MB3870 Fujitsu Media Devices, MB3870 Datasheet - Page 12

• Manufacturer Part Number: MB3870
• Description: Pentium II DC/DC Converter IC
• Manufacturer: Fujitsu Media Devices

12
MB3870
(Continued)
Error Amp. gain, Phase vs. Frequency characteristics
–10
–20
–30
–40
40
30
20
10
0
1 K
10 K
Frequency f (H
ERR threshold (1.3 V setting) vs. Temperature characteristics
100 K
AV
1.34
1.32
1.30
1.28
1.26
1.24
Ta = +25 C
V
V
–40.0 –20.0
Z
CC
B
)
1 M
= 5 V
= 5 V
10 M
V
CC
0.0
180
135
90
45
0
–45
–90
–135
–180
Temperature Ta ( C)
= 5 V, VB = 5 V, RT = 130 k
20.0 40.0 60.0
IN
1 F
80.0 100.0
2.4 k
V
10 k
10 k
REF
Error Amp.
3 V
1.5 V
–
+
+
240 k
OUT
(Continued)