參數(shù)資料
型號(hào)： SP6128AHY
英文描述： Low Voltage, Synchronous Step Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters
中文描述： 低電壓，為第2A同步降壓PWM控制器的理想下至10A，占地面積小，DC - DC電源轉(zhuǎn)換器
文件頁數(shù)： 2/10頁
文件大?。?/td> 135K
代理商： SP6128AHY
2
Rev. 08/19/05
SP6128A Low Voltage, Synchronous Step Down PWM Controller Copyright 2005 Sipex Corporation
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)
ERROR AMPLIFIER
Error Amplifier Transconductance
COMP Sink Current
COMP Source Current
COMP Output Impedance
V
FB
Input Bias Current
Error Amplifier Reference
OSCILLATOR & DELAY PATH
Internal Oscillator Frequency
Maximum Controlled Duty Cycle
Minimum Duty Cycle
Minimum GH Pulse Width
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
0.6
35
35
3
ms
μ
A
μ
A
M
nA
V
10
10
65
65
V
FB
= 0.9V, COMP = 0.9V, No Faults
V
FB
= 0.7V, COMP = 2V
130
0.812
0.788 0.8
Trimmed with Error Amp in Unity Gain
270 300
330
kHz
%
%
ns
90
Loop in control - 100% DC Possible
Comp=0.7V
PV
CC
> 4.5V, Ramp up COMP voltage
until GH starts switching
0
150
250
CURRENT LIMIT
I
SET
Pin Sink Current
I
SET
Current Temperature Coefficient
Current Limit Time Constant
Overcurrent Comparator
Threshold Voltage
Threshold Voltage Temperature
Coefficient
10 12.5
3400
15
μ
A
Temp = 25
°
C
ppm/
°
C
μ
s
mV
15
100 125
150
VI
SET
- V
SWN
, Temp = 25
°
C
3400
ppm/
°
C
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.
V
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
................................ 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.
ABSOLUTE MAXIMUM RATINGS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP6128AHY/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Voltage, Synchronous Step Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters
SP6128AHY-L 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Low Voltage Synchronous Step Dwn RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SP6128AHY-L/TR 功能描述:電壓模式 PWM 控制器 Low Voltage Synchronous Step Dwn RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
SP6128ASEY-L 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Low Voltage Synchronous Step Dwn RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SP6128ASEY-L/TR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Low Voltage Synchronous Step Dwn RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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