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參數(shù)資料
| 型號： | FAN5232MTCX_NL |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | LEAD FREE, TSSOP-20 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 82K |
| 代理商： | FAN5232MTCX_NL |
PRODUCT SPECIFICATION
FAN5232
REV. 1.1.0 8/27/01
3
Recommended Operating Conditions
Parameter
Conditions
Min.
Typ.
Max.
Units
VBATT Voltage
5.6
24
V
Ambient Temperature
-20
85
°C
Electrical Specications
(VBATT = 16V, TA = -20 to 85°C, circuit of Figure 1, unless otherwise specied.)
Parameter
Conditions
Min.
Typ.
Max.
Units
Supply
VCC Input Quiescent Current
H/LSD
Open
1.4
mA
Stand-by
60
A
Shut-down
10
A
VCC Input UVLO Threshold
Rising
4.3
4.5
5.1
V
Falling
4.0
4.3
4.7
Switcher
Output Voltage Precision, VFB
0.1
≤I ≤ 5.5A, 7.2 ≤ VBATT ≤ 24V
4.900
5
5.100
V
I
≤ 100mA, 5.6 ≤ VBATT ≤ 24V
4.900
5
5.100
Oscillator Frequency, fOSC
255
300
345
KHz
Gate Drive On-Resistance for
all Sources and HSD Sinks
612
Gate Drive On Resistance for
LSD Sink
1.5
8
HSD On Output, VCPUMP-VGS
I = 10A
100
mV
HSD Off Output, VGS
I = -10A
100
mV
LSD On Output, V5V-Always-VGS I = 10A
100
mV
LSD Off Output, VGS
I = -10A
100
mV
Ramp Amplitude, pk-pk
2
V
Ramp Offset
0.5
V
Ramp Gain from VBATT
125
mV/V
Error Amplifier GBW
3
MHz
Current Limit Threshold
R3 = 1K
135
150
165
mV
Over Voltage Threshold
2s delay
110
115
120
%VO
Under Voltage Threshold
2s delay
70
75
80
%VO
Max Duty Cycle
80
%
Min HSD On-time
200
nsec
VFBSW, ISNS Input Leakage
Current
100
200
nA
SDN/SS Full On Voltage Min.
4.2
V
SDN/SS Full Off Voltage Max.
800
mV
5V and 3.3V Always
Linear Regulator Accuracy
5.6V
≤VBATT≤ 22V,
0
≤ ILOAD ≤ 50mA
-3.3
2
%
Rated Output Current
I3.3 + I5
50
mA
Overcurrent Limit
2s delay
100
180
mA
Undervoltage Threshold
2s delay
70
75
80
%
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