R2A20131SP_15 Datasheet, PDF (5/9 Pages) Renesas Technology Corp – Continuous Conduction Mode PFC Control IC

R2A20131SP
Preliminary
Electrical Characteristics
(Ta = 25°C, VCC = 12 V, RT = 33 k, PFC_IN = GND, CT = 470 pF, CS = GND, FB = COMP, BO = 4 V,
LTB_RES1 = 33 k, LTB_RES2 = 33 k)
Item
Symbol
Min Typ Max Unit
Test Conditions
Supply
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
— 100 180
A VCC = 8.9 V
Operating current
Icc
— 2.5
4
mA
Brownout BO threshold voltage
Vbo
1.35 1.40 1.45
V
BO pin hysteresis
Ibo
current
(3.3) (3.3) (3.3)
A BO = 1 V, RT = 33 k
0.92
1.08
BO pin current
Ibo2
0.05 0.15 0.4
A BO = 2 V
Error
Feedback voltage
Vfb
amplifier _{Input bias current}
Ifb
2.472 2.51 2.548
V
FB-COMP short
–0.4 –0.15 –0.05 A Measured pin: FB
FB = 3 V
Open loop gain
Av
—
50
—
dB *1
Upper clamp voltage
Vclamp_comp 4.0 4.3
—
V
FB = 2.0 V
COMP: Open
Low voltage
Vl-comp
— 0.1 0.3
V
FB = 3.0 V
COMP: Open
Transconductance
gm
100 180 270
s FB = 2.5 V
COMP: 2.5 V
Oscillator
Initial accuracy
fout temperature
stability
fGD
dfout/dTa
58.5 65 71.5
— 0.1 —
kHz
%/°C
Measured pin: GD
Ta = –40 to 125°C *¹
fout voltage stability
fout-line
–1.5 0.5 1.5
% VCC = 12 V to 18 V
RT voltage
Vrt
1.595 1.65 1.705
V
Over
current
protection
OCP threshold voltage
CS bias current
Vocp
Ics
–0.315 –0.3 –0.285
V
–130 –100 –60
A Measured pin: CS
Current
AMP
CSO output voltage
V-cso
0.8
1
1.2
V
CS = –0.1 V
Load
Source current
Iltb
tracing
boost
(–21.2) (–21.2) (–21.2)
A
BO = 2V, LTB_CAP = 0 V
1.05
0.95
FB = 2.5 V, PFC_IN = 3 V
Measure pin: FB
High threshold voltage Vltb-hi
3.2 3.6 4.0
V
Measured pin: BO
Low threshold voltage Vltb-lo
2.9 3.2 3.5
V
POWER
GOOD
function
PFC_IN threshold
voltage 1
PFC_IN hysteresis
current
Vpfc_in1
Ipfc_in1
2.42 2.5 2.58
V
(–10) (–10) (–10) A PFC_IN = 3 V, RT = 33 k
1.08
0.92
PFC_IN current
Ipfc_in2
–0.4 –0.15 –0.05 A PFC_IN = 2 V
PG OUT leak current
Ipgh
—
—
5
A PFC_IN = GND
VPG_OUT = 5 V
PG OUT low voltage
Vpgl
—
—
0.4
V
PFC_IN = 3 V
PG OUT sink current =
20 mA
Note: *1 Design spec
R03DS0032EJ0200 Rev.2.00
Mar 05, 2012
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