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參數(shù)資料
型號(hào): FAN5231
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Micropower 5V, 100mA Low Dropout Linear Regulator
中文描述: 1 A SWITCHING REGULATOR, 345 kHz SWITCHING FREQ-MAX, PDSO28
封裝: QSOP-28
文件頁數(shù): 4/17頁
文件大小: 360K
代理商: FAN5231
FAN5231
4
REV. 1.1.1 8/15/01
Electrical Specifications
(Recommended Operating Conditions, Unless Otherwise Noted. Refer to Figures 1, 2 and 3)
Parameter
Symbol
Test Condition
Min.
Typ. Max Units
VCC Supply
Nominal Supply Current
Shut-down Supply Current
Battery Pin Supply Current
Battery Pin Leakage Current at
Shut-Down
Power-On Reset
Rising VCC Threshold
Falling VCC Threshold
Oscillator
Free Running Frequency
Ramp Amplitude, pk-pk
Ramp Offset
Reference, DAC and Soft Start
VID0-VID4 Input Low Voltage
VID0-VID4 Input High Voltage
VID0-VID4 Pull-up Current to VCC
DAC Voltage Accuracy
Soft-Start Current During Start-Up
Soft-Start Current During Mode
Change
Enable
Enable Voltage Low
Enable Voltage High
I
I
I
I
CC
GATE1, GATE2 Open
2
30
2.5
50
100
5
mA
μA
μA
μA
CCS
VIN
VINSD
4.3
3.9
4.5
4.1
4.6
4.3
V
V
255
300
2
0.5
345
kHz
V
V
Vbat = 16V
1
0.8
+1.0
36
650
V
V
μA
%
μA
μA
2.0
-1.0
18
350
Measured at pin 18
VSS = 0V…0.9V
VSS = 0.925V…2.0V
I
I
SSM
SS
27
500
V
V
ENLOW
IC Inhibited
IC Enabled
Input has internal pull-up current
source 2μA typ
0.8
V
V
ENHIGH
2.0
PWM 1 Converter
Output Voltage
VOUT1
Defined by the current VID code
(Table 1)
100mA < I
VOUT1
< 15.0A
0.925
2.0
V
Static Load Regulation
-2.0
+2.0
%
Under-Voltage Shut-Down Level
V
UV1
Percent of the voltage set by VID
code. Disabled during dynamic VID
code change.
70
75
80
%
Under-Voltage Shut Down Delay
T
DOC1
1.4
μs
Over-Voltage
V
OVP1
Percent of the voltage set by VID
code.
110
115
120
%
Over-Voltage Shut Down Delay
Over-Current Comparator
Threshold
PWM 2 Converter
Output Voltage
Load Regulation
T
I
OC1
DOV1
2.4
135
μs
μA
100
170
VOUT2
1.5
V
%
100mA < I
VOUT3
< 2.1A
-2.0
+2.0
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參數(shù)描述
FAN5231 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN5231QSC 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 QSOP-28 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
FAN5231QSCX 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 QSOP-28 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
FAN5232 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Adjustable PWM Buck Controller for LCD PCs
FAN5232_CBC3116B WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
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