L9473 查看數據表（PDF） - STMicroelectronics
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L9473 Datasheet PDF : 9 Pages
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L9473
Table 5. ELECTRICAL CHARACTERISTCS
(Tcase = -35°C to +150°C continuous unless otherwise specified)
Symbol
Parameter
VOS Operating Supply Voltage
VOS Operating Supply Voltage
ISB Stand-By Current
VSP Regulator Set-Point
VSP Regulator Set-Point
VNB Generator Output, No Battery
TC
VLR
VSR
VF-ON
Thermal Compensation
Load Regulation
Speed Regulation
Output Saturation Voltage
VF-ON Output Saturation Voltage
IF-LIM Field Limit Current1
IF-LIM Field Limit Current1
IG-MIN Min. Generator Current Load
VD-F
ID-R
FOSC
VDF
IDF-LK
FTURBO
Field Discharge Diode
Diode Reverse Current
Oscillation Frequency
DF Saturation Voltage
DF Output Leakage Current
Internal Clock Frequency
Test Condition
Min. Typ. Max. Unit
Tcase = +25°C to =150°C
8
Tcase = -40°C to +25°C
10
VGO = 12.6V; Tcase = 25°C; 10kΩ
VGO to TS; F+, G & Tab (Slug)
Grounded; L, DF, & P
unconnected; Regulator NOT
Activated.
Vov
V
Vov
V
300
µA
10kΩ between VGO and TS
NTC thermistor with R25°C =
10kΩ; Tj = 90°C
Curve shown in Fig. 2
Curves shown in Fig. 3
(with MURATA NTC NTH4G39A1)
No battery, IOUT = 2A to 50%
Max. Load
VSP - 2
VSP +
V
2
Voltage @ VGO
Curves shown in Figs.4, 5
6500 grpm, 10% to 95% load
300 mV
15A load, 2000 to 20,000 grpm
100 mV
IF = 6A, VGO = 14.0V, Tcase =
25°C
750 mV
IF = 5A, VGO = 13.5V, Tcase =
125°C
850 mV
Current F+ Terminal to Gnd.
9.0
A
@ Tcase ≤ 25°C
Current F+ Terminal to Gnd.
6.0
A
@ Tcase = +150°C
Current measured @ generator
0.5
A
output
IF = 6A, Tcase = 25°C
1.85
V
VR = 20V
1
mA
During LRC operation
340 400 460
Hz
IDF ≤ 10mA
VDF < 25V
VDF = 32 - 35V; thru 2.2kΩ
0.8
V
10
µA
4X
Hz
Notes: 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).
3/9
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