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R2A20134ASP Datasheet(PDF) 5 Page - Renesas Technology Corp

Part # R2A20134ASP
Description  LED Lighting Power Controller
Download  14 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R2A20134ASP Datasheet(HTML) 5 Page - Renesas Technology Corp

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R2A20134ASP
R03DS0067EJ0100 Rev.1.00
Page 5 of 13
May 09, 2013
Electrical Characteristics
(Ta = 25°C, VCC = 15 V, CS = 0 V, FB = COMP, RRT = 200 k
)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
UVLO turn-on threshold
Vuvlh
11.2
12
12.8
V
UVLO turn-off threshold
Vuvll
8.5
9.2
9.9
V
UVLO hysteresis
Hysuvl
2.1
2.8
3.5
V
Standby current
Istby
130
250
A
VCC = Vuvlh – 0.2 V
Supply
Operating current
Icc
2.2
3.3
mA
FB: GND
Reference voltage
Vref
4.945
5.020
5.095
V
Isource = 0 mA
Temperature stability
dVref
80
ppm/°C
Tj = –40 to 150°C *
1
Line regulation
Vref-line
5
20
mV
Isource = 0 mA
Vcc = 10 V to 24 V
VREF
Load regulation
Vref-load
5
20
mV
Isource = 0 mA to –5 mA
Feedback voltage
Vfb
0.587
0.605
0.623
V
Input bias current
Ifb
–0.75
–0.25
–0.1
A
Measured pin: FB
Open loop gain
Av
63
dB
Upper clamp voltage
Vclamp_comp
3.85
4.10
4.30
V
FB = 0.3 V
COMP: Open
Low voltage
Vl-comp
0.1
0.3
V
FB = 0.9 V
COMP: Open
Source current
Isrc-comp
–13
–9.5
–6
A
FB = 0.3 V
COMP: 2.5 V
Sink current
Isnk-comp
6
9.5
13
A
FB = 0.9 V
COMP: 2.5 V
Error
amplifier
Transconductance
gm
25
45
70
s
FB = 0.55 V
 0.65 V
COMP: 2.5 V
RAMP offset voltage
Voffset_ramp
1.0
V
RAMP amplitude
dVramp
2.9
3.1
3.3
V
*2
RT
RT voltage2
V-rt2
2.9
3.0
3.1
V
RT-Vref: 200 k
Notes: 1. Design spec.
2. dVramp = Vclamp_comp – Voffset_ramp


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