参数资料
型号: SI9119DY-T1-E3
厂商: Vishay Siliconix
文件页数: 6/11页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO CM 16SOIC
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 80%
电源电压: 10 V ~ 16.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
Si9118, Si9119
Product is End of Life 3/2014
Vishay Siliconix
PIN CONFIGURATIONS AND ORDERING INFORMATION
+ V I N
P W M/PSM
V REF
1
2
3
16
15
14
V CC
DR
- V I N
+ V I N
P W M/PSM
V REF
1
2
3
16
15
14
V CC
DR
- V I N
N I
FB
COMP
SS/E N
C OSC
4
5
6
7
8
SOIC
Si911 8 DY
Top V ie w
13
12
11
10
9
D MAX
V SC
I CS
I LIMIT
R OSC
N I
FB
COMP
SS/E N
C OSC
4
5
6
7
8
SOIC
Si9119DY
Top V ie w
13
12
11
10
9
D MAX
SY N C
I CS
I LIMIT
R OSC
ORDERING INFORMATION
Part Number
Si9118DY
Si9118DY-T1
Si9118DY-T1-E3
Si9119DY
Si9119DY-T1
Si9119DY-T1-E3
PIN DESCRIPTION
Temperature Range
- 40 to 85 °C
Package
SOIC-16
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
www.vishay.com
6
Symbol
+V IN
PWM/PSM
V REF
NI
FB
COMP
SS/EN
C OSC
R OSC
I LIMIT
I CS
SYNC or V SC
D MAX
-V IN
D R
V CC
Description
Input bus voltage ranging from 10 V to 200 V.
Connected to V REF forces the converter into PWM mode. Connected to -V IN forces the converter into PSM
mode.
4 V reference voltage. Decouple with 0.1 μ F ceramic capacitor.
Non-inverting input of an error amplifier.
Inverting input of an error amplifier.
Error amplifier output for external compensation network.
Programmable soft-start with external capacitor or externally controlled disable mode.
External capacitor to determine the switching frequency.
External resistor to determine the switching frequency.
Pulse by pulse peak current limiting pin. When the current sense voltage exceeds the current limit threshold,
the gate drive signal is terminated. I LIMIT is also used to sense the current in pulse skipping mode.
Current sense input to control feedback response.
Si9118: slope compensation pin. Si9119: clock synchronization pin. Logic high to low transition from external
signal synchronizes the internal clock frequency.
Sets the maximum duty cycle. Internally, the maximum duty cycle is clamped to 80 %.
Single point ground.
Gate drive for the external MOSFET switch.
Supply voltage for the IC after the startup transition.
Document Number: 70815
S11-0975–Rev. E, 16-May-11
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
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