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PDF ILD1150 Data sheet ( Hoja de datos )
| Número de pieza | ILD1150 | |
| Descripción | Multitopology High Power LED DC/DC Controller IC | |
| Fabricantes | Infineon | |
| Logotipo |  |
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ILD1150
Multitopology High Power LED DC/DC
Controller IC for Industrial Applications
Datasheet
Rev. 1.1, 2012-04-11
1 page  
2 Block Diagram
ILD1150
Block Diagram
IN
14
EN / PWMI
13
F R E Q/
SYNC 11
On/Off
Logic
Oscillator
Internal
Supply
Soft
Start
Slope
Comp.
LDO
EN_INT/
PWM_INT
1 IVCC
Power On
Reset
PWM
Generator
Power Switch
Gate Driver
Switch Current
Error Amplifier
2 SWO
SWCS
4
SGND
3
ST
10
Diagnostics
Logic
COMP
8
Thermal
Protection
Open Load
Detection
EN_INT/
PWM_INT
12
GND
Leading Edge
Blanking
Over Volage
Protection
Feedback Voltage
Error Amplifier
Dimming Switch
Gate Driver
OVFB
9
FBH
6
FBL
7
PWMO
5
BlockDiagram .vsd
Figure 1 Block Diagram
Datasheet
5 Rev. 1.1, 2012-04-11
5 Page 
ILD1150
Regulator
5.2 Electrical Characteristics
All parameters have been tested at 25°C, unless otherwise specified.
1)
VIN = 24V, Tj = -40 ⋅C to +125 ⋅C, all voltages with respect to ground, positive current flowing into pin; (unless
otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
Regulator:
5.2.1 Feedback Reference Voltage
5.2.2 Voltage Line Regulation
VREF
ΔVREF
/ΔVIN
0.28
–
5.2.3 Voltage Load Regulation
5.2.4
5.2.5
5.2.6
5.2.7
Switch Peak Over Current
Threshold
Maximum Duty Cycle
Maximum Duty Cycle
Soft Start Ramp
(ΔVREF
/ VREF)
/ΔIBO
VSWCS
–
130
DMAX,fixed
DMAX,sync
tSS
90
88
350
5.2.8
5.2.9
5.2.10
5.2.11
Feedback Input Current
Switch Current Sense Input
Current
Input Undervoltage Shutdown
Input Voltage Startup
IFBx
ISWCS
VIN,off
VIN,on
-10
10
3.75
–
Gate Driver for external Switch
5.2.12 Gate Driver Peak Sourcing
Current1)
5.2.13 Gate Driver Peak Sinking
Current1)
5.2.14 Gate Driver Output Rise Time
ISWO,SRC –
ISWO,SNK –
tR,SWO
–
5.2.15 Gate Driver Output Fall Time tF,SWO
–
5.2.16 Gate Driver Output Voltage1) VSWO
4.5
0.30
–
–
150
93
–
1000
-50
50
–
–
0.32
0.15
5
170
95
–
1500
-100
100
–
4.75
V
%/V
VREF= VFBH -VFBL
VBO= 30 V;
IBO = 500 mA
Figure 25
%/A VBO = 30V;
IBO = 100 to 500 mA
Figure 25
mV VFBH = VFBL = 5 V
VCOMP = 3.5V
% Fixed frequency mode
% Synchronization mode
µs VFB rising from 5% to
95% of VFB, typ.
µA VFBH - VFBL = 0.3 V
µA VSWCS = 150 mV
V VIN decreasing
V VIN increasing
380 –
550 –
30 60
20 40
– 5.5
mA VSWO = 3.5V
mA VSWO = 1.5V
ns CL,SWO = 3.3nF;
VSWO = 1V to 4V
ns CL,SWO = 3.3nF;
VSWO = 1V to 4V
V CL,SWO = 3.3nF;
1) Not subject to production test, specified by design
Datasheet
11
Rev. 1.1, 2012-04-11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ILD1150.PDF ] | |
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