L9911K STMicroelectronics, L9911K Datasheet - Page 9

• Manufacturer Part Number: L9911K
• Description: IC VREG MULTIFUN AUTO MULTIWATT8
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L9911K

• Applications: Power Supply, Automotive Applications
• Voltage - Input: 7 V ~ 18 V
• Number Of Outputs: 1
• Voltage - Output: -
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11624-5

L9911
Table 5.
DUTY-PR
V
I
V
Symbol
t
-SC_DFM
V
V
If_leak
V
can-DFM
V
I
I
can-DFM
V
V
I
PHH2_1
t
lk-DFM
V
I
L_sink
I
Pd-P1
f
H_SAT
I
V
t
L-DFM
L_SAT
PHL1
HSC
pd_L
PHH1
LSC
PHL1
PHL2
PHd
-dfm
t
LSB
-D
thL
Output field driver leakage current B+ = 24 V; V
Phase regulation max field ON
duty
High side driver saturation
Voltage (see
Low side driver saturation voltage
(see
Self bias without supply lamp
driver voltage
High side driver short circuit
current protection
Low side driver short circuit
current (see
Enable regulator supply voltage
threshold
L terminal pull-down current when
the generator is not rotating
L sink current when the generator
is rotating
Diagnostic alarm delay time
Test mode to cancel soft start/
attack (voltage)
Test mode delay time
Enable control voltage input high
threshold
Enable control voltage input low
threshold
Enable Control Voltage Phase
Filtering Time
Diagnosis phase loss input high
threshold
Diagnosis phase loss input low
threshold
Diagnostic phase filtering time
Phase pull-down current
DFM output open drain switching
freq.
Output low voltage saturation
Short circuit current protection
Output leakage current
Electrical characteristics (continued)
Figure
Parameter
9)
Figure
Figure
15)
9)
Doc ID 10990 Rev 9
-
I-sink = 14 mA
VB+ = VDFM = 12.5 V
see
With driver I
With driver I
B+ open; L connected to 12 V
through a 50 Ohm resistor
B+ = 12.5 V; L = GND
B+ = L = 12.5 V
-
V
P frequency 500 Hz; V
-
(see
-
-
-
-
-
VP = 0.8 V
I
1400 rpm < rpm < RPMMAX;
I
V
alt
sink
L
DFM
= 0.6 V
=1 A~0.9 · I
Figure 7
= 4 mA
Figure
=16 V at DFM driver OFF
Test condition
source
sink
10)
F+
nom
= 0
= 500 mA
= 500 mA
;
B+
= 12 V
26.56
Min.
125
1.2
0.8
0.4
0.2
6.4
30
50
50
25
50
1
8
1
-
-
-
-
-
-
-
-
-
Electrical specification
31.25
Typ.
7.4
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.25
35.94
Max.
1.15
0.40
100
100
115
200
400
1.5
1.5
3.5
0.5
8.4
1.5
10
50
10
4
3
2
8
5
-
(1)
Unit
mA
mA
mA
ms
μA
µA
Hz
µA
μs
µs
%
V
V
V
V
A
A
V
V
V
V
V
V
s
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