R2A20112SPW0 データシートの表示（PDF） - Renesas Electronics
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R2A20112SPW0 Datasheet PDF : 8 Pages
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R2A20112SP/DD
Absolute Maximum Ratings
(Ta = 25°C)
Item
Symbol
Ratings
Unit
Note
Supply voltage
Vcc
–0.3 to 24
V
GD-M Peak current
Ipk-gdm
±200
mA
3
GD-M DC current
Idc-gdm
±10
mA
GD-S Peak current
Ipk-gds
±200
mA
3
GD-S DC current
Idc-gds
±10
mA
ZCD terminal current
Izcd
±10
mA
RT terminal current
Irt
–200
μA
Vref terminal current
Iref
–5
mA
COMP terminal current
Icomp
±1
mA
Terminal voltage
Vt-group1
–0.3 to Vcc
V
4
Vt-group2
–0.3 to Vref
V
5
Vref terminal voltage
Vt-ref
–0.3 to Vref+0.3
V
Power dissipation
Pt
1
W
6
Operating junction temperature
Tj-opr
–40 to +150
°C
Storage temperature
Tstg
–55 to +150
°C
Notes: 1. Rated voltages are with reference to the SGND terminal.
2. For rated currents, inflow to the IC is indicated by (+), and outflow by (–).
3. Shows the transient current when driving a capacitive load.
4. This is the rated voltage for the following pins:
RAMP, FB
5. This is the rated voltage for the following pins:
RT, OCP-M , OCP-S
6. In case of R2A20112DD (DILP): θja = 120°C/W (Not recommend for new design)
In case of R2A20112SP (SOP): θja = 120°C/W
This value is a thing mounting on 40 × 40 × 1.6 [mm], a glass epoxy board of wiring density 10%.
Electrical Characteristics
(Ta = 25°C, Vcc = 12 V, RT = 22 kΩ, OCP = GND, CRAMP = 680 pF, RZCD-GND = 51 kΩ, FB = COMP)
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
—
120
200
μA
Vcc = 8.9 V, ZCD = Open
Operating current
Icc
—
4.9
7.0
mA
VREF
Output voltage
Vref
4.85
5.00
5.15
V
Isource = –1 mA
Line regulation
Vref-line
—
5
20
mV Isource = –1 mA,
Vcc = 10 V to 24 V
Load regulation
Temperature stability
Vref-load
dVref
—
5
20
mV Isource = –1 mA to –5 mA
—
±80
—
ppm/°C Ta = –40 to 125°C *1
Note: 1. Design spec.
R19DS0079EJ0400 Rev.4.00
Dec 13, 2014
Page 4 of 7
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