m51996ap Renesas Electronics Corporation., m51996ap Datasheet - Page 6

• Manufacturer Part Number: m51996ap
• Description: Switching Regulator Control
• Manufacturer: Renesas Electronics Corporation.

M51996AP/AFP
Oscillator
SOFT
REG
Output
Detection
REJ03D0836-0201 Rev.2.01 Nov 14, 2007
Page 6 of 35
Block
Oscillating frequency
Maximum ON duty
Upper limit voltage of
oscillation waveform
Lower limit voltage of
oscillation waveform
Voltage difference
between upper limit
and lower limit of OSC
waveform
T-ON terminal voltage
T-OFF terminal voltage
Oscillating
frequency
during
SOFT
operation
SOFT terminal input
current
SOFT terminal
discharging current
Regulator output
voltage
Output low voltage
Output high voltage
Output voltage rise
time
Output voltage fall time
Detection voltage
DET terminal input
current
Voltage gain of
detection amp
Item
V
5.5 V
V
2.5 V
V
0.2 V
SOFT
SOFT
SOFT
f
T
V
V
V
V
f
I
I
V
V
V
V
V
V
V
T
T
V
I
G
OSC
OSCSOFT
SOFTIN
SOFDIS
INDET
Symbol
DUTY
V
RISE
FALL
OSCH
OSCL
T-ON
T-OFF
REG
OL
OL
OL
OL
OH
OH
DET
AVDET
OSC
1
2
3
4
1
2
Min.
3.97
1.76
2.11
19.0
–0.5
16.0
15.5
170
170
111
3.8
2.9
6.8
2.4
47
30
—
—
—
—
—
—
—
1
Limits
Typ.
4.37
1.96
2.41
23.3
–0.1
0.04
0.85
16.7
16.5
188
188
131
4.5
3.5
3.3
7.8
0.7
1.3
2.5
1.0
50
60
40
40
(V
CC
Max.
4.77
2.16
2.71
27.0
207
207
151
5.4
4.2
8.8
0.4
1.4
1.0
2.0
2.6
3.0
53
—
—
—
—
—
—
—
18 V, Ta
Unit
kHz
kHz
mA
dB
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
25 C, unless otherwise noted)
R
C
R
C
R
R
R
C
V
Discharge current of SOFT
terminal at V
V
V
V
V
V
V
V
V
SOFT
CC(STOP)
CC
CC
CC
CC
CC
CC
DET
ON
F
ON
F
ON
OFF
ON
F
220 pF, –5
220 pF
220 pF
Test Conditions
18 V, I
18 V, I
5 V, I
5 V, I
18 V, I
18 V, I
20 k , R
20 k , R
20 k
20 k , R
2.5 V
17 k
1 V
O
O
CC
O
O
O
O
1 mA
100 mA
OFF
OFF
OFF
less than
10 mA
100 mA
–10 mA
–100 mA
Ta
17 k
17 k
17 k
85 C