MB3776A-P Fujitsu Microelectronics, Inc., MB3776A-P Datasheet - Page 9

• Manufacturer Part Number: MB3776A-P
• Description: Switching Regulator Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

TYPICAL CHARACTERISTIC
Output bias current vs. Output source current
Ambient temp. vs. Oscillator frequency
–50
–40
–30
–20
–10
0
200
200
100
100
0
0
210
200
190
180
170
160
150
0
0
–100 –200 –300 –400 –500 –600 –700
–100 –200 –300 –400 –500 –600 –700
–30 –20
0
2
Output bias current I
“L” Level output current I
4
Ambient temp. Ta ( C)
“L” Level output
0
6
8
20
10 12 14 16 18 20
V
R
C
R
40
CC
B
T
T
B
= 820
= 1000 pF
= 3 k
(
= 2 V
V
R
Ta = +25 C
O
CC
B
V
Ta = +25 C
60
(mA)
= 820
CC
= 2 V
= 2 V
75
Timing resistor vs. Oscillator frequency
Output bias current vs. Output bias voltage
1.0
0.8
0.6
0.4
0.2
500 k
100 k
50 k
10 k
0
2.0
1.0
0.0
2 M
1 M
5 k
1 k
0
1 k
0
–100 –200 –300 –400 –500 –600 –700
“H” Level output current I
C
10000 pF
–6
T
5 k 10 k
Timing resistor R
=
“H” Level output
C
1000 pF
Output bias current I
T
=
–12
50 k 100 k
–18
C
V
R
Ta = +25 C
T
T
( )
CC
B
MB3776A
= 100 pF
= 820
= 3 V
V
R
Ta = +25 C
O
B
CC
B
(
(mA)
–24
= 820
= 2 V
V
Ta = +25 C
500 k
CC
= 2 V
(Continued)
–30
9