MAX680/MAX681
+5V to ±10V Voltage Converters
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V, test circuit Figure 1, T
A
= +25°C, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
V
CC
................................................................................... +6.2V
V+ ...................................................................................... +12V
V- ..........................................................................................-12V
V- Short-Circuit Duration ...........................................Continuous
V+ Current ..........................................................................75mA
V
CC
∆V/∆T ..........................................................................1V/µs
Continuous Power Dissipation (T
A
= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW
8-Pin Narrow SO (derate 5.88mW/°C above +70°C) .....471mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C) ..........640mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) ...800mW
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
kHz
48Oscillator Frequency
Positive Charge-Pump
Output Source Resistance
2.5
12
0.5 1
400
350
180 300
3
3
Supply Current mA
2.0 1.5 to 6.0 6.0Supply-Voltage Range
150 250
MIN TYP MAX
V
CC
= 5V, 0°C ≤ T
A
≤ +70°C, R
L
= ∞
V
CC
= 3V, T
A
= +25°C, R
L
= ∞
V
CC
= 5V, T
A
= +25°C, R
L
= ∞
I
L
+ = 10mA,
I
L
- = 0mA,
V
CC
= 5V
I
L
+ = 5mA, I
L
- = 0mA, V
CC
= 2.8V,
T
A
= +25°C
V
CC
= 5V, -40°C ≤ T
A
≤ +85°C, R
L
= ∞
V
CC
= 5V, -55°C ≤ T
A
≤ +125°C, R
L
= ∞
MIN ≤ T
A
≤ MAX, R
L
= 10kΩ
I
L
+ = 10mA, I
L
- = 0mA, V
CC
= 5V,
T
A
= +25°C
CONDITIONS UNITSPARAMETER
V+, R
L
= ∞
R
L
= 10kΩ
95 99
%85Power Efficiency
I
L
- = 10mA,
I
L
+ = 0mA,
V+ = 10V
I
L
- = 5mA, I
L
+ = 0mA, V+ = 5.6V,
T
A
= +25°C
I
L
- = 10mA, I
L
+ = 0mA, V+ = 10V,
T
A
= +25°C
Ω
Negative Charge-Pump
Output Source Resistance
250
200
110 175
90 150
V-, R
L
= ∞
%
90 97
Voltage-Conversion
Efficiency
V
Ω
325
200
0°C ≤ T
A
≤ +70°C
-40°C ≤ T
A
≤ +85°C
-55°C ≤ T
A
≤ +125°C
0°C ≤ T
A
≤ +70°C
-40°C ≤ T
A
≤ +85°C
-55°C ≤ T
A
≤ +125°C
(20 páginas)
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