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UA723F View Datasheet(PDF) - Philips Electronics

Part Name
Description
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UA723F
Philips
Philips Electronics Philips
UA723F Datasheet PDF : 6 Pages
1 2 3 4 5 6
Philips Semiconductors
Precision voltage regulator
Product specification
µA723/723C
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Line Transient Response
4.0
INPUT VOLTAGE
2.0
0
OUTPUT VOLTAGE
0
Load Regulation as a
Function of Input-Output
Voltage Differential
+0.2
VO = +5V
+0.1
VIN = +12V
RSC = 0
TA = +25°C
0
IIL = mA TO IL = 50mA
0.1
–2.0
–4.0
–5
5 15 25 35
TIME — µs
–6.0
45
–0.2
–0.3
–5
5 15
25 35 45
(VIN – VOUT) — V
Figure 4. Typical Performance Characteristics (cont.)
Current Limiting
Characteristics
1.2
1.0
0.8 TA = +125°C
TA = +70°C
0.6 TA = +25°C
TA = 0°C
0.4 TA = –55°C
VO = +5V
0.2 VIN = +12V
RSC = 10
0
0 20 40 60 80 100
OUTPUT CURRENT — mA
SL00506
TYPICAL APPLICATIONS
VIN
CREF
V+
VC
VOUT
VREF
R1
CL
CS
N.I.
INV
V– COMP C1
R2
100pF
RSC
R3
REGULATED
OUTPUT
R2 V+
VC
VREF VOUT
VZ
CL
R4
CS
N.I.
INV
R3
R1 COMP
R5
T1
C1
100pF
REGULATED
OUTPUT
NOTES:
ƪ ƫ R2
VOUT + VREF x R1 ) R2
R1 R2
R3 + R1 ) R2 for minimum temperature drift
NOTE:
ƪ ƫ VREF R1 ) R2
VOUT +
2x
R1
; R3 + R4
Low Voltage Regulator (VOUT = 2 to 7V)
Figure 5. Typical Applications
Negative Voltage Regulator
SL00507
1994 Aug 31
5
 

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