參數(shù)資料
型號(hào): TPS54377RHFRG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 7.5 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 5 MM, GREEN, PLASTIC, QFN-24
文件頁(yè)數(shù): 3/22頁(yè)
文件大?。?/td> 727K
代理商: TPS54377RHFRG4
www.ti.com
PERFORMANCE GRAPHS
60
20
40
50
10
30
0
20
10
40
30
50
60
10
100
1k
10k
100k
1M
180
120
60
0
60
120
180
f Frequency Hz
Gain
dB
Phase
Degrees
Phase
GAIN
80
0
0.5
1
1.5
2
2.5
Efficiency
%
85
100
3
3.5
90
95
75
I OutputCurrent
O
A
V =3V
I
V =6V
I
V =5V
I
V =4V
I
-0.2
0
0.5
1
1.5
2
2.5
OutputRegulation
%
-0.1
0.3
3
0.1
0
0.2
-0.3
I OutputCurrent
O
A
1ms/div
V =20mV/div
(ACCoupled)
O
I =1 A/div
0.75 A to2.25 A /step
O
V =1V/div
I
V
=1V/div
O
500ms/div
V =10mV/div
(ACCoupled)
O
PH=2V/div
500ns/div
SLVS779 – SEPTEMBER 2007
TA = 25°C, fs = 1.1 MHz, VI = 3.3 V, VO = 1.8 V (unless otherwise specified)
EFFICIENCY
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
LOOP RESPONSE
Figure 13.
Figure 14.
Figure 15.
OUTPUT RIPPLE VOLTAGE
LOAD TRANSIENT RESPONSE
SLOW-START TIMING
Figure 16.
Figure 17.
Figure 18.
Copyright 2007, Texas Instruments Incorporated
11
Product Folder Link(s): TPS54377
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