參數(shù)資料
型號: TPS56221DQPT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO22
封裝: ROHS COMPLIANT, PLASTIC, SON-22
文件頁數(shù): 23/25頁
文件大?。?/td> 655K
代理商: TPS56221DQPT
594
595
596
597
598
599
600
601
602
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
FB
Pin
Reference
Voltage
(mV)
300
301
302
303
304
305
306
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
Switching
Frequency
(kHz)
VVDD = 4.5 V
VVDD = 12 V
fSW = 300 kHz
488
490
492
494
496
498
500
502
504
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
Switching
Frequency
(kHz)
VVDD = 4.5 V
VVDD = 12 V
fSW = 500 kHz
850
875
900
925
950
975
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
Switching
Frequency
(kHz)
VVDD = 4.5 V
VVDD = 12 V
fSW = 1 MHz
600
625
650
675
700
725
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
EN
Pin
HighLevel
Threshold
Voltage
(mV)
290.0
290.5
291.0
291.5
292.0
292.5
40 25 10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
EN
Pin
LowLevel
Threshold
Voltage
(mV)
SLUSAH5
– MARCH 2011
TYPICAL CHARACTERISTICS
Figure 1. Reference Voltage vs. Junction Temperature
Figure 2. Switching Frequency vs. Junction Temperature
(300 kHz)
Figure 3. Switching Frequency vs. Junction Temperature
Figure 4. Switching Frequency vs. Junction Temperature
(500 kHz)
(1 MHz)
Figure 5. EN Pin High-Level Threshold Voltage vs.
Figure 6. EN Pin Low-Level Threshold Voltage vs.
Junction Temperature
Copyright
2011, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS56221
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