OM2990 Datasheet, PDF (2/6 Pages) International Rectifier – Three Terminal, Fixed Voltage, Low Dropout Negative Voltage Regulator In Hermetic Packages

1.1
1.1
1.3
1.3
1.4
2.1
2.2
2.3
2.4
3.1
3.2
ELECTRICAL CHARACTERISTICS, OM2990-5NK, NM, NT (-5 VOLTS)
Test Conditions are -55°C T_A 125°C, V_IN = -10V, C_OUT = 47 µF (unless otherwise specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V_OUT
5 mA < I_O < 1.0 A
1
-5.10 -4.90
V
2
-5.25 -4.75
Quiescent Current
I_Q
I_O < 1.0A
1
2
5
mA
12
I_O = 1.0A , V_IN = -5 V
1,2
Line Regulation
V_RLN
-6 V V_IN -26 V,
1
I_{O U T} = 5 mA
2
Load Regulation
V_RLD
50 mA I_{O U T} 1.0 A
1
2
50
+40
mV
+50
+50
mV
+100
Dropout Voltage
V_{D O}
I_O = 0.1 A
1
DV_O 100 mV
2
I_O = 1.0 A
1
DV_O 100 mV
2
Output Noise Voltage
V_{O N}
I_O = 5 mA,
3
10 Hz - 100 kHz
.3
V
1
µV
750
Short Circuit Current
I_{O S}
R_L = 1
1
1.5
A
2
1.3
Maximum Output Current I_{M A X}
1
1.5
A
Ripple Rejection
R_R
V_ripple = 1 V_{m s}
1
50
dB
I_{O U T} = 5 mA, f = 1 kHz
Notes: 1. T_A = 25°C.
2. Over full operating temperature range.
3. Guaranteed, not tested
ELECTRICAL CHARACTERISTICS, OM2990-12NK, NM, NT (-12 VOLTS)
Test Conditions are -55°C T_A 125°C, V_IN = -17V, C_OUT = 47 µF (unless otherwise specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V_OUT
5 mA < I_O < 1.0A
1
-12.24 -11.76
V
2
-12.60 -11.40
Quiescent Current
I_Q
I_O < 1.0A
1
2
5
mA
12
Line Regulation
Load Regulation
I_O = 1A, V_IN = -12 V
1,2
V_RLN
-13 V V_IN -26 V
1
I_{O U T} = 5 mA
2
V_RLD
50 mA I_{O U T} 1.0 A
1
2
50
+65
mV
+80
+80
mV
+120
Dropout Voltage
V_{D O}
I_O = 0.1 A
1
DV_O 100 mV
2
I_O = 1 A
1
DV_O 100 mV
2
Output Noise Voltage
V_{O N}
I_O = 5 mA,
3
10 Hz - 100 kHz
.3
V
1
1500
µV
Short Circuit Current
I_{O S}
R_L = 1
1
.90
A
2
.75
Maximum Output Current I_{M A X}
1
1.4
A
4
Ripple Rejection
R_R
V_ripple = 1 V_{m s}
1
42
dB
I_{O U T} = 5 mA, f = 1 kHz
Notes: 1. T_A = 25°C.
2. Over full operating temperature range.
3. Guaranteed, not tested
4. The short circuit current is less than the maximum output current due to internal foldback current limiting.
The -5V and -5.2V versions do not reach the foldback current limit and therefore conducts a higher short
ELECTRICAL CHARACTERISTICS, OM2990-15NK, NM, NT (-15 VOLTS)
Test Conditions are -55°C T_A 125°C, V_IN = -20V, C_OUT = 47 µF (unless otherwise specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V_OUT
5 mA < I_O < 1.0 A
1
-15.30 -14.70
V
2
-15.75 -14.25
Quiescent Current
I_Q
I_O < 1.0A
1
2
15
mA
20
I_O = 1.0A , V_IN = -15 V
1,2
Line Regulation
V_RLN
-16 V V_IN -26 V,
1
I_{O U T} = 5 mA
2
Load Regulation
V_RLD
50 mA I_{O U T} 1.0 A
1
2
50
+75
mV
+120
+120
mV
+190
Dropout Voltage
V_{D O}
I_O = 0.1 A
1
DV_O 100 mV
2
I_O = 1.0 A
1
DV_O 100 mV
2
Output Noise Voltage
V_{O N}
I_O = 5 mA,
3
10 Hz - 100 kHz
.3
V
1
µV
1800
Short Circuit Current
I_{O S}
R_L = 1
1
.75
A
2
.62
Maximum Output Current I_{M A X}
1
1.4
A
4
Ripple Rejection
R_R
V_ripple = 1 V_{m s}
1
42
dB
I_{O U T} = 5 mA, f = 1 kHz
Notes: 1. T_A = 25°C.
2. Over full operating temperature range.
3. Guaranteed, not tested
4. The short circuit current is less than the maximum output current due to internal foldback current limiting.
The -5V and -5.2V versions do not reach the foldback current limit and therefore conducts a higher short
circuit level.