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參數(shù)資料
| 型號： | TPS65708YZHT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, PBGA16 |
| 封裝： | GREEN, DSBGA-16 |
| 文件頁數(shù)： | 21/22頁 |
| 文件大小： | 2189K |
| 代理商： | TPS65708YZHT |
0
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100
0.1
1
10
100
1k
I -OutputCurrent-mA
O
3.6V
4.2V
5V
Efficiency-%
0.1
1
10
100
1k
I -OutputCurrent-mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
4.2V
5V
3.6V
SLVSAE1A
– OCTOBER 2010 – REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
η
Efficiency DCDC (VO = 3.3V)
vs Load current / PFM mode;
η
Efficiency DCDC (VO = 3.3V)
vs Load current / PWM mode
η
Efficiency DCDC (VO = 1.2V)
vs Load current / PFM mode
η
Efficiency DCDC (VO = 1.2V)
vs Load current / PWM mode
Line transient response DCDC (PWM)
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Line transient response DCDC (PFM)
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Line transient response LDO
Scope plot for a 3.6V to 5V to 3.6V input voltage
change
Load transient response DCDC (PFM)
Scope plot for a 10% to 90% load step (40mA to
360mA)
Load transient response DCDC (PWM)
Scope plot for a 10% to 90% load step (40mA to
360mA)
Load transient response LDO
Scope plot for a 10% to 90% load step (20mA to
180mA)
Startup timing DCDC1, DCDC2, LDO1 and LDO2
Scope plot of startup; R1 = supply voltage is
applied
LDO POWER SUPPLY REJECTION RATIO (PSRR)
Scope plot
Figure 1. EFFICIENCY DCDC (VO = 3.3 V) vs LOAD
Figure 2. EFFICIENCY DCDC (VO = 3.3 V) vs LOAD
CURRENT / PFM MODE; for VIN = 3.6 V to 5 V
CURRENT / PWM MODE; for VIN = 3.6 V to 5 V
8
2010–2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS65708
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