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IX9915NTR

P1-P3P4-P6P7-P9P10-P10
I
NTEGRATED
C
IRCUITS
D
IVISION
IX9915
4 www.ixysic.com R01
1.4 Electrical Characteristics
1 Reference voltage measured at Pin FB under the specified conditions.
2 Deviation parameters V
REF(DEV)
and I
IB(DEV)
are defined as the difference between the minimum and maximum values obtained over the rated temperature range.
3 With two external resistors, the total shunt transconductance of the circuit is defined as:
1.5 Test Diagrams
Figure 1: V
REF
, I
IB
, V
REF
/V
CC
, g
M
Test Circuit
Parameter Symbol Conditions Min Typ Max Unit
Input Characteristics @25°C (Unless Otherwise Specified)
Supply voltage
V
CC
T
A
=-40°C to +85°C
1.3 - 12.5 V
Reference voltage
1
V
REF
V
CC
=1.6V, I
OC
=10mA (Fig. 1)
V
T
A
=25°C
1.286 1.299 1.312
T
A
=-40°C to +85°C
1.280 1.299 1.318
Deviation of V
REF
over temperature
2
V
REF(DEV)
V
CC
=1.6V, I
OC
=10mA, T
A
=-40°C to +85°C (Fig. 1)
-821mV
Ratio of V
REF
variation to V
CC
change V
REF
/V
CC
1.3V < V
CC
< 12.5V, I
OC
=10mA (Fig. 1)
- -0.37 -2.7 mV/V
FB input bias current
I
IB
V
CC
=1.6V, I
OC
=10mA (Fig. 1)
0.1 0.34 0.5 A
Deviation of I
IB
over temperature
2
I
IB(DEV)
V
CC
=1.6V, I
OC
=10mA, (Fig. 1)
A
T
A
=-40°C to +85°C
-0.40.6
Quiescent bias current
I
Q
V
CC
=1.6V, V
FB
= V
REF,
I
OC
=0mA (Fig. 3)
- 75 100 A
Error amplifier Off-State current
I
CC(off)
V
OC
=V
CC
=12.5V, V
FB
=0V (Fig. 2)
0.001 0.1 A
Shunt Transconductance
3
g
m
(I
OC
/V
FB
)V
CC
=1.6V, I
OC
= 0.2mA to 10mA, f=1kHz
-1-S
Darlington Characteristics @25°C (Unless Otherwise Specified)
Collector-emitter voltage breakdown
BV
CEO
I
CE
=100A
350 - - V
Collector current
I
CE
V
CE
=200V, R
B
=1M (Fig. 4)
- - 100 nA
Base-emitter On voltage
V
BE(ON)
I
CE
=40mA, V
CE
=2V
--1.8V
Collector-emitter saturation voltage
V
CE(SAT)
I
C
=100mA, I
B
=150A
--1.2V
Current gain
h
FE
I
CE
=40mA, V
CE
=2V
2500 - 40000 -
g
m
g
m
1
R
1
R
2
------
+
---------------
=
+
_
+
_
+
OC
FB
V
CC
C
E
B
V
SS
I
OC
I
Q
I
IB
V
REF
R
2
R
1
V
CC
I
NTEGRATED
C
IRCUITS
D
IVISION
IX9915
R01 www.ixysic.com 5
Figure 2: I
CC(OFF)
Test Circuit
Figure 3: I
Q
Test Circuit
Figure 4: I
CE
Test Circuit
+
_
+
_
+
OC
FB
V
CC
C
E
B
V
SS
V
CC
+
_
+
_
+
OC
FB
V
CC
C
E
B
V
SS
I
OC
I
Q
I
IB
V
FB
R
2
R
1
V
CC
+
_
+
_
+
OC
FB
V
CC
C
E
B
V
SS
V
CE
R
B
I
NTEGRATED
C
IRCUITS
D
IVISION
IX9915
6 www.ixysic.com R01
1.6 Performance Data
Temperature (ºC)
-50 -25 0 25 50 75 100 125 150
1.270
1.280
1.290
1.300
1.310
1.320
V
REF
vs. Temperature
V
REF
(V)
Temperature (ºC)
-50 -25 0 25 50 75 100 125
I
IB
(nA)
100
200
300
400
500
600
700
FB Input Bias Current vs. Temperature
(I
OC
=10mA)
Temperature (ºC)
-50 -25 0 25 50 75 100 125
I
OC
Off Current (nA)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Off-State Current vs. Temperature
(V
OC
=13.2V, V
FB
=0V)
Temperature (ºC)
-50 -25 0 25 50 75 100 125 150
V
OC(sat)
(V)
0.00
0.05
0.10
0.15
0.20
0.25
Saturation Voltage vs. Temperature
(I
OC
=10mA)
P1-P3P4-P6P7-P9P10-P10

IX9915NTR

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