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參數資料
| 型號： | TPS65708YZHT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, PBGA16 |
| 封裝： | GREEN, DSBGA-16 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 2189K |
| 代理商： | TPS65708YZHT |
2.2 F
m
VLDO1
LDO1
200mA
FB2
1.5 H
m
L2
DCDC2
400mA
TPS65708
Vout2
Vout3
FB1
1.5 H
m
L1
DCDC1
400mA
10 F
m
Vout1
VIN1
VIN2
PGND1
PGND2
VCC
MODE
VLDO2
LDO2
200mA
Vout4
V(USB)
PWM
ISINK
VINLDO1
VINLDO2
10 F
m
2.2 F
m
SLVSAE1A
– OCTOBER 2010 – REVISED FEBRUARY 2011
PMU for Embedded Camera Module
Check for Samples: TPS65708
1
FEATURES
DESCRIPTION
Two 400mA Step-Down Converters
Up to 95% Efficiency
TPS65708 is a power management unit targeted for
embedded
camera
modules
or
other
portable
VIN Range for DCDC Converters From
low-power consumer end equipment. It contains two
3.6V to 6V
high-efficiency step-down converters, two low-dropout
2.25MHz Fixed Frequency Operation
linear regulators, and a 7.5mA current sink for driving
Power Save Mode at Light Load Current
a LED. The 2.25MHz step-down converter enters a
low-power mode at light load for maximum efficiency
Output Voltage Accuracy in PWM mode
±1.5%
across the widest possible range of load currents. For
100% Duty Cycle for Lowest Dropout
low-noise applications, the devices can be forced into
180
° Out of Phase Operation
fixed frequency PWM mode using the MODE pin. The
device allows the use of small inductors and
2 General Purpose 200mA LDOs
capacitors
to
achieve
a
small
solution
size.
LDOs Optionally Powered From Step-Down
TPS65708 provides an output current of up to 400mA
Converters
on both DCDC converters and up to 200mA on each
7.5mA PWM Dimmable Current Sink
of the LDOs. The enable signal to the dcdc
converters and LDOs is generated internally by the
Available in a 16-Ball WCSP with 0.5mm Pitch
undervoltage lockout circuit.
APPLICATIONS
The TPS65708 comes in a small 16-ball wafer
chip-scale package (WCSP) with 0.5mm ball pitch.
Monitors
Laptops
Handheld Equipment
APPLICATION CIRCUIT
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
2010–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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