参数资料
| 型号： | SP6128ASEY-L |
| 厂商： | Exar Corporation |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 14TSSOP |
| 标准包装： | 94 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 330kHz |
| 占空比： | 90% |
| 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： | -40°C ~ 85°C |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 管件 |
ABSOLUTE MAXIMUM RATINGS
V CC, PV CC ......................................................................................... 7V
BST .................................................................. 13.2V
BST-SWN .............................................................. 7V
SWN ............................................................ -1V to 7V
GH ............................................... -0.3V to BST +0.3V
GH-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 .............................................. 1.3W
Junction Temperature, T J ................................ 125 ° C
Lead Temperature (Soldering, 10 sec) ............ 300 ° C
ESD Rating. ................................................ 2kV HBM
Thermal Resistance θ JC ............................. 31.7 ° C/W
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.
ELECTRICAL CHARACTERISTICS
Unless otherwise specified: -40 ° C < T A < 85 ° C, 3.0V < PV CC = 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
PV CC Supply Current
V CC Supply Current(Disabled)
PV CC Supply Current (Disabled)
0.5
1
30
1
1.0
20
60
20
mA
μ A
μ A
μ A
No Switching
No Switching, GH = Low
COMP=0V
COMP=0V
ERROR AMPLIFIER
Error Amplifier Transconductance
0.6
ms
COMP Sink Current
COMP Source Current
10
10
35
35
65
65
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
130
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
270
300
330
kHz
Maximum Controlled Duty Cycle
Minimum Duty Cycle
90
0
%
%
Loop in control - 100% DC Possible
Comp=0.7V
Minimum GH Pulse Width
150
250
ns
PV CC > 4.5V, Ramp up COMP voltage
until GH starts switching
CURRENT LIMIT
I SET Pin Sink Current
10
12.5
15
μ A
Temp = 25 ° C
I SET Current Temperature Coefficient
Current Limit Time Constant
3400
15
ppm/ ° C
μ s
Overcurrent Comparator
100
125
150
mV
VI SET - V SWN , Temp = 25 ° C
Threshold Voltage
Threshold Voltage Temperature
Coefficient
3400
ppm/ ° C
Rev. 08/19/05
SP6128A Low Voltage, Synchronous Step Down PWM Controller
2
? Copyright 2005 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP6128ASEY-L/TR | 功能描述:开关变换器、稳压器与控制器 Low Voltage Synchronous Step Dwn RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SP6128EB | 功能描述:电源管理IC开发工具 Eval Board for SP6128 Series RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| SP613 | 制造商:Power-One 功能描述: |
| SP6132 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input, 300KHz Synchronous PWM Controller |
| SP6132ACU | 制造商:Exar Corporation 功能描述:SMPS CONTROLLER |
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