- 您现在的位置：买卖IC网 > PDF目录15372 > SP6123ACN-L/TR (Exar Corporation)IC REG CTRLR BUCK PWM VM 8NSOIC PDF资料下载
参数资料
| 型号： | SP6123ACN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 8NSOIC |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 550kHz |
| 占空比： | 93% |
| 电源电压： | 3 V ~ 5.5 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V CC ....................................................................................................... 7V
BST .................................................................. 13.2V
BST-SWN .............................................................. 7V
All other pins ................................ -0.3V to V CC + 0.3V
Peak Output Current < 10 μ s
GH,GL .................................................................. 2A
Storage Temperature ........................ -65 ° C to 150 ° C
Power Dissipation
Lead Temperature (Soldering, 10 sec) ............ 300 ° C
ESD Rating. ................................................ 2kV HBM
ELECTRICAL CHARACTERISTICS
Unless otherwise specified: 0 ° C < T A < 70 ° C, 3.0V < V CC < 5.5V, C COMP = 22nF, CGH = CGL = 3.3nF, V FB = 0.8V,
SWN = GND=0V, typical value for design guideline only.
PARAMETER
MIN
TYP MAX
UNITS
CONDITIONS
QUIESCENT CURRENT
V CC Supply Current
V CC Supply Current (Disabled)
0.5
30
1.0
60
mA
μ A
No Switching
COMP = 0V
ERROR AMPLIFIER
Error Amplifier Transconductance
0.6
mS
COMP Sink Current
COMP Source Current
15
15
35
35
60
60
μ A
μ A
V FB = 0.9V, COMP = 0.9V, No Faults
V FB = 0.7V, COMP = 2V
COMP Output Impedance
V FB Input Bias Current
3
100
M ?
nA
Error Amplifier Reference
0.788 0.8
0.812
V
Trimmed with Error Amp in Unity Gain
OSCILLATOR & DELAY PATH
Internal Oscillator Frequency
Internal Oscillator Frequency
Max. Controlled Duty Cycle
Minimum Duty Cycle
Minimum GH Pulse Width
270
450
90
300
500
93
100
330
550
0
250
kHz
kHz
%
%
ns
SP6123
SP6123A
Comp=0.7V
V CC > 4.5V, Ramp up COMP voltage until
GH starts switching
CURRENT LIMIT
Internal Current Limit Threshold
160
200
240
mV
V CC - V SWN ; Temp = 25 ° C;
V BST - V CC > 2.5V
Current Limit Threshold
Temperature Coefficient
Current Limit Time Constant
SOFT START, SHUTDOWN, UVLO
Internal Soft Start Slew Rate
0.34
15
%/C
us
SP6123A
SP6123
COMP Discharge Current
0.2
0.1
185
0.60
0.3
0.95
0.6
V/ms
V/ms
μ A
COMP = 0.5V, Fault Initiated
COMP Clamp Voltage
0.55 0.65
0.75
V
V FB = 0.9V
COMP Clamp Current
10
30
65
μ A
COMP = 0.5V, V FB = 0.9V
Shutdown Threshold Voltage
0.29 0.34
0.39
V
Measured at COMP Pin
Shutdown Input Pull-up Current
V CC Start Threshold
V CC Stop Threshold
2
2.63
2.47
5
2.8
2.7
10
2.95
2.9
μ A
V
V
COMP = 0.2V, Measured at COMP pin
Date: 9/13/04
SP6123 Low Voltage, Synchronous Step Down PWM Controller
2
? Copyright 2004 Sipex Corporation
相关PDF资料 |
PDF描述 |
|---|---|
| VE-J1J-EW-F4 | CONVERTER MOD DC/DC 36V 100W |
| 2727-02J | INDUCTOR TOROID 12UH SHIELD RADL |
| 2727-01J | INDUCTOR TOROID 10UH SHIELD RADL |
| VE-J1J-EW-F3 | CONVERTER MOD DC/DC 36V 100W |
| VE-J1J-EW-F2 | CONVERTER MOD DC/DC 36V 100W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SP6123AEN-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP6123CN | 制造商:Exar Corporation 功能描述:Swithed-Mode Power Supply Controller, Voltage Mode Type, 8 Pin, Plastic, SOP |
| SP6123CN/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Synchronous Step-Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters |
| SP6123CN-L | 功能描述:电压模式 PWM 控制器 Low Voltage, Micro 8 Synchronous, Cntrllr RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| SP6123CN-L/TR | 功能描述:电压模式 PWM 控制器 Low Voltage, Micro 8 Synchronous, Cntrllr RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。