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L99LD01 데이터시트(PDF) 47 Page - STMicroelectronics

부품명 L99LD01
상세설명  High efficiency constant current LED driver for automotive applications
PDF  69 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L99LD01 데이터시트(HTML) 47 Page - STMicroelectronics

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L99LD01
Electrical characteristics
68
CVCC1
Load capacitance
A good quality (Low ESR)
capacitor is recommended
110
µF
VCC1_OT
Regulator 1 over temperature
detection level
150
175
190
°C
VCC1_OT_HYS Hysteresis
20
25
30
°C
tV1OT
Filtering time for regulator 1
over temperature detection
0.75
1
1.55
ms
1.
VCC1_1mA is VCC1 at ILOAD =1 mA; VS = 13.5 V.
2.
Minimum VCC1 voltage for keep RAM data.
Table 17. VS and VCC1 pin characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Table 18. VCC2 and C5V pin characteristics
Symbol
Parameter
Test condition
Min
Typ
Max
Units
VCC2
D.C. logic supply output voltage
1
≤ -I
CC2 ≤ 10 mA;
VS =13.5V; VPWM_L =0
9.5
10
10.5
V
-ICC2
Output current capability
VS =13.5V;
VCC2 =VCC2_1mA - 0.1 V
(1);
VPWM_L =0
20
mA
VCC2_DROP
Drop voltage to VS:
VCC2_DROP =(VS - VCC2)
-ICC2 =1 mA; VCC2 =9.5 V;
VPWM_L =0
100
mV
-ICC2_SHT
Short output current limitation
0
≤ V
CC2 ≤ VCC2_1mA;
VS =13.5V; VPWM_L =0
100
mA
CVCC2
Load capacitance
A good quality (Low ESR)
capacitor is recommended for
correct managing gate peaks
current during switching On
and OFF of G1
10
µF
VCC2_OT
Regulator 2 over temperature
detection level
150
175
190
°C
VCC2_OT_HYS
Over temperature detection level
hysteresis
20
25
30
°C
VC5V
Internal 5 V output voltage
0
≤ -I
C5V ≤ 2.5 mA
4.75
5
5.25
V
-IC5V
5 V output current
VC5V =VC5V_1mA
(2) -0.1
2.5
mA
-IC5V_SHT
Short output current limitation
0
≤ V
C5V ≤ VC5V_1mA
(3)
(pulsed s.c. no continuous short)
50
mA
C5V
Load capacitance See Figure 34
1µF
1.
VCC2_1mA is the value of VCC2 at I load = 1 mA, VS = 13.5 V; Tj =25 °C.
2.
VC5V_1mA is the value of VC5V at external IC5V load = 1 mA, VS =13.5 V; Tj =25 °C.
3.
VC5V_1mA is the value of VC5V at external IC5V load = 1 mA, VS =13.5 V; Tj =25 °C.



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