pip250m NXP Semiconductors, pip250m Datasheet - Page 10

• Manufacturer Part Number: pip250m
• Description: Pip250m Integrated Buck Converter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 5:
V
9397 750 10904
Product data
Symbol
Error amplifier
G
GB
Overvoltage, overcurrent and undervoltage protection
V
V
I
t
t
t
OCSET
D(OC)
D(UV)
SS
DDC
Fig 7. Total power dissipation as a function of average
FB(th)OV
FB(th)UV
ol
= 5 V; T
See circuit of
V
DDC
P tot
(W)
output current; typical values.
4
3
2
1
0
= 5 V; V
Characteristics
0
amb
Parameter
open loop gain
Gain bandwidth product
overvoltage threshold
feedback voltage
undervoltage threshold
feedback voltage
OCSET sink current
overcurrent trip delay
undervoltage trip delay
soft start interval
= 25 C; circuit of
Figure
DDO
= 5 V; V
4
9.
…continued
O
= 2.5 V
8
Figure 9
12
Conditions
voltage on FB increasing
voltage on FB decreasing
V
I O(AV) (A)
unless otherwise specified.
OCSET
03ak51
Rev. 02 — 21 February 2003
16
= 4.5 V
Fig 8. Total solution efficiency as a function of
See circuit of
(1) V
(2) V
(3) V
(4) V
(5) V
(%)
100%
95%
90%
85%
80%
75%
average output current; typical values.
O
O
O
O
O
2
= 1.5 V
= 3.3 V
= 2.5 V
= 1.8 V
= 1.2 V
Min
-
-
1.0
-
35
-
-
-
Figure
5
9.
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
7
Typ
35
17
1.1
0.5
40
30
30
2
Integrated buck converter
10
PIP250M
Max
-
-
-
0.6
45
-
-
-
12
I O(AV) (A)
(1)
(2)
(3)
(4)
(5)
03al76
15
10 of 19
Unit
dB
MHz
V
V
ms
A
s
s