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NJU7665A Datasheet Preview

NJU7665A Datasheet

Inverting / SOT-23(MTP5)

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NJU7665 Series
SMALL PACKAGE VOLTAGE INVERTER
GENERAL DESCRIPTION
The NJU7665 series is a voltage inverter incorporated RC
oscillator, pre-buffer and power-MOS, which generates a
polarity-converted negative voltage from +1.5V to +5.5V.
The switching frequency is fixed by internal RC oscillator and the
following line-up of 3 version are available to select.
The NJU7665 series is in MTP-5 package and it is suitable for
battery use items and other portable items.
PACKAGE OUTLINE
NJU7665XF
FEATURES
Input Voltage
Switching Frequency
Low Output Resistance
Low Operating Current
C-MOS Technology
Package Outline
: 1.5 to 5.5V
: fsw = 7.5k, 75k, 150kHz
: 75MAX. (C version, C = 1µF, VIN = 3V .)
: 100µA MAX. (A version)
: MTP-5
LINE-UP TABLE
TYPE NO.
Switching Frequency
NJU7665A
7.5kHz (typ.)
NJU7665B
75kHz (typ.)
NJU7665C
150kHz (typ.)
Supply Current
100µA (max.)
0.65mA (max.)
1.4mA (max.)
Output Resistance
1k(max.)
100(max.)
75(max.)
BLOCK DIAGRAM
PIN CONFIGURATION
TERMINAL DESCRIPTION
Terminal No.
1
2
3
4
5
Symbol
VOUT
VIN
C-
GND
C+
Function
Output Voltage
Power Supply Terminal
Charge Pump Capacitor (-) Connecting Terminal
Ground Terminal
Charge Pump Capacitor (+) Connecting Terminal
Ver.2005-02-28
-1-



JRC
JRC

NJU7665A Datasheet Preview

NJU7665A Datasheet

Inverting / SOT-23(MTP5)

No Preview Available !

NJU7665A pdf
NJU7665 Series
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS
(Ta = 25ºC)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Supply Voltage
VIN -0.3 to 6.0
V
Power Dissipation PD 200 mW
Operating Temperature
Topr
-40 to + 85
ºC
Storage Temperature
Tstg -55 to +125
ºC
Note1) Decoupling capacitor should be connected between VIN and GND due to the stabilized operation for the IC.
ELECTRICAL CHARACTERISTICS
A version
PARAMETER
SYMBOL
CONDITION
Supply Current
IIN RL =
Input Supply Voltage
Output Resistance
VIN
ROUT
-40 °C Ta 85°C
IOUT = 500µA
Oscillation Frequency
Power Conversion Rate
Voltage Conversion Rate
FO
PEF RL = 500k
VEF RL =
(VIN = 3.0V, C1 = C2 = 1µF, Ta = 25°C)
MIN.
TYP.
MAX.
UNIT
– – 100 µA
1.5 – 5.5 V
– – 1.0 k
4.5 7.5 10.5 kHz
– 90 – %
90 99.3
%
B version
PARAMETER
Supply Current
Input Supply Voltage
Output Resistance
Oscillation Frequency
Power Conversion Rate
Voltage Conversion Rate
SYMBOL
IIN
VIN
ROUT
FO
PEF
VEF
CONDITION
RL =
-40 °C Ta 85°C
IOUT = 5mA
RL = 500k
RL =
(VIN = 3.0V, C1 = C2 = 1µF, Ta = 25°C)
MIN.
TYP.
MAX.
UNIT
– – 0.65 mA
1.5 – 5.5 V
– – 100
40 75 100 kHz
– 90 – %
90 99.3
%
C version
PARAMETER
SYMBOL
CONDITION
(VIN = 3.0V, C1 = C2 = 1µF, Ta = 25°C)
MIN.
TYP.
MAX.
UNIT
Supply Current
IIN RL =
– – 1.4 mA
Input Supply Voltage
VIN -40 °C Ta 85°C
1.5 – 5.5 V
Output Resistance
ROUT
IOUT = 10mA
– – 75
Oscillation Frequency
FO
80 150
Power Conversion Rate
PEF RL = 500k
– 90
Voltage Conversion Rate
VEF RL =
90 99.3
NOTE2) Please minimize the wiring impedance of C+, C- terminals due to the power conversion rate.
200
kHz
%
%
-2-
Ver.2005-02-28


Part Number NJU7665A
Description Inverting / SOT-23(MTP5)
Maker JRC
Total Page 3 Pages
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