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參數資料
| 型號： | FAN5231QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Analog IC |
| 中文描述： | 0.34 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | PLASTIC, QSOP-28 |
| 文件頁數： | 4/17頁 |
| 文件大小： | 360K |
| 代理商： | FAN5231QSC |
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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| FAN5231QSCX | 功能描述:開關變換器、穩壓器與控制器 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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| FAN5232MTC | 功能描述:DC/DC 開關控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5232MTC_NL | 功能描述:開關變換器、穩壓器與控制器 ANG FG 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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