FAN5091MTC View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
FAN5091MTC Datasheet PDF : 21 Pages
| |||
FAN5091
PRODUCT SPECIFICATION
Electrical Specifications
(VCC = 12V,VOUT = 1.500V, and TA = +25°C using circuit in Figure 1, unless otherwise noted.)
The • denotes specifications which apply over the full operating temperature range.
Parameter
Conditions
Output Voltage
See Table 1
•
Output Current
Initial Voltage Setpoint
ILOAD = 5A
Output Temperature Drift
TA = 0 to 70°C
Line Regulation
Droop3
VCC = 11.4V to 12.6V
•
ILOAD = 0.8A to Imax
Programmable Droop Range
Total Output Variation,
ILOAD = 0.8A to Imax
•
Steady State1
Total Output Variation, Transient2 ILOAD = 0.8A to Imax
•
Response Time
∆Vout = 10mV
Gate Drive On-Resistance
Upper Drive Low Voltage
VHDRV–VSW at Isink = 10µA
Upper Drive High Voltage
VBOOT–VHDRV at Isource = 10µA
Lower Drive Low Voltage
Isink = 10µA
Lower Drive High Voltage
VCC–VLDRV at Isource = 10µA
Output Driver Rise & Fall Time See Figure 3
Current Mismatch
RDS,on (A) = RDS,on (B), ILOAD = Imax
Output Overvoltage Detect
•
Efficiency
ILOAD = Imax
ILOAD = 2A (E*-mode)
Oscillator Frequency
RT = 41.2KΩ
•
Oscillator Range
RT = 125KΩ to 12.5 KΩ
Maximum Duty Cycle
RT = 125KΩ
Minimum LDRV on-time
RT = 12.5KΩ
Input LOW current, VID pins
VVID = 0.4V
Soft Start Current
Enable Threshold
ON
OFF
BYPASS Voltage
BYPASS Capacitor
PWRGD Threshold
Logic LOW, minimum
•
Logic LOW, maximum
•
PWRGD Hysteresis
PWRGD Output Voltage
Isink = 4mA
PWRGD Delay
High → Low
12V UVLO
•
UVLO Hysteresis
12V Supply Current
HDRV and LDRV Open
Over Temperature Shutdown
Over Temperature Hysteresis
Min.
1.100
1.485
-90
-10
1.430
1.430
2.1
450
200
0.4
4.75
100
81
106
8.5
Typ.
50
1.500
+5
+130
-100
100
1.0
0.2
0.5
0.2
0.5
20
5
85
70
600
90
330
10
5
85
110
20
500
9.5
0.5
20
150
40
Max.
1.850
1.515
-110
0
1.570
Units
V
A
V
mV
µV
mV
%Vout
V
1.570
2.3
V
nsec
Ω
V
V
V
V
nsec
%
V
%
750
2000
50
1.0
KHz
KHz
%
nsec
µA
µA
V
5.25
89
114
0.4
10.5
V
nF
%Vout
mV
V
µsec
V
V
mA
°C
°C
4
REV. 1.0.0 5/10/01
Share Link: 