參數(shù)資料
型號(hào): TPS5130PT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PQFP48
封裝: GREEN, PLASTIC, LQFP-48
文件頁數(shù): 7/31頁
文件大小: 526K
代理商: TPS5130PT
TPS5130
SLVS426 MAY 2002
www.ti.com
15
TYPICAL CHARACTERISTICS
Figure 7
2
1.5
1
0.5
0
024
68
10
VO Output Voltage V
SOURCE CURRENT (LDO_GATE)
vs
OUTPUT VOLTAGE
Source
Current
(LDO_GA
TE)
mA
V(INV_LDO) = 0 V
V(LDO_IN) = V(LDO_CUR) = 3.3 V
Figure 8
935
940
945
950
955
50
0
50
100
150
TJ Junction Temperature °C
Threshold
V
o
ltage
(OVP)
mV
THRESHOLD VOLTAGE (OVP)
vs
JUNCTION TEMPERATURE
Figure 9
10
100
1000
0
50
100
150
200
250
300
350
C Capacitance pF
Oscillator
Frequency
kHz
OSCILLATOR FREQUENCY
vs
CAPACITANCE
TJ = 25°C
Figure 10
70
75
80
85
90
95
100
50
0
50
100
150
TJ Junction Temperature °C
Output
Maximum
Duty
Cycle
%
OUTPUT MAXIMUM DUTY CYCLE
vs
JUNCTION TEMPERATURE
V(LH) = 5 V, C(CT) = 45 pF,
V(PWM_SEL) =V(FLT) =V(LL) =V(INV)
= 0 V
CH2
CH1/3
Figure 11
0.1
1
10
100
1000
10000
100000
10
100
1000
10000
VINV = 0.85 to 1.05 V,
TJ = 25°C
C Capacitance pF
Delay
Time
FL
T
(OVP)
DELAY TIME FLT(OVP)
vs
CAPACITANCE
t
d
s
Figure 12
0.1
1
10
100
1000
10000
100000
10
100
1000
10000
VINV = 0.65 to 0.05 V,
TJ = 25°C
C Capacitance pF
Delay
Time
FL
T
(UVP)
DELAY TIME FLT(UVP)
vs
CAPACITANCE
t
d
s
VVIN_SENSE = 12 V, unless otherwise noted
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