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参数资料
| 型号： | FAN5093MTCX_NL |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | LEAD FREE, TSSOP-24 |
| 文件页数： | 12/17页 |
| 文件大小： | 578K |
| 代理商： | FAN5093MTCX_NL |
FAN5093
PRODUCT SPECIFICATION
4
REV. 1.1.0 3/27/03
Electrical Specications
(VCC = 12V, VID = [01111] = 1.475V, and TA = +25°C using circuit in Figure 2, unless otherwise noted.)
The
denotes specications which apply over the full operating temperature range.
Notes:
1. As measured at the converter’s VFB sense point. For motherboard applications, the PCB layout should exhibit no more than
0.5m
trace resistance between the converter’s output capacitors and the CPU. Remote sensing should be used for optimal
performance.
2. Using the VFB pin for remote sensing of the converter’s output at the load, the converter will be in compliance with VRM 9.x
specification.
Parameter
Conditions
Min.
Typ.
Max.
Units
Input Supply
UVLO Hysteresis
0.5
V
12V UVLO
Rising Edge
8.5
9.5
10.3
V
12V Supply Current
PWM Output Open
20
mA
Internal Voltage Regulator
BYPASS Voltage
4.75
5
5.25
V
BYPASS Capacitor
100
nF
VREF and DAC
Output Voltage
See Table 1
1.100
1.850
V
Initial Voltage Setpoint1
ILOAD = 0A, VID = [01111]
1.460
1.475
1.490
V
Output Temperature Drift
TA = 0 to 70°C
5
mV
Line Regulation
VCC = 11.4V to 12.6V
130
V
Droop2
ILOAD = 69A, RDROOP = 13.3k
56
mV
Programmable Droop Range
0
1.25
m
Response Time
Vout = 10mV
100
nsec
Current Mismatch
RDS,on (A) = RDS,on (B),
ILOAD = 69A, Droop = 1m
5%
VID Inputs
Input LOW current, VID pins
VVID = 0.4V
-60
A
VID VIH
2.0
V
VID VIL
0.8
V
Oscillator
Oscillator Frequency
RT = 54.9k
440
500
560
kHz
Oscillator Range
RT = 137.5k
to 13.75 k
200
2000
kHz
Maximum Duty Cycle
RT = 137.5k
90
%
Minimum LDRV on-time
RT = 13.75k
330
nsec
Gate Drive
Gate Drive On-Resistance
Sink & Source
1.0
Output Driver Rise & Fall Time
See Figure 1, CL = 3000pF
20
nsec
Enable/Soft Start
Soft Start Current
10
A
Enable Threshold
ON
OFF
1.0
0.4
V
Power Good
PWRGD Threshold
Logic LOW, VVID – VPWRGD
85
88
92
%VOUT
PWRGD Output Voltage
Isink = 4mA
0.4
V
PWRGD Delay
High
→ Low
500
sec
OVP and OTP
Output Overvoltage Detect
2.1
2.2
2.3
V
Over Temperature Shutdown
130
140
150
°C
Over Temperature Hysteresis
40
°C
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