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參數(shù)資料
| 型號： | FAN5235 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | System Electronics Regulator for Mobile PCs |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 345 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | QSOP-24 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 85K |
| 代理商： | FAN5235 |
FAN5235
4
REV. 1.3.3 1/3/02
ELECTRICAL SPECIFICATIONS
Operating Conditions
Recommended Operating Conditions Unless Noted Refers to Block Diagrams
Parameter
Supply
V
IN
Input Supply Voltage
Input Quiescent Current
Conditions
Min.
Typ.
Max.
Units
(DC loading only) Note 1
H/LSD Open
Stand-by
Shut-down
Rising Vbat
hysteresis
5.4
24
3
400
5
5.1
V
1.4
300
<1
4.7
500
mA
μA
μA
V
mV
Input UVLO Threshold
4.3
5V and 3.3V Main Regulators
Output Voltage Precision
Oscillator Frequency, f
HSD On-Resistance, pull up
HSD On Resistance pull down
LSD On-Resistance, pull up
LSD On Resistance pull down
HSD On Output, V
HSD Off Output, V
LSD On Output, V
LSD Off Output, V
Ramp Amplitude, pk-pk
Ramp Offset
Ramp Gain from V
Error Amplifier GBW
Current Limit Threshold
Over Voltage Threshold
Under Voltage Threshold
SDN/SS Full On Voltage Min.
SDN/SS Full Off Voltage Max.
Max Duty Cycle
Min PWM Time
VFB3.3 Input Leakage Current
12V Regulator
Output Voltage Precision
0.1 to 5.5A, 5.4 to 24V
-2
255
+2
345
12
10
9
8
100
100
100
100
%
kHz
mV
mV
mV
mV
V
V
mV/V
MHz
μA
%VO
%VO
V
mV
%
nsec
μA
osc
300
7
4
6
5
CPUMP
-V
GS
I = 10μA
I = 10μA
I = 10μA
I = 10μA
VIN = 16V
GS
5V-Always
-V
GS
GS
2
0.5
125
3
135
115
75
IN
R2, R8 = 1K
2μs delay
2μs delay
(End of Soft Start)
90
110
70
4.2
180
120
80
800
94
200
55
40
70
V_5 =4.9 to 5.1V
and Io=0 to 150mA
-2
+2
%
V
V
Oscillator Frequency (f
Gate Drive On-Resistance
FB12
2.472
100
100
6
V
nA
kHz
FB12
Input Current
Note 2
200
115
12
osc
/3)
85
High or Low
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| FAN5235MTC_Q | 功能描述:DC/DC 開關(guān)控制器 Regulator System Electronics RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| FAN5235MTCX | 功能描述:DC/DC 開關(guān)控制器 Regulator System Electronics RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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