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参数资料
型号： SI9112DY-T1-E3
厂商： Vishay Intertechnology,Inc.
英文描述： High-Voltage Switchmode Controller
中文描述： 高电压开关模式控制器
文件页数： 2/6页
文件大小： 71K
代理商： SI9112DY-T1-E3
Si9112
Vishay Siliconix
www.vishay.com
2
sDocument Number: 70005
S-42036—Rev. H, 15-Nov-04
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to
V
IN
(V
CC
< +V
IN
+ 0.3 V)
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic Inputs
(RESET, SHUTDOWN, OSC IN)
. . . . . . . . . . . . . . . . .
Linear Inputs (FEEDBACK, SENSE)
HV Pre-Regulator Input Current (continuous)
(Power Dissipation Limited)
Storage Temperature
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 V
80 V
0.3 V to V
CC
+ 0.3 V
0.3 V to V
CC
+ 0.3 V
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . .
25 mA
65 to 150 C
40 to 85 C
Junction Temperature (T
J
)
Power Dissipation (Package)a
14-Pin Plastic DIP (J Suffix)
b
14-Pin SOIC (Y Suffix)
c
Thermal Impedance (
14-Pin Plastic DIP
14-Pin SOIC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
150 C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
750 mW
900 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JA
)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
167 C/W
140 C/W
Notes
a.
b.
c.
Device mounted with all leads soldered or welded to PC board.
Derate 6 mW/ C above 25 C.
Derate 7.2 mW/ C above 25 C.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Voltages Referenced to
V
IN
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
f
OSC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 V to 13.5 V
9 V to 80 V
40 kHz to 1 MHz
R
OSC
Linear Inputs
Digital Inputs
25 k to 1 M
0 to V
CC
3 V
0 to V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS
a
Test Conditions
Unless Otherwise Specified
DISCHARGE =
V
IN
= 0 V
V
CC
= 9 V, +V
IN
= 12 V
R
BIAS
= 270 k
Limits
D Suffix
40 to 85 C
Parameter
Symbol
, R
OSC
= 330 k
Temp
b
Min
d
Typ
c
Max
e
Unit
Reference
Output Voltage
V
R
OSC IN =
V
(OSC Disabled)
R
L
= 10 M
Room
Full
e
3.88
3.82
4.0
4.12
4.14
V
Output Impedance
e
Z
OUT
I
SREF
T
REF
Room
15
30
45
k
Short Circuit Current
V
REF
=
V
IN
Room
70
100
130
A
Temperature Stability
e
Full
0.5
1.0
mV/ C
Oscillator
Maximum Frequency
e
f
MAX
R
OSC
= 0
Room
1
3
MHz
Initial Accuracy
f
OSC
R
OSC
= 330 k, See Note f
Room
80
100
120
kHz
R
OSC
= 150 k, See Note f
Room
160
200
240
Voltage Stability
f/f
f/f = f(13.5 V)
f(9.5 V) / f(9.5 V)
Room
9
15
%
Temperature Coefficient
e
T
OSC
Full
200
500
ppm/ C
Error Amplifier
Feedback Input Voltage
V
FB
FB Tied to COMP
OSC IN =
V
IN
(OSC Disabled)
OSC IN =
V
IN
(OSC Disabled)
OSC IN =
V
IN
, V
FB
= 4 V
Room
3.92
4.00
4.08
V
Input Offset Voltage
V
OS
I
FB
Room
15
40
mV
Input BIAS Current
Room
25
500
nA
Open Loop Voltage Gain
e
A
VOL
BW
OSC IN =
V
IN
Room
60
80
dB
Unity Gain Bandwidth
e
OSC IN =
V
IN
(OSC Disabled)
Error Amp Configured for 60 dB gain
Room
1
1.5
MHz
Dynamic Output Impedance
e
Z
OUT
Room
1000
2000
Output Current
I
OUT
Source V
FB
= 3.4 V
Room
2.0
1.4
mA
Sink V
FB
= 4.5 V
Room
0.12
0.15
Power Supply Rejection
e
PSRR
9 V
V
CC
13.5 V
Room
50
70
dB
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