STW4811M STMicroelectronics, STW4811M Datasheet - Page 59
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STW4811M
Manufacturer Part Number
STW4811M
Description
Power Management For Multimedia Processors
Manufacturer
STMicroelectronics
Datasheet
1.STW4811M.pdf
(87 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STW4811MBHD/LF
Manufacturer:
ST-Ericsson Inc
Quantity:
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Company:
Part Number:
STW4811MBHDT/LF
Manufacturer:
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Company:
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Manufacturer:
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Company:
Part Number:
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Manufacturer:
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Quantity:
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STw4811M/STw4811N
5.3.4
Table 39.
1. Guaranteed by design
VIO_VMEM DC/DC step-down converter
Table 40.
VCORE regulator in sleep mode (SLEEP= ‘1’)
V
V
L
L
I
P
I
L
VIO_VMEM regulator in high power mode (SLEEP = ‘0’)
V
V
V
L
L
I
P
I
I
PSRR
L
L
OUT
Q
OUT
SHORT
Q
IR
DR
IRT
IR
DR
IRT
DRT
Symbol
Symbol
BAT
RIPPLE
EFF
BAT
OUT
RIPPLE
EFF
(2)
(2)
Input power supply Battery voltage
VCORE output
voltage ripple
Line regulation
Load regulation
VCORE output
current
Power efficiency
Quiescent current
Transient line
regulation
Input power supply Battery voltage
Output voltage
Output ripple
Line regulation
Load regulation
Output current
Power efficiency
Short circuit
current limitation
Quiescent current
Power supply
rejection
Transient line
regulation
Transient load
regulation
VCORE DC/DC step-down converter (continued)
VIO_VMEM DC/DC step-down converter
Description
Description
(1)
V
I
V
I
I
Δ V
t
V
I
VBAT = 3.6 V,
VIO = 1.8 V
I
I
Vpp = 0.3 V
[0; 20] kHz
ΔV
t
I
t
OUT
OUT
OUT
R
OUT
OUT
OUT
R
OUT
R
BAT
BAT
BAT
Test conditions
Test conditions
= t
= t
= t
BAT
BAT
: [0.1; 5] mA
: [0.1; 5] mA
: [0.1; 600] mA
= 200 mA
= [1; 600] mA
: [2.7; 4.8]V
= 3.6 V
: [2.7; 4.8]V
= 0 mA
F
= 0 mA
F
F
= 300 mV
= 300 mV
= 10 µs
= 10 µs
= 100 ns
Min.
Min.
-3%
Electrical and timing characteristics
2.7
2.7
0.9
40
Typ.
Typ.
130
3.6
3.6
1.8
1.2
85
20
90
70
6
7
6
7
Max.
Max.
+3%
600
250
4.8
4.8
1.4
10
10
30
10
10
5
Units
mVpp
Units
mVpp
mV
mV
mA
mV
mV
mV
mA
mV
mV
µA
µA
dB
%
%
V
V
V
A
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