ICE1CS02G

Manufacturer Part NumberICE1CS02G
DescriptionIC PFC CTRLR AVERAGE CURR DSO16
ManufacturerInfineon Technologies
ICE1CS02G datasheet
 


Specifications of ICE1CS02G

ModeAverage CurrentFrequency - Switching65kHz
Current - Startup1.3mAVoltage - Supply11 V ~ 25 V
Operating Temperature-40°C ~ 150°CMounting TypeSurface Mount
Package / CaseDSO-16Lead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesSP000444092
SP000783614
  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Page 8/27

Download datasheet (439Kb)Embed
PrevNext
2
Representative Blockdiagram
&
G10
VREF
15.4k
25kΩ
PWM
FB
Internal preshort
2pF
UVLO
PWM
brownout
0.4V
C13
3.80V
30us
C9
PWM
Pre-
short
ICE1CS02 - PWM Portion
ICE1CS02 - PFC Portion
Brown-Out
Detection
±
100uA
C5
30us
VINS
1.25V
PFC
brownout
with
softstart
VINS
HYS
Current Sense
Opamp
PFC
1.43x
ISENSE
OP1
Current Loop
Current Loop
7k
PFC
Compensation
ICOMP
OTA2
+/-
50uA
1.0mS
400
4V
Figure 2
Representative Blockdiagram
Version 1.0
Vref
5V
Power Management
Internal Bias
Voltage
Reference
Undervoltage Lockout
12V
11V
Soft-Start
reset
Comparator
Soft-start 12ms
C7
&
G7
C8
PWM
Comparator
function
&
G5
0.6V
0.4V
30uA
x3.2
PWM OP
S
Q
&
30kΩ
R
G6
leb
S
Q
C6
R
0.9V
Peak Current Limit
C2
1.0V
Over-current
Comparator
Sychronized Oscillator
f
:f
=1:2
pfc
pwm
Toff min
OSC CLK
400ns
7.5% D
1
G2
Ramp
Generator
BUF1
C1
PWM
Comparator
36k
disch_ramp
Nonlinear
Gain
Nonlinear
TF
M2
M
M1
Vin
8
Combi PFC/ PWM Controller
Representative Blockdiagram
VCC
VREF
10k
47% or 60%
PWM
Oscillator
Section
Duty Cycle
max
Clock
Gate Driver
FF1
S
1
&
R
Q
G8
G9
Iramp_max = 150µA
Iramp
47% = OFF
60% = ON
Current Limiting
Vsync
1V
10kΩ
Leading
C10
Edge
1pF
D1
Blanking
220ns
PWM
brownout
1.0V
with
softstart
1.95V
C11
50us
R
Q
S
C12
Blanking time
2.85V
PWM
Logic
1
S
G4
R
Gate Driver
S
1
disch_ramp
R
G3
Protection Block
UVLO
1
G1
C3
protect
0.6V
open-loop detect
2.6V
C4
PFC
brownout
3.15V
30us
C14
S
R
C15
3.0V
+/-30uA, 42uS
OTA1
3V
Voltage Loop
BUF
2.85V
3.15V
+ve
0
Fault
-ve
Window Detect
ICE1CS02
GND
PWM
SYNC
/ Duty
Cycle
PWM_OUT
PWM
CS
PFC_OUT
PFC
VSENSE
PFC
OVP
PFC
VCOMP
25 July 2008