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参数资料
| 型号： | L9484 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 460 kHz SWITCHING FREQ-MAX, PSFM8 |
| 文件页数： | 7/11页 |
| 文件大小： | 162K |
| 代理商： | L9484 |
L9484
5/11
Figure 2.
Typical application schematic
VLR
Load regulation
6500 grpm, 10% to 95% load
300
mV
VSR
Speed regulation
15A load, 2000 to 20,000
grpm
100
mV
VF-ON
Output saturation voltage
IF = 6A, VGO = 14.0V, Tcase =
25
°C
750
mV
VF-ON
Output saturation voltage
IF = 5A, VGO = 13.5V, Tcase =
125
°C
850
mV
IF-LIM
Field limit current(1)
Current F+ Terminal to Gnd.
@ Tcase ≤ 25°C
9.0
A
IF-LIM
Field limit current(1)
Current F+ Terminal to Gnd.
@ Tcase = +150°C
6.0
A
IG-MIN
Min. generator current load
Current measured @
generator output
0.5
A
VD-F
Field discharge diode
IF = 6A, Tcase = 25°C1.85
V
ID-R
Diode reverse current
VR = 20V
1
mA
FOSC
oscillation frequency
During LRC operation
340
400
460
Hz
VDF
DF saturation voltage
IDF ≤ 10mA
0.8
V
IDF-LK
DF output leakage current
VDF < 25V
10
μA
FTURBO Internal clock frequency
VDF = 32 - 35V; thru 2.2kΩ
4X
Hz
FTURBO IRD, SS, LRC rate
VDF = 32 - 35V; thru 2.2kΩ÷ 16
1.
The Field Drive capability shall not decrease as a function of temperature between 25°C and 150°C, at a
rate faster than -0.024A/°C (for example, Field Drive shall be capable of
≥7.2A at 100°C).
Table 5.
Electrical characteristcs (continued)
(Tcase = -35°C to +150°C continuous unless otherwise specified)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
7
6
3
2
8
1
4
NTC
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