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Details, datasheet, quote on part number:UPC574
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| Part: | UPC574 |
| Category: | Discrete => Transistors => Bipolar |
| Description: | Monolithic Bipolar Integrated Circuit Voltage Stabilizer For Electronic Tuner |
| Company: | NEC Electronics Inc. |
| Datasheet: | Download UPC574 datasheet File size : 62 kB |
| Request For quote: | Find where to buy UPC574
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Datasheet text preview:
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC574
MONOLITHIC BIPOLAR INTEGRATED CIRCUIT VOLTAGE STABILIZER FOR ELECTRONIC TUNER
The µPC574 is a monolithic integrated voltage stabilizer especially designed as voltage supplier for electronic tuners.
FEATURES
· Low temperature coefficient · Low dynamic resistance · Typical reference voltage of 33 V
EQUIVALENT CIRCUIT
2 R4
PIN CONFIGURATION (Marking Side)
µPC574J: 2-pin plastic SIP (TO-92)
D1 D2 D3 D4 D5 Q3 R3 Q2 Q1 R2 R1 1
1 1. Anode 2. Cathode
2
ORDERING INFORMATION
Part Number Package 2-pin plastic SIP (TO-92)
µP C 5 7 4 J
The information in this document is subject to change without notice. Document No. S13200EJ4V0DS00 (4th edition) (Previous No. IC-1006) Date Published January 1998 N CP(K) Printed in Japan
The mark
shows major revised points.
©
1998
µPC574
ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified.)
Parameter Zener Current Power Dissipation Operating Ambient Temperature Range Storage Temperature Range Symbol IZ PD TA T stg Ratings 10 200 (TA = 75°C) 20 to +75 40 to +125 Unit mA mW °C °C
Caution Exposure to Absolute Maximum Ratings for extended periods may affect device reliability; exceeding the ratings could cause permanent damage. The parameters apply independently. The device should be operated within the limits specified under DC and AC Characteristics.
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified.)
Parameter Stabilized Voltage Stabilized Voltage Temperature Drift Dynamic Resistance Symbol VZ IZ = 5 mA IZ = 5 mA, TA = 20 to +75°C Conditions MIN. 31 1.0 0 TYP. MAX. 35 +1.0 Unit V m V /° C
VZ/T
rZ
IZ = 5 mA, f = 1 kHz, IAC = 0.5 mA
10
25
2
µPC574
TYPICAL CHARACTERISTIC (TA = 25°C, unless otherwise specified.)
Power Dissipation vs. Ambient Temperature 80 60 Dynamic Resistance vs. Zener Current
Free Air
PD - Power Dissipation - mW
400
rZ - Dynamic Resistance -
40 IAC = IZ 10 f = 1 kHz
300
20
200
10 8 6 4
100
2 20 0 25 50 75 TA - Operating Ambient Temperature - °C 0 2 4 6 8 IZ - Zener Current - mA 10
VZ/ T - Stabilized Voltage Temperature Drift - mV/°C
Stabilized Voltage Temperature Drift vs. Zener Current
Stabilized Voltage Variation vs. Time
+4 +3 +2 +1 0 1 2 3 4 0 2 4 6 8 IZ - Zener Current - mA 10
VZ - Stabilized Voltage Variation - mV
+80 +60 +40 +20 0 20 40 60 80 0 5 10 15 203040 50 1 s. t - Time 5 10 20 30 min.
IZ = 5 mA XY Recoder Free Air IZ = 5 mA + VZ = 33.11 V VREF
( VZ/VZ) × 100 - Stabilized Voltage Variation - %
Stabilized Voltage Variation & Supply Voltage Variation vs. Zener Current +1.0
+0.2 0 0.2 0.4 0.6 0.8 1.0 0 2
=
1
10
+0.4
VB
V
574J
VZ
k
2
RS
+0.6
=2
RS
A
IZ
+30 +20 +10 0
10 VZ = VZ (IZ) VZ (5) 20 TA = 20 °C TA = +25 °C 30 TA = +75 °C
4 6 8 IZ - Zener Current - mA
10
VB - Supply Voltage Variation - V
+0.8
R
S
0k
Reference IZ = 5 mA
3
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