ICE1CS02G Infineon Technologies, ICE1CS02G Datasheet - Page 8

• Manufacturer Part Number: ICE1CS02G
• Description: IC PFC CTRLR AVERAGE CURR DSO16
• Manufacturer: Infineon Technologies

Specifications of ICE1CS02G

• Mode: Average Current
• Frequency - Switching: 65kHz
• Current - Startup: 1.3mA
• Voltage - Supply: 11 V ~ 25 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: DSO-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SP000444092; SP000783614

2
Figure 2
Version 1.0
ISENSE
ICOMP
PWM
short
PWM
VINS
VINS
PFC
HYS
Pre-
PFC
FB
Representative Blockdiagram
1.25V
ICE1CS02 - PWM Portion
VREF
ICE1CS02 - PFC Portion
Representative Blockdiagram
Compensation
Current Loop
+/-
50uA
1.0mS
15.4k
3.80V
25kΩ
0.4V
2pF
OTA2
C5
Brown-Out
Detection
±
Current Sense
100uA
Current Loop
C13
C9
4V
Opamp
brownout
400
softstart
7k
30us
PFC
with
OP1
brownout
1.43x
UVLO
PWM
G10
&
30us
Internal preshort
function
BUF1
G6
G5
36k
&
&
Sychronized Oscillator
reset
S
R
Soft-start 12ms
Power Management
Internal Bias
Q
M2
M1
f
pfc
OSC CLK
Over-current
Comparator
:f
7.5% D
1.0V
pwm
M
Nonlinear
Nonlinear
=1:2
Peak Current Limit
0.9V
G7
&
Generator
Gain
TF
30uA
30kΩ
C2
Ramp
disch_ramp
Comparator
Vin
PWM
Undervoltage Lockout
Q
C1
Reference
Vref
5V
0.6V
0.4V
Voltage
11V
S
R
Toff min
C7
400ns
8
PWM OP
Comparator
C8
Soft-Start
12V
leb
Comparator
G2
x3.2
PWM
1
C6
protect
2.85V
VCC
1.0V
R
R
S
S
+ve
Oscillator
Window Detect
Duty Cycle
brownout
Combi PFC/ PWM Controller
Voltage Loop
Clock
max
PFC
1
G1
Logic
PWM
Representative Blockdiagram
0
47% or 60%
-ve
3.15V
G4
C10
G3
UVLO
Q
G8
1
1
1
Blanking time
S
R
Protection Block
R
S
BUF
1V
disch_ramp
S
R
FF1
30us
open-loop detect
50us
PWM
Section
Q
C3
Iramp_max = 150µA
C4
Blanking
Leading
220ns
Edge
C14
C15
C12
C11
G9
brownout
softstart
&
Gate Driver
0.6V
PWM
with
Current Limiting
2.6V
Gate Driver
+/-30uA, 42uS
OTA1
Fault
1pF
1.95V
2.85V
3.15V
3.0V
47% = OFF
60% = ON
Vsync
10kΩ
Iramp
3V
D1
VREF
10k
ICE1CS02
25 July 2008
PWM_OUT
PFC_OUT
PWM
CS
PFC
OVP
PWM
SYNC
/ Duty
Cycle
PFC
VSENSE
PFC
VCOMP
GND