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PDF AT73C212 Data sheet ( Hoja de datos )
| Número de pieza | AT73C212 | |
| Descripción | Power Management for Mobiles (PM) | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• 300 mA/1.9V/2.5V DC to DC Converter
• 80 mA/2.8V Dual-mode LDO Regulator (LDO1)
• 130 mA/2.7V/2.8V LDO Regulator (LDO2)
• 130 mA/2.8V LDO Regulator (LDO3)
• 130 mA/2.8V LDO Regulator (LDO4)
• 10 mA/1.8/2.8V Dual-mode LDO Regulator (LDO5)
• Available in a 5 mm x 5 mm 32-pin QFN or 5 mm x 5 mm 32-ball BGA Package
• Applications: Mobile Phones, Digital Cameras, PDAs, SmartPhones, DECT Phones,
Handset Devices
Description
The AT73C212 provides a power management solution for integration of multimedia
features in mid-level mobile phone handsets. These features may include a camera
module (CMOS or CCD), audio generators for a polyphonic or MP3 ringer, a co-pro-
cessor for JPEG encoding and an external memory module.
The AT73C212 contains six power supplies: five linear voltage regulators providing
output voltage from 1.8V to 2.8V and output current from 10 mA to 130 mA and a DC -
DC converter supplying 300 mA from 1.9V or 2.5V.
The device is available in two compact, space-saving package options: 32-ball BGA or
32-pin QFN.
Power
Management for
Mobiles (PM)
AT73C212
2743A–PMGMT–05/04
1 page  
AT73C212
DC to DC Electrical Characteristics
TAMB = - 20°C to 85°C, VBAT = 3V to 4.2V unless otherwise specified. COUT = 22µF - Tantalum - LOUT = 10 uH
Table 2. DC to DC Electrical Characteristics
Symbol Parameter
Conditions
Min Typ Max
VBAT
VOUT
Operating Supply Voltage
Output Voltage
PWM Mode (DM = 0, DV = 0)
Overall accuracy
3
1.80 1.90
5.5
2.0
VOUT
VOUT
IOUT
ISD
Eff
∆VDCLD
∆VTRLD
∆VDCLE
∆VTRLE
Output Voltage
Output Voltage
Output Current
Shut DownCurrent
Efficiency
Static Load Regulation
Transient Load Regulation
Static Line Regulation
Transient Line Regulation
Initial Voltage after Trimming
PWM Mode (DV = 1, DM = 0)
PWM Mode (DM = 0)
IOUT = 10 mA to 200 mA @1.9V
DC - DC Mode (10% to 90% of IOUT max)
DM = 0
DC - DC Mode (10% to 90% of IOUT max)
TR =TF = 5 us; DM = 0
DC - DC Mode (10% to 90% of IOUT max,
3.2V to 4.2V) DM = 0
DC - DC Mode (10% to 90% of IOUT max,
3.2V to 4.2V) DM = 0
1.9 ± 2%
2.45 2.50 2.55
150 300
0.1 1
85 90
7
30
20
35
VOUT
VOUT
IOUT
VDROP
IQC
∆VDCLD
∆VTRLD
Output Voltage
Output Voltage
Output Current
Dropout Voltage
Quiescent Current
Static Load Regulation
Transient Load Regulation
LDO Mode (DV = 0, DM = 1)
LDO Mode (DV = 1, DM = 1)
LDO Mode (DM = 1)
LDO Mode (DM = 1)
LDO Mode (DM = 1)
LDO Mode (0 to 10 mA); DM = 1
LDO Mode (0 to 10 mA) , TR = TF = 5 µs,
DM = 1
1.75 1.80 1.85
2.35 2.40 2.45
10
400
11 14
50
10
∆VDCLE
∆VTRLE
PSRR
∆VLPFP
∆VFPLP
Static Line Regulation
Transient Line Regulation
Ripple Rejection
Overshoot Voltage
Undershoot Voltage
LDO Mode (3.2V to 4.2V); DM = 1
LDO Mode (3.2V to 4.2V); DM = 1
LDO Mode up to 1KHz; DM = 1
Voltage drop from LDO (LP) to DC - DC (FP)
Voltage drop from DC - DC (FP) to LDO (LP)
40 45
0
- 15 0
8
15
10
Unit
V
V
V
V
mA
µA
%
mV
mV
mV
mV
V
V
mA
mV
µA
mV
mV
mV
mV
dB
mV
mV
Table 3. DC to DC External Components
Symbol Parameter
Conditions
COUT
CESR
LOUT
LESR
Output Capacitor Value
Output Capacitor ESR
Output Inductor Value
Output Inductor ESR
At 100 kHz
Min Typ Max Unit
17 22 26 µF
100 mOhm
8 10 12 µH
1.1 Ohm
2743A–PMGMT–05/04
5
5 Page 
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errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and
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© Atmel Corporation 2004. All rights reserved. Atmel® and combinations thereof are the registered trademarks of Atmel Corporation or its
subsidiaries. Other terms and product names may be the trademarks of others.
Printed on recycled paper.
2743A–PMGMT–05/04
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AT73C212.PDF ] | |
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