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L9915 Datasheet(PDF) 16 Page - STMicroelectronics

Part # L9915
Description  C-terminal alternator voltage regulator (CTAVR)
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9915 Datasheet(HTML) 16 Page - STMicroelectronics

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Electrical specification
L9915
16/21
DocID026400 Rev 1
3.3.6
Pin “F”
Table 11. Electrical characteristics - Pin "F"
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
VFsat
Field driver saturation voltage
Tj = 130 °C; Isunk = 4.5 A
-
-
0.6
V
Tj = 25 °C; Isunk = 7 A
-
-
0.55
V
VFdiode Freewheeling diode
Isourced = 5 A
-2
-
-
V
IFleak
Field leakage current
VB = 24 V; VF = 0
-
-
5
μA
IFOVP
Field driver over-current
protection
Tj = -40 °C
9
-
15
A
Tj = 25 °C
8.5
-
15
A
Tj = 130 °C
8.5
-
15
A
TFretry
Retry time in case of over-
current
30
40
50
ms
VFONdet
Voltage threshold
on-state detection
-
0.9
1.1
1.3
V
fFSW
Field switching frequency
-
212.5
250
287.5
Hz
TFrise
Field voltage rise time
-
5
-
25
μs
TFfall
Field voltage fall time
-
5
-
25
μs
DFPreex Field duty cycle in pre-excitation -
11
12.5
14
%
DFSS
Field duty cycle in self start
-
4
6
8
%
DFef
Field duty cycle during
excitation FIXED
-
345
%
TFLRCUP
Load response control time
(0 % to 100 % DC)
--
5
-
s
TFSDT
Start delay time in internal mode
only
-
4.25
5
5.75
s



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