AMS682 データシートの表示（PDF） - Advanced Monolithic Systems Inc
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AMS682 Datasheet PDF : 7 Pages
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ABSOLUTE MAXIMUM RATINGS
VIN
VIN ∆V/∆T
+5.8V
1V/µsec
VOUT
-11.6V
VOUT Short Circuit Duration
Continuous
Power Dissipation (TA 70°C)
Plastic DIP
730mW
SOIC
470mW
Operating Temperature Range
AMS682E
AMS682C
Storage temperature
Soldering information
Lead Temperature (Soldering 10sec)
AMS682
-40°C to 85°C
0°C to 70°C
-85°C to +150°C
+300°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at VIN =+5V and TA = +25°C test circuit figure 1, unless otherwise specified.
Parameter
Conditions
AMS682
Min Typ Max
Supply Voltage Range
VIN
RL=2kΩ
2.4
5.5
Supply Current
IIN
RL = ∞
185
300
RL = ∞
400
VOUT Source Resistance
ROUT
I-L = 10mA
140
180
Source Resistance
I-L =10mA
170
230
I-L = 5mA , VIN = 2.8V
320
Oscillator Frequency
FOSC
12
Power Efficiency
PEFF
RL = 2kΩ
90
92
Voltage Conversion Efficiency
VOUTEFF
VOUT RL= ∞
99
99.9
Units
V
µA
Ω
kHz
%
%
PIN DESCRIPTION
PIN NO
8-PIN DIP/SOIC
1
2
3
4
5
6
7
8
SYMBOL
C1-
C2+
C2-
VOUT
GND
VIN
C1+
ON/OFF
DESCRIPTION
Input. Capacitor C1 negative
terminal.
Input. Capacitor C2 positive
terminal.
Input. Capacitor C2 negative
terminal
Output. Negative output voltage
(-2VIN)
Input. Device ground.
Input. Power supply voltage.
Input. Capacitor C1 positive
terminal.
ON/OFF Oscilator.
VIN
(+5V)
+
C1 -
+
C2 -
GND
6
7
C1+
VIN
ON/OFF
8
1
C1-
2
C2+
3
C2-
V-OUT
GND
4
5
-
+
COUT
All Caps = 3.3µF
V-OUT
RL
Figure 1. AMS682 Test Circuit
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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