R2A20124ASP-W0 Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
R2A20124ASP-W0 Datasheet PDF : 13 Pages
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R2A20124AFP/R2A20124ASP
Preliminary
Pin Functions
LQFP-40
Pin No.
1
2
4
5
6
7
9
13
14
17
18
19
20
22
23
—
24
27
29
31
33
34
36
37
38
3, 8,
10 to 12,
15, 16,
21, 25,
26, 28,
30, 32,
35, 39,
40
SOP-20
Pin No.
8
9
10
—
—
11
12
13
14
15
16
17
18
—
—
19
20
1
2
3
4
—
5
6
7
—
Pin Name
DELAY-1
DELAY-2
DELAY-3
SEC-CONT
REMOTE
VREF
VCC
OUT-F
OUT-E
OUT-D
OUT-C
OUT-B
OUT-A
PGND
SGND
GND
RT
SYNC
RAMP-SLP
RAMP
CS
CS-OUT
COMP
FB(–)
SS
N.C.
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Output
Input
Output
Output
Output
Output
Output
Output
—
—
—
Input/Output
Input/Output
Input/Output
Input
Input
Output
Output
Input
Output
—
Pin Function
Delay time adjustor for the full-bridge control signal (OUT-A and B)
Delay time adjustor for the full-bridge control signal (OUT-C and D)
Delay time adjustor for the secondary control signal (OUT-E and F)
Synchronous rectification on/off control
Remote on/off control
5 V/20 mA output
IC power supply input
Secondary control signal
Secondary control signal
Full-bridge control signal
Full-bridge control signal
Full-bridge control signal
Full-bridge control signal
Ground level for the output signal
Ground level for the small signal
Ground
Timing resistor for the oscillator
Synchronization I/O for the oscillator
Ramp sloping adjustor
Ramp waveform set
Current sense signal input for OCP
Current sense information amplifier output
Error amplifier output
Error amplifier negative input
Timing capacitor for soft start
Open
R03DS0031EJ0300 Rev.3.00
Mar 11, 2011
Page 4 of 12
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