SI9140CQ VISHAY [Vishay Siliconix], SI9140CQ Datasheet - Page 2

• Manufacturer Part Number: SI9140CQ
• Description: SMP Controller For High Performance Process Power Supplies
• Manufacturer: VISHAY [Vishay Siliconix]

Si9140
Vishay Siliconix
S-58034—Rev. G, 15-Mar-99
2
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND.
V
P
V
Linear Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 V to V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 V to V
Peak Output Drive Current . . . . . . . . . . . . . . . . . . . . . . . . . . .350 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Power Dissipation (Package)
16-Pin SOIC (Y Suffix)
16-Pin TSSOP (Q Suffix)
* Exposure to Absolute Maximum rating conditions for extended periods may affect device reliability. Stresses above Absolute Maximum rating may cause
permanent damage. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be
applied at any one time.
RECOMMENDED OPERATING RANGE
Voltages Referenced to GND.
V
V
f
R
OSC
DD
GND
DD
DD
S
OSC
SPECIFICATIONS
Reference
Output Voltage
Oscillator
Maximum Frequency
Accuracy
R
Voltage Stability
Temperature Stability
Error Amplifier (C
Input Bias Current
Open Loop Voltage Gain
Offset Voltage
Unity Gain Bandwidth
Output Current
Power Supply Rejection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 V to 6.5 V
OSC
, V
to V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 kHz to 2 MHz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 k to 250 k
S
Voltage
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V
Parameter
c
b
c
c
OSC
c
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW
c
c
. . . . . . . . . . . . . . . . . . . . . . . . . . . 925 mW
= GND, OSC Disabled)
a
Symbol
V
V
P
A
f
f
V
ROSC
BW
MAX
OSC
I
I
REF
VOL
SRR
EA
FB
OS
f/f
C
V
OSC
4 V
DD
Unless Otherwise Specified
= 5 V, C
= 100 pF, R
Source (V
3 V
DD
DD
Sink (V
V
V
DD
+0.3 V
+0.3 V
NI
Referenced to 25°C
Test Conditions
0.3 V
3 V < V
V
= V
OSC
I
DD
GND = P
6 V, Ref to 5 V, T
FB
REF
V
V
FB
REF
OSC
NI
DD
= 2 V, NI = V
= 47 pF, R
= -10 A
= 1 V, NI = V
6.5 V, V
= V
DD
, V
= 5 V
Thermal Impedance (
16-Pin SOIC (Y Suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140°C/W
16-Pin TSSOP (Q Suffix). . . . . . . . . . . . . . . . . . . . . . . . . . . . 135°C/W
Operating Temperature
C Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to 70°C
D Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40° to 85°C
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 7.2 mW/°C above 25°C.
c. Derate 7.4 mW/°C above 25°C.
C
Linear Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V
V
= 7.50 k , T
REF
< 6.5 V
OSC
FB
REF
GND
= 1.0 V
Load Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >150 k
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 pF to 200 pF
OSC
REF
= V
A
REF
= 5.0 k
= 25°C
A
S
)
T
A
)
= 25°C
a
= 25°C
JA
)
1.455
1.477
Min
0.85
FaxBack 408-970-5600, request 70026
-1.0
-15
2.0
0.4
47
-8
D Suffix -40 to 85°C
b
C Suffix 0 to 70°C
Limits
Typ
1.50
-2.0
1.0
1.0
0.8
±5
55
10
60
0
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Max
1.545
1.523
1.15
-1.0
1.0
15
8
b
Unit
MHz
MHz
mV
mA
µA
dB
dB
%
V
V
DD
DD