参数资料
型号: TPS5103IDBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, SSOP-20
文件页数: 5/40页
文件大小: 1225K
代理商: TPS5103IDBG4
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 15
VCC = 4.5 V,
VCC = 7 V
VCC = 25 V
VCC = 7 V
VCC = 4.5 V
1.5
1
0.5
0
–45
–25
25
Standby
Switch
Threshold
V
oltage
V
2
STANDBY SWITCH THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
2.5
95
135
V
IH,
V
IL
TJ – Junction Temperature – °C
Figure 16
TJ = 125°C
TJ = –40°C
TJ = 25°C
4.7
4.6
4.4
4.2
010
VREF5
Output
V
oltage
V
4.9
5.1
VREF5 OUTPUT VOLTAGE
vs
SUPPLY VOLTAGE
5.2
20
5
4.8
4.5
4.3
V
O
VCC – Supply Voltage – V
Figure 17
IO – Output Current – mA
TJ = 125°C
TJ = 25°C
TJ = –40°C
3
2
1
0
–10
–20
–30
–40
VREF5
Output
V
oltage
V
4
5
VREF5 OUTPUT VOLTAGE
vs
OUTPUT CURRENT
6
–50
–60
–70
V
O
Figure 18
VCC = 25 V
VCC = 7 V
VCC = 4.5 V
–40
–20
0
–40
–20
25
VREF5
Short
Current
mA
–60
–80
VREF5 SHORT CURRENT
vs
JUNCTION TEMPERATURE
–100
85
125
I OS
TJ – Junction Temperature – °C
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