Functional Characteristics
VDD Characteristics
4
Functional Characteristics
The following applies unless otherwise noted: VIN = 60Hz half-wave sinusoidal from 0V to the peak
voltage (VPK) given in the test conditions of each graph. TA = 25°C.
All measurement readings are typical.
4.1
V Characteristics
DD
Figure 4: I Quiescent (I
) vs. V
DD
DD
DD_QST
100
90
80
70
60
50
40
30
20
10
0
0
2
4
6
8
10
12
VDD (V)
Test Conditions:
VFB = 0V
CGate = 1nF
V_Isns = 0V
VIN = 0V
FSW = 118kHz
Figure 5a: I vs. V (V
)
Figure 5b: I vs. V (V
), V Enable
DD_ON FB
DD
DD
DD_ON
DD
DD
7
6
5
4
3
2
1
0
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
VDD Falling
VDD Rising
VDD Falling
VDD Rising
0
5
10
VDD (V)
15
20
0
2
4
6
8
10
12
14
16
VDD (V)
Test Conditions:
VFB = 0V
Test Conditions:
VFB = 2.4V
CGate = 1nF
V_Isns = 0V
CGate = 1nF
V_Isns = 0V
VIN = 0V
VIN = 0V
FSW = 118kHz
FSW = 118kHz
Copyright © 2009 Marvell
September 30, 2009, 2.00
Doc. No. MV-S104861-01 Rev. –
Page 21
Document Classification: Proprietary
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
