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PDF MAX77826 Data sheet ( Hoja de datos )
| Número de pieza | MAX77826 | |
| Descripción | Power Management IC | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX77826 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MAX77826
EVALUATION KIT AVAILABLE
Power Management IC
General Description
The MAX77826 is a subpower management IC for the
latest 3G/4G smartphones and tablets. The MAX77826
contains a high-efficiency BUCK regulator, a BUCK
BOOST regulator and 15 LDOs to power up peripherals.
The MAX77826 also provides power on/off control logic
and an I2C serial interface to program individual regulator
output voltages and on/off control for complete flexibility.
The linear regulators support a remote cap feature and
provide greater than 70dB PSRR and less than 45µVRMS
noise.
The MAX77826 features I2C-compatible, 2-wire serial
interface that comprises a bidirectional serial data line
(SDA) and a serial clock line (SCL). The MAX77826 sup-
ports SCL clock rates up to 3.4MHz.
Applications
●● GSM, GPRS, EDGE, CDMA WCDMA, and LTE
Smartphones and Tablets
Ordering Information appears at end of data sheet.
Benefits and Features
●● Compact Total Solution Size Allows More Peripheral
Devices in Smartphones and Tablets
• 3A High-Efficiency BUCK Regulator
• DVS (Dynamic Voltage Scaling) Through HS I2C
• ±1% (typ) Output Voltage DC Accuracy
• Low Power Mode
• 2A BUCK BOOST Regulator
• 15 Linear Regulators with Remote Cap
• 3 NMOS LDOs (VOUT Range: 0.6V to 2.1875V
with 12.5mV Step)
• 1 x 150mA
• 1 x 450mA
• 1 x 600mA
• 6 PMOSLV LDOs (VOUT Range: 0.8V to 3.975V
with 25mV Step)
• 3 x 150mA
• 3 x 300mA
• 6 PMOSLS LDOs (VOUT Range: 0.8V to 3.975V
with 25mV Step)
• 3 x 150mA
• 3 x 300mA
• ±1.5% Typical Output Voltage DC Accuracy
• 70dB PSRR at 1kHz
• Low Power Mode with 2µA (typ) for all LDOs
●● Simple Management of Power-Up/Down Sequence,
Output Voltage Setting, and Fault Detection
• High-Speed (Up to 3.4MHz) I2C Serial Interface
19-6893; Rev 0; 6/15
1 page  
MAX77826
Power Management IC
I2C Electrical Characteristics (continued)
(VSYS = VIN_ = +3.7V, VIO = 1.8V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
I2C-COMPATIBLE INTERFACE TIMING (HS MODE)
Clock Frequency
Set-Up Time REPEATED
START Condition
fSCL
tSU;STA
Hold Time (REPEATED)
START Condition
tHD;STA
CLK Low Period
CLK High Period
DATA Setup time
DATA Hold Time
SCL Rise Time
(Note 3)
tLOW
tHIGH
tSU:DAT
tHD:DAT
tRCL
TA = +25°C
Rise Time of SCL Signal
After a REPEATED
START Condition and
After an Acknowledge Bit
(Note 3)
trCL1
TA = +25°C
SCL Fall Time
(Note 3)
SDA Rise Time
(Note 3)
SDA Fall Time
(Note 3)
Set-Up Time for STOP
Condition
Capacitive Load for Each
Bus Line
tfCL TA = +25°C
trDA TA = +25°C
tfDA TA = +25°C
tSU;STO
CB
Maximum Pulse Width
of Spikes That Must Be
Suppressed by the Input
Filter
CB = 100pF
MIN TYP MAX
160
160
160
60
10
35
10
3.4
40
10 80
10 40
80
80
160
100
10
CB = 400pF
MIN TYP MAX
1.7
160
160
320
120
10
75
20
80
20 160
20 80
160
160
160
400
10
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ns
www.maximintegrated.com
Maxim Integrated │ 5
5 Page 
MAX77826
Power Management IC
LDO2 (150mA NMOS)
(VSYS = VINLx = +3.7V, CSYS = 1.0µF, COUT = 1.0µF, CREFBYP = 100nF, TA = -40°C to +85°C, unless otherwise noted.) (Note 5)
PARAMETER
Input Voltage Range
Input Supply Current
System Supply Current
Output Voltage Programming
Output Voltage Accuracy
Maximum Output Current
(Note 8)
Load Regulation
Line Regulation
Dropout Voltage
Output Current Limit
Output Capacitance for Stability
CONDITIONS
VINLx must be lower than or equal to VSYS
VSYS
(Note 7)
Normal mode, no load
Low power mode, no load
Shutdown
Normal mode, no load
Low power mode, no load
Shutdown
Minimum VOUT, Lx_VOUT[6:0] = 7’h00
Maximum VOUT, Lx_VOUT[6:0] = 7’h7F
Least significant step size
VSYS ≥ VOUT + 1.5V
(VSYSMIN = 2.6V),
VINLx = VOUT + 0.3V to
VSYS
Normal mode
Normal mode
IOUT = 0.1mA to IMAX
Low power mode
IOUT = 0.1mA to 5mA
Low power mode
VSYS ≥ VOUT + 1.5V
(VSYSMIN = 2.6V)
Normal mode
IOUT = 0.1mA to IMAX
Low power mode
IOUT = 0.1mA to 5mA
VSYS ≥ VOUT + 1.5V
(VSYSMIN = 2.6V),
IOUT = 0.1mA
Normal mode
Low power mode
Normal mode,
IOUT = IMAX,
VDO = VINLx - VOUT
VSYS - VOUT = 2.5V
VSYS - VOUT = 1.5V
VOUT = 90% of VOUT
(TARGET)
Normal mode
Low power mode
DCR < 200mΩ, ESL < 20nH (Note 9)
MIN
VOUT
2.6
1.5
TYP
2
2
< 0.1
25
3
< 0.1
0.6
2.1875
0.0125
MAX
VSYS
5.5
UNITS
V
µA
µA
V
-2 +2
%
-5 +5
150
mA
5
0.5
%
0.5
0.05
0.05
%/V
60 150
100
mV
225 450
10
0.5 1.0
mA
µF
www.maximintegrated.com
Maxim Integrated │ 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MAX77826.PDF ] | |
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