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OM1325SMM Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part No. OM1325SMM
Description  Three Terminal, Precision Adjustable Negative Voltage Regulator In Hermetic Style Packages
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Maker  ETC1 [List of Unclassifed Manufacturers]
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3.5 - 23
3.5
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Reference Voltage
VREF
V
DIFF  = 3.0V, TA = 25°C
-1.262
-1.238
V
DIFF  = 3.0V
-1.280
-1.220
V
V
DIFF  = 40V
-1.280
-1.220
Line Regulation
RLINE
3.0 V ≤
V
DIFF  ≤ 40V, TA = 25°C
-4.5
4.5
(Note 1)
3.0V ≤
V
DIFF  ≤ 40V
-13.8
13.8
mV
Load Regulation
RLOAD
V
DIFF = 5V, 8mA ≤ IL ≤ 200 mA
-25
25
(Note 1)
V
DIFF = 15V, 8mA ≤ IL ≤ 200m, ATA = 25°C
-25
25
mV
V
DIFF  40V, 8mA ≤ IL ≤150 mA, ATA = 25°C
-25
25
V
DIFF = 40V, 8mA ≤ IL ≤ 50 mA
-50
50
Thermal Regulation
VRTH
Vin = -16.25V, IL =330 mA
-5
5
mV
Pd =5 Watts, t = 10 ms, TA = 25°C
Ripple Rejection
RN
f = 120 Hz, Vout = Vref
66
dB
(Note 2)
CAdj = 10 µF
Adjustment Pin Current
IAdj
V
DIFF  = 3.0V
100
V
DIFF  = 40V
100
µA
Adjustment Pin
∆IAdj
Current Change
(line)
3V ≤
V
DIFF  ≤ 40V
-5
5
µA
∆IAdj
(load)
V
DIFF  = 5V, 8mA ≤ IL ≤ 500 mA
-5
5
µA
Miminum Load Current
ILmin
V
DIFF  = 3.0V, Vout = -1.4V (forced)
3.0
V
DIFF  = 10V, Vout = -1.4V (forced)
3.0
mA
V
DIFF  = 40V, Vout = -1.4V (forced)
5.0
Current Limit
ICL
V
DIFF  ≤5V
0.5
1.8
(Note 2)
V
DIFF  = 40V, TA = 25°C
0.15
0.65
A
Notes:
1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2. If not tested, shall be guaranteed to the specified limits.
3. The
denotes the specifications which apply over the full operating temperature range.
OM1325NTM, OM1325STM, OM1325NKM, OM1325SMM, OM1325NMM, OM1325N2M
*Cin is required if regulator is located more
than 4 inches from power supply filter. A 1 µF
solid tantalum or 10 µF aluminum electrolytic is
recommended.
** Co is necessary for stability. A 1 µF solid
tantalum or 10 µF aluminum electrolytic is
recommended.
Vout = -1.25 V (1 +R2)
R1
OM1325STM
1.0µF
1.0µF
-VIN
-VOUT
VOUT
VIN
IAdj
IPROG
CIN*CO**
R2
R1
120Ω
+
+
TYPICAL APPLICATION
ELECTRICAL CHARACTERISTICS -55°C ≤ T
A ≤ 125°C, IL = 8mA (unless otherwise specified)
OM1325N2M




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