FAN5092MTC Datasheet, PDF (4/20 Pages) Fairchild Semiconductor – High Current System Voltage Buck Converter

FAN5092
Recommended Operating Conditions
Parameter
Output Driver Supply, Boot
VCC
Input Logic HIGH
Input Logic LOW
Ambient Operating Temperature
Conditions
PRODUCT SPECIFICATION
Min.
16
10.8
2.0
0
Typ.
12
Max.
17
13.2
0.8
70
Units
V
V
V
V
°C
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
Output Voltage
Output Current
Internal Reference Voltage
Initial Voltage Setpoint
Output Temperature Drift
Line Regulation
Droop
Programmable Droop Range
Total Output Variation, Steady
State¹
Total Output Variation,
Transient²
Response Time
Gate Drive On-Resistance
Upper Drive Low Voltage
Upper Drive High Voltage
Lower Drive Low Voltage
Lower Drive High Voltage
Output Driver Rise & Fall Time
Current Mismatch
Output Overvoltage Detect
Efficiency
Oscillator Frequency
Oscillator Range
Maximum Duty Cycle
Minimum LDRV on-time
Input Low Current, VID pins
Soft Start Current
Enable Threshold
BYPASS Voltage
Conditions
See Table I
ILOAD = 5A
TA = 0 to 70°C
VIN = 11.4V to 12.6V
ILOAD = 0.8A to Imax
RDROOP = TBD to TBD
ILOAD = 0.8A to Imax
ILOAD = 0.8A to Imax
∆VOUT = 10mV
VHDRV – VSW at Isink = 10µA
VBOOT – VHDRV at Isource = 10µA
Isink = 10µA
VCC – VLDRV at Isource = 10µA
See Figure 2
RDS,on(A) = RDS,on(B)
ILOAD = Imax,
ILOAD = 2A, E*-mode enabled
RT = 41.2KΩ
RT = 125KΩ to 12.5KΩ
RT = 125KΩ
RT=12.5KΩ
VVID = 0.4V
ON
OFF
Min. Typ. Max. Units
• 1.100
1.850
V
60
A
1.4675 1.4750 1.4825 V
1.460 1.475 1.490
V
-5
mV
•
+130
µV
-90 -100 -110 mV
-10
0
%VOUT
• 1.430
1.570
V
• 1.430
1.570
V
100
nsec
1.0
Ω
0.2
V
0.5
V
0.2
V
0.5
V
20
nsec
5
%
• 2.1
2.3
V
85
%
70
• 450
600
750
KHz
200
2000 KHz
90
%
330
nsec
50
µA
10
µA
1.0
V
0.4
4.75
5
5.25
V
4
REV. 1.0.7 6/20/02