STW4810CRAT/LF ST-Ericsson Inc, STW4810CRAT/LF Datasheet - Page 52

• Manufacturer Part Number: STW4810CRAT/LF
• Description: IC PWR MNGMNT MULTIMEDIA 84VFBGA
• Manufacturer: ST-Ericsson Inc

Specifications of STW4810CRAT/LF

• Applications: Processor
• Current - Supply: 170µA
• Voltage - Supply: 2.7 V ~ 4.8 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 84-VFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STw4810
5.3.3
VCORE DC/DC step-down converter
Table 38.
VCORE regulator in normal mode (SLEEP = ‘0’) / Otherwise specified; VCORE = 1.2 V
V
V
V
I
P
L
L
I
I
I
PSRR
L
L
OUT
SHORT
Q
LKG
IR
DR
IRT
DRT
Symbol
BAT
RIPPLE
OUT
EFF
(1)
(1)
Input power supply Battery voltage
Output voltage
ripple
Programmable
output voltage
Output current
Power efficiency
Line regulation
Load regulation
Short circuit
current limitation
Quiescent current
Power-down
current
Power supply
rejection
Transient line
regulation
Transient load
regulation
VCORE DC/DC step-down converter
Description
(2)
VCORE_SEL[3:0]
1111
1110
1101
1100
1011
1010
1001
1000
0111
0110
0101
0100 (default)
0011
0010
0001
0000
V
I
V
I
I
‘en_vcore’ = 0
Vpp = 0.3 V
[0; 20] kHz
ΔV
t
I
t
OUT
OUT
OUT
R
OUT
R
BAT
BAT
Test conditions
= t
= t
BAT
: [0.1; 600] mA
: [2.7; 4.8]V
= 200 mA
= 0 mA
F
= [1; 600] mA
F
= 3.6 V
= 300 mV
= 10 µs
= 100 ns
-4.25%
-3.7%
Min.
-5%
Electrical and timing characteristics
2.7
0.9
40
Typ.
1.50
1.40
1.38
1.36
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
1.15
1.10
1.05
1.00
130
3.6
1.2
10
86
70
7
+4.25%
+3.7%
Max.
+5%
600
250
4.8
1.4
10
10
1
Units
mVpp
mA
mV
mV
mV
mV
µA
µA
dB
%
V
V
A
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