PJ7909 Просмотр технического описания (PDF) - Promax Johnton
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PJ7909 Datasheet PDF : 9 Pages
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PJ7900 Series
3-Terminal Negative Output Voltage Regulators
• PJ7909 ELECTRICAL CHARACTERISTICS
( Vin=-15V , Iout=500mA, Cin=2uF, Cout=1uF; Tj=0℃ to 125℃, unless otherwise specified.)
CHARACTERISTIC
SYMBOL
TEST
CIRCUIT
CONDITION
MIN.
Output Voltage
Line Regulation
Vo
REGline
Tj=25℃
1
-8.65
Vi=-11.5 to -24V, lo=5mA to 1A, PD<15W -8.57
Tj=25℃
Vi=-11.5 to -26V
--
1
Vi=-12 to -18V
--
Load Regulation
Tj=25℃
Io=5mA to 1.5A
--
REGload
1
Io=250mA to 750mA
--
Quiescent Current
Iq
2
Tj=25℃
--
Quiescent Current Change
ΔIq
Vi=-11.5 to -26V, Tj=25℃
2
--
lo=5mA to 1.5A
--
Bias Current
IIB
2
Tj=25℃
--
Output Noise Voltage
Vn
1
f=10Hz to 100KHz, Ta=25℃
--
Ripple Rejection Ratio
RR
3
Vi=-12 to -22V,Io=100mA, f=120Hz
56
Min. I/O Voltage Difference
Vdif
Io=1A, Tj=25℃
--
TYP.
-9.0
-9.0
7
2
12
4
2.2
--
--
2.2
58
71
1.1
MAX. UNIT
-9.36 V
-9.45 V
180 mV
90 mV
180 mV
90 mV
4.5 mA
1
mA
0.5 mA
4.5 mA
-- μV
--
dB
--
V
Peak Output Current
Io-peak
1
Tj=25℃
--
2.1
--
A
Output Voltage
Tempoerature Coefficient
ΔVo/Ta
1
Io=5mA, Tj=0 to 125℃
mV/
--
-0.6
--
℃
Note: The specified condition Tj=25℃ means that the test should be carried out with the test time so short (within 10mS), that the drift in
characteristic value due to the rise in chip junction temperature can be ignored.
• PJ7912 ELECTRICAL CHARACTERISTICS
(Vin=-19V, Iout=500mA, Cin=2μF, Cout=1μF; Tj=0℃ to 125℃, unless otherwise specified.)
CHARACTERISTIC
Output Voltage
Line Regulation
Load Regulation
SYMBOL
Vo
REGline
REGload
TEST
CIRCUIT
1
1
1
CONDITION
Tj=25℃
Vi=-14.5 to -27V, lo=5mA to 1A, PD<15W
Tj=25℃
Vi=-14.5 to -30V
Tj=25℃
Vi=-16 to -22V
Io=5mA to 1.5A
Io=250mA to 750mA
MIN.
-11.53
-11.42
--
--
--
--
TYP.
-12
-12
10
3
12
4
MAX. UNIT
-12.48 V
-12.60 V
240 mV
120 mV
240 mV
120 mV
Quiescent Current
Iq
2
Tj=25℃
--
2.5
5
mA
Quiescent Current Change
ΔIq
Output Noise Voltage
Vn
Vi=-14.5 to -30V, Tj=25℃
2
lo=5mA to 1.5A
1
f=10Hz to 100KHz, Ta=25℃
--
--
1
mA
--
--
0.5 mA
--
75
-- μV
Ripple Rejection Ratio
Min. I/O Voltage Difference
Peak Output Current
RR
Vdif
Io-peak
3
Vi=-15 to -25V, Io=100mA, f=120Hz
Io=1A, Tj=25℃
1
Tj=25℃
55
70
--
dB
--
1.1
--
V
--
2.1
--
A
Output Voltage
Tempoerature Coefficient
ΔVo/Ta
1
Io=5mA, Tj=0 to 125℃
mV/
--
-0.8
--
℃
Note: The specified condition Tj=25℃ means that the test should be carried out with the test time so short (within 10mS), that the drift in
characteristic value due to the rise in chip junction temperature can be ignored.
4-9
2002/10.rev.A
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