參數(shù)資料
型號: TPS65820RSHTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝: 7 X 7 MM, GREEN, PLASTIC, QFN-56
文件頁數(shù): 17/98頁
文件大小: 2290K
代理商: TPS65820RSHTG4
TYPICAL CHARACTERISTICS – SM1 AND SM2 BUCK CONVERTERS
0
10
20
30
40
50
60
70
80
90
100
0
0.1
0.2
0.3
0.4
0.5
0.6
I -OutputCurrent- A
O
Efficiency-%
VIN_SM1=4V,
V (SM1)=1.24V,
L =3.3 H,
C (SM1)=10 F
O
m
76
78
80
82
84
86
88
90
92
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
I -OutputCurrent- A
O
Efficiency-%
VIN_SM2=4.6V,
VO(SM2)=1.8V,
L =3.3 H.
C (SM2)=10 F
O
m
AC=5V,
VIN_SM2=4.6V,
V (SM2=1.8V
O
I (SM2)
L =3.3mF,
C (SM2)=10 F
O
m
AC=5V,
VIN_SM2=4.6V,
V (SM2=1.8V
O
I (SM2)
L =3.3mF,
C (SM2)=10 F
O
m
SLVS663B – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com
Measured with Application Circuit shown in Figure 3, unless otherwise noted
PWM MODE
EFFICIENCY IN AUTOMATIC
EFFICIENCY
PWM/PFM MODE
vsOUTPUT CURRENT
Figure 14.
Figure 15.
PFM OPERATION
PFM LOW RIPPLE OPERATION
Figure 16.
Figure 17.
24
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65820
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