ICE1QS01G Infineon Technologies, ICE1QS01G Datasheet - Page 10

• Manufacturer Part Number: ICE1QS01G
• Description: IC PFC CONTROLLER DSO8
• Manufacturer: Infineon Technologies

Specifications of ICE1QS01G

• Current - Startup: 60µA
• Voltage - Supply: 9 V ~ 20 V
• Operating Temperature: -25°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: DSO-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Mode: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: SP000081002

Primary regulation
Primary regulation is achieved by activating the internal current sink. The current sink is connected
between pin SRC and ground. If V
switched off when V
charged via the internal 20k resistor. If V
resistor is switched off when V
ing slope of gate drive OUT.
Diagram Primary Regulation
Version 1.4
resistor
current
20K
sink
VSRC
VRZI
4.5V
OUT
5V
on
off
on
off
zero current counter = 0010
RZI
falls below 5V. The current sink discharges the C
RZI
falls below 50 mV. The resistor is switched on again with the fall-
RZI
exceeds the 5V threshold the current sink is switched on. It is
RZI
10
t
RZI
exceeds the 4.4V threshold a flip-flop is set and the
0.05 V
start
stop
4.5 V
5 V
R
S
+
-
+
-
+
-
Q
Q
ICE1QS01
R
S
Q
Q
OUT
SRC
R
S
Q
Q
capacitor. C
current
sink
ICE1QS01
5V
27 Apr 2004
20k
SRC
SRC
is