参数资料
型号: TPS5102IDBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30
封装: GREEN, PLASTIC, TSSOP-30
文件页数: 3/34页
文件大小: 1182K
代理商: TPS5102IDBT
TPS5102
DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
SLVS239 - SEPTEMBER 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 5
TJ = 25°C
TJ = -40°C
TJ = 125°C
4.7
4.6
4.4
4.2
010
Source
Current
5
5.1
CURRENT PROTECTION SOURCE CURRENT
(SKIP MODE)
vs
INPUT VOLTAGE
5.2
20
30
4.9
4.8
4.5
4.3
VCC - Supply Voltage - V
I (protec)
A
Figure 6
13.4
13
12.8
12.6
4.5
7
10
15
13.6
13.8
14
20
25
13.2
VCC - Supply Voltage - V
Source
Current
I (trip)
A
CURRENT PROTECTION SOURCE CURRENT
(PWM MODE)
vs
INPUT VOLTAGE
TJ = 25°C
TJ = -40°C
TJ = 125°C
Figure 7
TJ = 25°C
TJ = -40°C
TJ = 125°C
0.5
0.3
0.2
0
010
Threshold
V
oltage
V
0.8
0.9
PWM/SKIP THRESHOLD VOLTAGE
vs
INPUT VOLTAGE
1
20
30
0.7
0.6
0.4
0.1
VI - Supply Voltage - V
V
T
Figure 8
TJ = 25°C
TJ = -40°C
TJ = 125°C
4.8
4.7
4.6
4.5
0
–10
–20
–30
V
oltage
V
4.9
5
Vref5 VOLTAGE
vs
CURRENT
5.1
–40
–50
Ir - Current - mA
V
ref5
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