MC1121 データシートの表示（PDF） - ON Semiconductor
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MC1121 Datasheet PDF : 8 Pages
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MC1121
PIN DESCRIPTION
Pin No.
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 1
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 2
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 3
4
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 5
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 6
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 7
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 8
Symbol
FC
CAP+
GND
CAP–
VOUT
SHDN
OSC
VDD
Description
Frequency control for internal oscillator, FC = open, FOSC = 10kHz typ; FC = VDD, FOSC = 200kHz
typ, FC has no effect when OSC pin is driven externally
Charge–pump capacitor, positive terminal
Power–supply ground input
Charge–pump capacitor, negative terminal
Output, negative voltage
Shutdown
Oscillator control input. An external capacitor can be added to slow the oscillator. Take care to
minimize stray capacitance. An external oscillator also may be connected to overdrive OSC
Power–supply positive voltage input
ABSOLUTE MAXIMUM RATINGS*
Parameter
Value
Unit
VDD Supply Voltage
Operating Temperature Range
6.0
V
–40 to +85
°C
OSC, FC, SHDN Input Voltage
Output Short Circuit Duration
–0.3 to (VDD + 0.3)
V
10
Sec
Storage Temperature Range
–65 to +150
°C
Package Power Dissipation (TA ≤ 70°C) Micro8
Derate by 4mW/°C for TA > 70°C
mW
333
Lead Temperature (Soldering, 10 Seconds)
+300
°C
* Maximum Ratings are those values beyond which damage to the device may occur.
ELECTRICAL CHARACTERISTICS (TA = –40°C to +85°C, VDD = 5V ±10% COSC = OPEN, C1, C2 = 10µF, FC = VDD,
SHDN = VIH, unless otherwise noted. Typical values are at TA = 25°C.)
Symbol
Characteristic
Min
Typ
Max
Unit
IDD
Active Supply Current
RL = Open, FC = Open or GND
RL = Open, FC = VDD
—
50
100
µA
—
0.6
1.0
mA
IDD(SHDN)
Shutdown Supply Current (SHDN = 0V)
—
0.2
1.0
µA
VDD
Supply Voltage
2.4
—
5.5
V
VIH
SHDN Logic High Input Voltage
VDD x 0.8
—
—
V
VIL
IIN
ROUT
SHDN Logic Low Input Voltage
Input Leakage Current
SHDN, OSC
FC Pin
Output Source Resistance (IOUT = 60 mA)
—
—
–1.0
—
–4.0
—
—
12
0.4
V
µA
1.0
4.0
20
W
IOUT
Output Current (VOUT more negative than –3.75V)
60
100
—
mA
FOSC
Oscillator Frequency
OSC Open, FC = Open or GND
SHDN = VIH, FC = VDD
5.0
10
100
200
kHz
—
—
PEFF
VEFF
Power Efficiency (FC = GND)
W RL = 2k between VDD and VOUT
W RL = 1 k between VOUT and GND
IL = 60 mA to GND
Voltage Conversion Efficiency (RL = OPEN)
93
97
94
97
—
92
99
99.9
%
—
—
—
—
%
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