SI9118_11 Datasheet, PDF (3/11 Pages) Vishay Siliconix – Programmable Duty Cycle Controller

Si9118, Si9119
Vishay Siliconix
SPECIFICATIONS
Parameter
Oscillator
Initial Accuracy^d
Voltage Stability^c
Symbol
f_OSC
f_OSCc
f/f
Temperature Coefficient^c
Sync High Pulse Width (Si9119)
OSC TC
Sync Low Pulse Width (Si9119)
Sync Rise/Fall Time (Si9119)
Sync Logic Low (Si9119)
V_IL
Sync Logic High (Si9119)
V_IH
Sync Range^c (Si9119)
f_EXT
PWM/PSM
PWM/PSM Logic High
V_IH
PWM/PSM Logic Low
V_IL
D_MAX
Accuracy
Error Amplifier (OSC Disabled)
Input BIAS Current
Input OFFSET Voltage
Open Loop Voltage Gain^c
Unity Gain Bandwidth^c
I_FB
V_OS2
A_VOL
BW
Output Current
I_OUT
Power Supply Rejection
Pre-Regulator/Start-up
Input Voltage^c
Input Leakage Current
Pre-Regulator Start-Up Current
V_CC Pre-Regulator Turn-Off
Threshold Voltage
Undervoltage Lockout
V_REG - V_UVLO
Supply
Supply Current
PSRR
+V_IN
+I_IN
I_START
V_REG
V_UVLO
V_DELTA
I_CC
Test Conditions
Unless Otherwise Specified
- V_IN = 0 V, V_CC = 10 V
Limits
D Suffix - 40 to 85 °C
Temp.^a
Min.
Typ.^b Max. Unit
R_OSC = 374 k C_OSC = 200 pF
R_OSC = 70 k C_OSC = 200 pF
R_OSC = 70 k C_OSC = 200 pF
f/f = [f(16.5 V) - f(9.5 V)] / f(9.5 V)
 - 40  T_A 85 °C, f_OSC = 100 kHz
90
100
450
500
1
200
200
200
4
1.05 x f_OSC
110
kHz
550
2
%
500 ^ppm/°C
ns
200
0.8
V
kHz
4
V
0.8
f_OSC = 100 kHz with 1 % Resistor
± 10
%
V_FB = 5 V, NI = V_REF
Source (V_FB = 3.5 V, NI = V_REF)
Sink (V_FB = 4.5 V, NI = V_REF)
10 V V_CC  16.5 V
65
1.8
- 1.0
1.0
50
< 1.0
±5
80
2.7
- 2.7
2.4
80
± 200
± 25
nA
mV
dB
MHz
mA
dB
I_IN = 10 µA
Room
200
V_CC 10 V
Room
Pulse Width 300 µs, V_CC = V_ULVO Room
8
I_{PRE_REGULATOR} = 15 µA
Room
8.7
Room
8.0
Room
0.3
V
10
µA
15
mA
9.3
9.8
8.6
9.3
V
0.7
C_LOAD 50 pF, f_OSC = 100 kHZ
1.9
3.0
mA
Document Number: 70815
www.vishay.com
S11-0975–Rev. E, 16-May-11
3
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000