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R2A20112ASP Datasheet(PDF) 5 Page - Renesas Technology Corp

Part No. R2A20112ASP
Description  Critical Conduction Mode Interleaved PFC Control IC
Download  9 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R2A20112ASP Datasheet(HTML) 5 Page - Renesas Technology Corp

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R2A20112ASP
Preliminary
R03DS0047EJ0100 Rev.1.00
Page 5 of 8
Jul 21, 2011
Electrical Characteristics
(Ta = 25°C, VCC = 12 V, RT = 33 k
, RAMP = 820 pF, TM = 2.2 F, SS = 1.0 F, OCP = GND)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
UVLO turn-on threshold
Vuvlh
9.8
10.5
11.2
V
UVLO turn-off threshold
Vuvll
8.8
9.3
9.8
V
UVLO hysteresis
Hysuvl
0.7
1.2
1.7
V
Standby current
Istby
85
170
A
VCC = 8.9 V
Supply
Operating current
Icc
4.2
6.3
mA
Output voltage
Vref
4.925
5.00
5.075
V
Isource = –1 mA
Line regulation
Vref-line
5
20
mV
Isource = –1 mA
Vcc = 10 V to 24 V
Load regulation
Vref-load
5
20
mV
Isource = –1 mA to –5 mA
VREF
Temperature stability
dVref
80
ppm/°C
Ta = –40 to +125°C *
1
Feedback voltage
Vfb
2.452
2.490
2.528
V
FB-COMP short
Input bias current
Ifb
–0.5
–0.3
–0.1
A
Measured pin: FB
FB = 3 V *
1
Open loop gain
Av
60
dB
*
1
Upper clamp voltage
Vclamp-comp
4.2
4.3
4.4
V
FB = 2.0 V
Low voltage
Vl-comp
0.1
0.3
V
FB = 3.0 V
Source current
Isrc-comp
–120
A
FB = 1.5 V
COMP = 2.5 V *
1
Sink current
Isnk-comp
330
A
FB = 3.5 V
COMP = 2.5 V
Error
amplifier
Transconductance
gm
120
200
290
s
FB = 2.45V
 2.55 V
COMP = 2.5 V
RAMP charge current
at DUVP disable condition
Ic-ramp1
–60
–50
–40
A
FB = 2.4 V
RAMP charge current
at DUVP enable condition
Ic-ramp2
–32
–25
–18
A
FB = 2 V
RAMP discharge current
Id-ramp
7
15
29
mA
RAMP = 1 V
Ramp
Low voltage
Vl-ramp
17
200
mV
Isink = 100
A
Phase delay
Phase
160
180
200
deg
Slave
control
On time ratio
Ton-ratio
0
5
%
FB = 2.5 V, COMP = 2 V
*
1, 2
Notes: *1 Design spec
*2
Ton-ratio =
Ton-s
Ton-m
× 100 [%]
1 –
Phase =
Tdelay
Tperiod
× 360 [deg]
GD-M
GD-S
Tperiod (100
μs)
Tdelay
Ton-m (50
μs)
Ton-s


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