R2A20118ASP Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
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Fabricante
R2A20118ASP Datasheet PDF : 10 Pages
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R2A20118ASP
Preliminary
Electrical Characteristics (cont.)
(Ta = 25°C, VCC = 12 V, RT = 33 k, BO = 5 V, OCP = TL = OVP2 = GND, CRAMP = 820 pF, FB = COMP,
RAMP-GAIN = OPEN)
Item
Symbol
Min
Typ Max
Unit
Test Conditions
Zero
current
detector
Upper clamp voltage
Lower clamp voltage
ZCD low threshold voltage
ZCD hysteresis
Vzcdh
Vzcdl
Vzcd-lo
Hyszcd
4.0
4.5
5.0
–0.5 –0.1
0.4
0.9
1.3
1.6
130
250
360
V
Isource = –3 mA
V
Isink = 3 mA
V
*1
mV
*1
Input bias current
Izcd
–14
–10
–6
A 1.2 V < Vzcd < 2.5 V
ZCD open
detector
Slave ZCD open detect delay
time
tzcds
—
100
—
ms ZCD-S: Open
Gate drive 10 kHz *1
Soft start
Charge current
Ic-ss
–14
–10
–6
A SS = 2 V
Timer latch
for
overcurrent
Charge current
Discharge current
Ic-tl
–4.8 –3.2 –1.2
A TL = 2 V
OCP-M = 0.5 V
Id-tl
1.2
3.2
4.8
A TL = 2 V
Threshold voltage
Vtl
2.88
3.2
3.52
V
Restart
Restart time delay
Notes: *1 Design spec.
*2
Tstart
210
280
350
s
ZCD-M = 10 k
ZCD-S = 10 k *2
Tstart (280 μs)
[A period without ZCD-M trigger]
ZCD-M
Vzcd-lo (1.3 V: provide 250 mV hysteresis)
GD-M
Restart pulse width: 1 μs
(Design spec)
R03DS0002EJ0100 Rev.1.00
Jul 14, 2010
Page 7 of 9
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