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STW4810 Datasheet(PDF) 65 Page - STMicroelectronics

Part # STW4810
Description  Power management for multimedia processors
PDF  78 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4810 Datasheet(HTML) 65 Page - STMicroelectronics

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STw4810
Electrical and timing characteristics
65/78
Charge pump
VBAT
Input power supply
Battery voltage
VUSB+0.1
3.6
4.8
V
VBUS
Output voltage
Current load up to 100
mA
4.75
5
5.25
V
tS
Settling time
[0;4.8] V)
Ext. load: 100 mA +
External cap = 10µF
1.2
ms
IQ
Quiescent current
No Load
2.7
mA
VRipple
Amplitude output ripple
on VBUS
Current load 8 mA
Current load 100mA
25
40
mV
mV
IOUT
Output current
100
mA
Eff
Efficiency
VBAT = 3.0V
IOUT =100mA
VBAT= 3.6V.
IOUT = 8 mA.
85
60
%
%
VUSB regulator
VBAT
(1)
Input voltage
Battery voltage:
VBAT min =
VOUT + 0.1V
VUSB+0.1
3.6
5.5
V
VOUT
Output voltage
VBAT min=
VOUT + 0.1V
3.0
3.1
3.2
V
ISHORT
Short circuit current
limitation
320
mA
IQ
Quiescent current
No load
70
µA
PSRR(2)
Power supply rejection
VBAT= VOUT+0.2V
f < 20 kHz
45
dB
NVOUT
Output noise voltage
VBAT= VOUT+0.2V
10Hz <f< 100kHz
100
µVrms
LIRT
Transient line
regulation
ΔVBAT = 300 mV
tR = tF = 10µs.
5mV
tS
Settling time
OFF->ON
IOUT = 0mA
25
µs
tD
Discharge time
ON>OFF
IOUT = 0mA
400
µs
1.
From 4.8 V to 5.5 V, charge pump is “Off” and no OTG feature is provided
2.
Guaranteed by design
Table 50.
USB OTG transceiver (continued)
Symbol
Description
Test conditions
Min.
Typ.
Max.
Units



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