SI9118DB Vishay, SI9118DB Datasheet - Page 3

• Manufacturer Part Number: SI9118DB
• Description: Pulse Width Modulation (PWM) Controller IC
• Manufacturer: Vishay

Specifications of SI9118DB

• Silicon Manufacturer: Vishay
• Application Sub Type: Pulse Width Modulation (PWM) Controller
• Kit Application Type: Power Management
• Silicon Core Number: SI9118
• Kit Contents: Board
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Document Number: 70815
S-60550–Rev. D, 3-Apr-06
SPECIFICATIONS
Parameter
V
Threshold Voltage
Oscillator
Initial Accuracy
Voltage Stability
Temperature Coefficient
Sync High Pulse Width (Si9119)
Sync Low Pulse Width (Si9119)
Sync Rise/Fall Time (Si9119)
Sync Logic Low (Si9119)
Sync Logic High (Si9119)
Sync Range
PWM/PSM
PWM/PSM Logic High
PWM/PSM Logic Low
D
Accuracy
Error Amplifier (OSC Disabled)
Input BIAS Current
Input OFFSET Voltage
Open Loop Voltage Gain
Unity Gain Bandwidth
Output Current
Power Supply Rejection
Pre-Regulator/Start-up
Input Voltage
Input Leakage Current
Pre-Regulator Start-Up Current
Undervoltage Lockout
V
Supply
Supply Current
CC
MAX
REG
Pre-Regulator Turn-Off
- V
UVLO
c
c
(Si9119)
d
c
c
c
c
OSC TC
Symbol
V
V
PSRR
I
f
V
V
START
A
f
I
+V
OSC
f
+I
DELTA
BW
UVLO
OSC
Δf/f
V
V
V
V
OUT
I
EXT
I
REG
OS2
VOL
FB
CC
IH
IH
IL
IL
IN
IN
c
Pulse Width ≤ 300 µs, V
Unless Otherwise Specified
Δf/f = [f(16.5 V) - f(9.5 V)] / f(9.5 V)
I
- 40 ≤ T
f
PRE_REGULATOR
OSC
R
Source (V
C
R
R
- V
OSC
Sink (V
LOAD
OSC
OSC
Test Conditions
IN
= 100 kHz with 1 % Resistor
V
V
10 V ≤ V
I
= 0 V, V
= 374 kΩ, C
IN
= 70 kΩ, C
= 70 kΩ, C
A
FB
CC
≤ 50 pF, f
≤ 85 °C, f
FB
= 10 µA
= 5 V, NI = V
FB
≥ 10 V
= 4.5 V, NI = V
= 3.5 V, NI = V
CC
CC
= 15 µA
OSC
10 V
OSC
OSC
≤ 16.5 V
CC
OSC
OSC
= V
= 100 kHZ
= 200 pF
= 200 pF
= 100 kHz
REF
= 200 pF
ULVO
REF
REF
)
)
Temp
Room
Room
Room
Room
Room
Room
a
1.05 x f
D Suffix - 40 to 85 °C
- 1.0
Min
450
200
200
200
1.8
1.0
8.7
8.0
0.3
90
65
50
4
4
8
OSC
Limits
Si9118/Si9119
< 1.0
Vishay Siliconix
Typ
± 10
- 2.7
100
500
200
± 5
2.7
2.4
9.3
8.6
0.7
1.9
80
80
15
1
b
± 200
Max
± 25
www.vishay.com
110
550
500
200
0.8
0.8
9.8
9.3
3.0
10
2
ppm/°C
MHz
Unit
kHz
kHz
mA
mA
mA
mV
dB
dB
ns
nA
µA
%
%
V
V
V
V
3