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參數(shù)資料
| 型號： | FAN5193MTCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁數(shù)： | 16/21頁 |
| 文件大?。?/td> | 524K |
| 代理商： | FAN5193MTCX |
FAN5193
PRODUCT SPECIFICATION
4
REV. 1.0.1 2/4/02
Electrical Specications
(VCC = 12V,VOUT = 1.500V, and TA = +25°C using circuit in Figure 1, unless otherwise noted.)
The
denotes specications which apply over the full operating temperature range.
Parameter
Conditions
Min.
Typ.
Max.
Units
Output Voltage
See Table 1
1.100
1.850
V
Output Current
40
A
Internal Reference Voltage
1.4925
1.5000
1.5075
V
Initial Voltage Setpoint
ILOAD = 5A
1.485
1.500
1.515
V
Output Temperature Drift
TA = 0 to 70°C
+5
mV
Line Regulation
VCC = 11.4V to 12.6V
+130
V
Droop3
ILOAD = 0.8A to Imax
-90
-100
-110
mV
Programmable Droop Range
-10
0
%Vout
Total Output Variation,
Steady State1
ILOAD = 0.8A to Imax
1.430
1.570
V
Total Output Variation, Transient2 ILOAD = 0.8A to Imax
1.430
1.570
V
Response Time
Vout = 10mV
100
nsec
Gate Drive On-Resistance
2.0
Upper Drive Low Voltage
VHDRV–VSW at Isink = 10A
0.2
V
Upper Drive High Voltage
VBOOT–VHDRV at Isource = 10A
0.5
V
Lower Drive Low Voltage
Isink = 10A
0.2
V
Lower Drive High Voltage
VCC–VLDRV at Isource = 10A
0.5
V
Output Driver Rise & Fall Time
See Figure 3
20
nsec
Current Mismatch
RDS,on (A) = RDS,on (B), ILOAD = Imax
5%
Output Overvoltage Detect
2.1
2.3
V
Efficiency
ILOAD = Imax
ILOAD = 2A (E*-mode)
85
70
%
Oscillator Frequency
RT = 41.2K
450
600
750
KHz
Oscillator Range
RT = 125K
to 12.5 K
200
2000
KHz
Maximum Duty Cycle
RT = 125K
90
%
Minimum LDRV on-time
RT = 12.5K
330
nsec
Input LOW current, VID pins
VVID = 0.4V
50
A
Soft Start Current
10
A
Enable Threshold
ON
OFF
0A
1.0
V
BYPASS Voltage
4.75
5
5.25
V
BYPASS Capacitor
100
nF
PWRGD Threshold
Logic LOW, minimum
Logic LOW, maximum
85
108
88
111
92
115
%Vout
PWRGD Hysteresis
20
mV
PWRGD Output Voltage
Isink = 4mA
0.4
V
PWRGD Delay
High
→ Low
500
sec
12V UVLO
8.5
9.5
10.5
V
UVLO Hysteresis
0.5
V
12V Supply Current
HDRV and LDRV Open
5
mA
Over Temperature Shutdown
150
°C
Over Temperature Hysteresis
25
°C
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