参数资料
型号: SI9150CY-T1-E3
厂商: Vishay Siliconix
文件页数: 1/8页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14-SOIC
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 345kHz
占空比: 100%
电源电压: 5.7 V ~ 18 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
Product is End of Life 3/2014
Si9150
Vishay Siliconix
Synchronous Buck Converter Controller
DESCRIPTION
FEATURES
The Si9150 synchronous buck regulator controller is ideally
suited for high-efficiency step down converters in battery-pow-
ered equipment. Combined with the Si9943DY MOSFET half-
bridge, a 90 % efficient, 7.5 W, 3.3 V or 5 V power supply can
be implemented using standard surfacemount assembly tech-
niques. The wide input range allows operation from NiCd or
NiMH battery packs using six to ten cells.
Over-current protection is achieved by sensing the on-state
voltage drop across the high side P-Channel MOSFET, which
eliminates the need for a current sense resistor.
Duty ratios of 0 to 100 % and switching frequencies up to
300 kHz are possible. The IC can be disabled by pulling EN low
(I DD = 100 μA), or the 2.5 V reference can be maintained, with
all other functions disabled, by pulling STBY low (I DD = 500 μA).
The Si9150 is available in both standard and lead (Pb)-free
14-pin SOIC and rated for the commercial temperature
range of 0 to 70 °C (C suffix), and the industrial temperature
range of - 40 to + 85 °C (D suffix).
FUNCTIONAL BLOCK DIAGRAM
14
V DD
?
?
?
?
?
?
?
?
6 to 16.5 V Input Range (Si9150CY)
Voltage-Mode PWM Control
Low-Current Standby Mode
Enable Control
Dual 100 mA Output Drivers
2 % Band Gap Reference
Multiple Converters Easily Synchronized
Over-Current Protection
1
500 k Ω
20 μA
0.5 V
13
P-GATE
EN
Power Down
UVLO
2
Q
R
S
Oscillator,
Comparators,
& Error Amp
Reference
Generator
Current
Limit
+
-
7
I SENSE
STBY
4.7 V
-
Strobe
SS
3
Ref
Gen
Error
Amplifier
1V
+
OSC
R
S
Q
Break-
Before-
Make
Logic
V DD
12
N-GATE
+
5W
-
6
V REF
5
FB
4
COMP
C T
9
R T
10
8
SYNC
11
GND
Synchronous Buck Regulator Controller
Document Number: 70020
S-40752-Rev. F, 19-Apr-04
www.vishay.com
1
相关PDF资料
PDF描述
RPR30-2415D-F CONV DC/DC 30W 12-36VIN 15VOUT
ADM6315-45D3ART-RL IC SUPERVISOR OD 4.50V SOT143
SEK471M010ST CAP ALUM 470UF 10V 20% RADIAL
RPR30-2415D-1F CONV DC/DC 30W 12-36VIN 15VOUT
SEK3R3M100ST CAP ALUM 3.3UF 100V 20% RADIAL
相关代理商/技术参数
参数描述
SI9150DY 功能描述:DC/DC 开关控制器 Sync Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
SI9150DY-E3 功能描述:DC/DC 开关控制器 Sync Buck Converter Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
SI9150DY-T1 功能描述:DC/DC 开关控制器 Sync Buck Converter Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
SI9150DY-T1-E3 功能描述:DC/DC 开关控制器 Sync Buck Converter Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
SI9160 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Controller for RF Power Amplifier Boost Converter