參數(shù)資料
型號(hào)： SP6123ACN
英文描述： CAP .033UF 100V PPS FILM ECH-S
中文描述： 低，同步降壓電壓降壓PWM控制器，適合2A至10A條，占地面積小，DC - DC電源轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/18頁(yè)
文件大小： 154K
代理商： SP6123ACN
2
Date: 5/25/04
SP6123 Low Voltage, Synchronous Step Down PWM Controller Copyright 2004 Sipex Corporation
PARAMETER
MIN
TYP MAX
UNITS
CONDITIONS
QUIESCENT CURRENT
V
CC
Supply Current
V
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
Internal Oscillator Frequency
Max. Controlled Duty Cycle
Minimum Duty Cycle
Minimum GH Pulse Width
0.5
30
1.0
60
mA
μ
A
No Switching
COMP = 0V
0.6
35
35
3
mS
μ
A
μ
A
M
nA
V
15
15
60
60
V
FB
= 0.9V, COMP = 0.9V, No Faults
V
FB
= 0.7V, COMP = 2V
100
0.812
0.788 0.8
Trimmed with Error Amp in Unity Gain
270
450
90
300
500
93
330
550
kHz
kHz
%
%
ns
SP6123
SP6123A
0
Comp=0.7V
V
> 4.5V, Ramp up COMP voltage until
GH starts switching
100
250
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
SP6123A
SP6123
COMP Discharge Current
COMP Clamp Voltage
COMP Clamp Current
Shutdown Threshold Voltage
Shutdown Input Pull-up Current
V
CC
Start Threshold
V
CC
Stop Threshold
0.34
%/C
15
us
0.35 0.60
0.1
185
0.55 0.65
10
0.29 0.34
2
2.63
2.47
0.95
0.6
V/ms
V/ms
μ
A
V
μ
A
V
μ
A
V
V
V
= 0.7V and 0V, measure hiccup cycle
period
COMP = 0.5V, Fault Initiated
V
FB
= 0.9V
COMP = 0.5V, V
FB
= 0.9V
Measured at COMP Pin
COMP = 0.2V, Measured at COMP pin
0.3
0.75
65
0.39
10
2.95
2.9
30
5
2.8
2.7
Unless otherwise specified: 0
°
C < T
< 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.
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP6123ACN/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
SP6123ACN-L 功能描述:電壓模式 PWM 控制器 Low Voltage, Micro 8 Synchronous, Cntrllr 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
SP6123ACN-L/TR 功能描述:電壓模式 PWM 控制器 Low Voltage, Micro 8 Synchronous, Cntrllr 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
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
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