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: 6/40页
文件大小: 1225K
代理商: TPS5103IDBG4
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 19
VTLH
VTHL
3.85
3.80
3.75
3.70
–40
–20
25
UVOL
Threshold
V
oltage
V
3.90
3.95
UVLO THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
4
85
125
V
THL,
V
TLH
TJ – Junction Temperature – °C
Figure 20
50
30
20
0
–40
–20
25
UVLO
Hysteresis
V
oltage
mV
60
70
UVLO HYSTERESIS VOLTAGE
vs
JUNCTION TEMPERATURE
80
85
125
40
10
V
hys
TJ – Junction Temperature – °C
Figure 21
TJ – Junction Temperature – °C
4.60
4.50
4.40
4.35
–45
–25
25
5
VSW
Threshold
V
oltage
V
4.70
4.75
5 VSW THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
4.80
95
135
4.65
4.55
4.45
VTLH
VTHL
V
THL,
V
TLH
Figure 22
140
80
40
0
–45
–25
25
5
VSW
Hysteresis
V
oltage
mV
160
180
5 VSW HYSTERESIS VOLTAGE
vs
JUNCTION TEMPERATURE
200
95
135
120
100
60
20
V
hys
TJ – Junction Temperature – °C
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