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PDF ICL8001G Data sheet ( Hoja de datos )
| Número de pieza | ICL8001G | |
| Descripción | Single-Stage Flyback And PFC Controller | |
| Fabricantes | Infineon Technologies | |
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Datasheet,Version 1.0, May 6, 2010
ICL8001G
S i n g l e - S t a g e F l y b a c k A n dwww.DataSheet4U.net
PFC Controller For LED
Lighting Applications
Industrial & Multimarket
1 page  
Single-Stage Flyback and PFC Controller
ICL8001G
Pin Configuration and Functionality
1 Pin Configuration and 1.3 Pin Functionality
Functionality
ZCV (Zero Crossing)
At this pin, the voltage from the auxiliary winding after
a time delay circuit is applied. Internally, this pin is
1.1 Pin Configuration with PG- connected to the zero-crossing detector for switch-on
DSO-8
determination. Additionally, the output overvoltage
detection is realized by comparing the voltage Vzc with
an internal preset threshold.
Pin Symbol Function
1 ZCV Zero Crossing
2 VR Voltage Sense
3 CS Current Sense
4 GD Gate Drive Output
5 HV High Voltage Input
6 n.c. Not connected
7 VCC Controller Supply Voltage
8 GND Controller Ground
VR (Voltage Sense)
The rectified input mains voltage is sensed at this pin.
The signal is used to set the peak current of the peak-
current control and therefore allow for the PFC and
phase-cut dimming functionality.
CS (Current Sense)
This pin is connected to the shunt resistor for the
primary current sensing, externally, and the PWM
signal generator for switch-off determination (together
with the feedback voltage), internally. Moreover, short-
winding protection is realised by monitoring the voltage
Vcs during on-time of the main power switch.
1.2 Package PG-DSO-8
ZCV 1
8
VR 2
7
GND
VCC
GD (Gate Drive Output)
This output signal drives the external main power
switch, which is a power MOSFET in most case.
HV (High Voltage)
The pin HV is connected to the bus voltage, externally,
and to the power cell, internally. The current through
this pin pre-charges the VCC capacitor with constant
current once the supply bus voltage is applied.
CS 3
GD 4
VCC (Power supply)
6 NC VCC pin is the positive supply of the IC. The operating
range is between VVCCoff and VVCCOVP.
GND (Ground)
5 HV This is the common ground of the controller.
Figure 1 Pin Configuration PG-DSO-8(top view)
Version 1.0
5 May 6, 2010
5 Page 
Single-Stage Flyback and PFC Controller
ICL8001G
Electrical Characteristics
4.3 Characteristics
4.3.1
Note:
Supply Section
The electrical characteristics involve the spread of values within the specified supply voltage and junction
temperature range TJ from – 25 °C to 125 °C. Typical values represent the median values, which are
related to 25°C. If not otherwise stated, a supply voltage of VCC = 18 V is assumed.
Parameter
Start Up Current
Symbol
IVCCstart
min.
-
Limit Values
typ. max.
300 550
Unit Test Condition
µA VVCC =VVCCon -0.2V
VCC Charge Current
Maximum Input Current of
Startup Cell and CoolMOS®
IVCCcharge1
IVCCcharge2
IVCCcharge3
IDrainIn
Leakage Current of
Startup Cell
IStartLeak
Supply Current in normal
operation
IVCCNM
Supply Current in
Auto Restart Mode with Inactive
Gate
IVCCAR
Supply Current in Latch-off Mode
Supply Current in Burst Mode with
inactive Gate
IVCClatch
IVCCburst
-
0.8
-
-
-
-
-
-
-
VCC Turn-On Threshold
VCC Turn-Off Threshold
VCC Turn-On/Off Hysteresis
VVCCon
VVCCoff
VVCChys
17.0
9.8
-
5.0
-
1.0
-
0.2
1.5
300
300
500
18.0
10.5
7.5
-
-
-
2
50
2.3
-
-
950
19.0
11.2
-
mA VVCC = 0V
mA VVCC = 1V
mA VVCC =VVCCon -0.2V
mA VVCC =VVCCon -0.2V
µA VHV= 610V
at Tj=100°C
mA output low
µA IFB = 0A
µA
µA VFB = 2.5V, exclude the
current flowing out from
FB pin
V
V
V
4.3.2
Internal Voltage Reference
Parameter
Symbol
Internal Reference Voltage
VREF
min.
4.80
Limit Values
typ. max.
5.00
5.20
Unit Test Condition
V Measured at pin FB
IFB=0
Version 1.0
11 May 6, 2010
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ICL8001G.PDF ] | |
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