参数资料
型号: TPS53321RGTR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 1210 kHz SWITCHING FREQ-MAX, PQCC16
封装: 3 X 3 MM, GREEN, PLASTIC, QFN-16
文件页数: 23/23页
文件大小: 505K
代理商: TPS53321RGTR
0.01
0.1
1
10
100
1000
10000
Output Current (A)
Frequency
(kHz)
FCCM
HEF Mode
DE Mode
VIN = 3.3 V
0.01
0.1
1
10
100
1000
10000
Output Current (A)
Frequency
(kHz)
FCCM
HEF Mode
DE Mode
VIN = 5.0 V
HEF Mode
V
IN = 3.3 V
I
OUT = 0 A
EN (5 V/div)
V
OUT (1 V/div)
PGD (5 V/div)
t – Time – 200 ms/div
HEF Mode
V
IN = 3.3 V
I
OUT = 0 A
EN (5 V/div)
V
OUT (1 V/div)
PGD (5 V/div)
t – Time – 200 ms/div
0.5 V pre-biased
www.ti.com
SLUSAF3 – DECEMBER 2010
TYPICAL CHARACTERISTICS (continued)
Inductor PCMC065T-1R0 (1 H, 5.6 m
Ω) is used.
Figure 7. Frequency vs. Output Current at VIN = 3.3 V
Figure 8. Frequency vs. Output Current at VIN = 5.0 V
Figure 9. Normal Start Up Waveform
Figure 10. Pre-Bias Start Up Waveform
Copyright 2010, Texas Instruments Incorporated
9
Product Folder Link(s) :TPS53321
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