
PSHDN
= IN, T
A
= -40°C to +85°C, unless otherwise noted. Typical values
are at T
A
= +25°C. See Figure 2.) (Note 1)
CONDITIONS
PARAMETER
SYNC
SYNC = GND (divide by 4)
V
SYNC
= 3V
μA
0.1
2
SYNC Input Leakage Current
SET INPUT
21.5
85
25
100
28.5
115
%
40
60
SYNC Duty Cycle (external)
kHz
20
240
SYNC Frequency Range (external)
UNITS
MIN
TYP
MAX
I
NOUT
= 0.1mA
I
POUT
= 0.1mA
V
-1.275
-1.25
0.01
-1.225
0.1
Negative Set-Reference Voltage
-1.270
-1.25
-1.230
V
1.215
1.25
1.285
Positive Set-Reference Voltage
1.217
1.25
1.283
V
RDY
= 10V
Percent of V
NOUT
, I
NOUT
= 5mA
I
SINK
= 2mA
V
SETP
= V
SETN
= 1.3V
mA
10
Maximum Sink Current
μA
0.01
2
Output Off Current
%
85
94
98
RDY
Output Threshold
Output Low Voltage
μA
SETP, SETN Input Leakage Current
RDY
OUTPUT
kHz
Oscillator Frequency (internal)
T
A
= +25°C
T
A
= -40°C to + 85°C
T
A
= +25°C
T
A
= -40°C to + 85°C
V
0.25
Note 1:
Parameters to -40°C are guaranteed by design, not production tested.
Note 2:
Maximum output voltage range is from the positive reference voltage to 2 x V
IN
- dropout voltage.
Note 3:
Maximum output voltage range is from the negative reference voltage to -2 x V
IN
+ dropout voltage.
__________________________________________Typic al Operating Charac teristic s
(SYNC = IN, T
A
= +25°C, unless otherwise noted.)
0.30
IN = 3.0V
NOUT = -5V
POUT = +5V
0
0
5
15
25
mV
RMS
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
0.10
M
OUTPUT CURRENT (mA)
O
R
)
10
20
0.20
5.2
4.0
0
5
15
30
POUT OUTPUT VOLTAGE
vs. OUTPUT CURRENT
ONLY POUT LOADED
4.2
4.8
5.0
M
OUTPUT CURRENT (mA)
O
10
20
25
4.6
4.4
IN = 4.0V
IN = 3.0V
-4.2
-5.0
0
5
15
30
NOUT OUTPUT VOLTAGE vs.
OUTPUT CURRENT
ONLY NOUT LOADED
-4.9
-4.4
-4.3
M
OUTPUT CURRENT (mA)
O
10
20
25
-4.5
-4.7
-4.8
-4.6
IN = 4.0V
IN = 3.0V
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