參數(shù)資料
型號(hào): TPS62220DDC
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.88 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
封裝: PLASTIC, TSOT-23, 5 PIN
文件頁數(shù): 21/24頁
文件大?。?/td> 664K
代理商: TPS62220DDC
TYPICAL CHARACTERISTICS
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
VO = 3.3 V,
L = 4.7
H,
CO = 10 F
VI = 3.7 V
VI = 5 V
Efficency
-
%
IL - Load Current - mA
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
VO = 1.8 V,
L = 4.7
H,
CO = 22 F
VI = 2.7 V
VI = 5 V
Efficency
-
%
IL - Load Current - mA
VI = 3.7 V
SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009....................................................................................................................................... www.ti.com
Table of Graphs
FIGURE
vs Load current
η
Efficiency
vs Input voltage
IQ
No load quiescent current
vs Input voltage
fs
Switching frequency
vs Temperature
Vo
Output voltage
vs Output current
rds(on) - P-channel switch,
vs Input voltage
rds(on)
rds(on) - N-Channel rectifier switch
vs Input voltage
Load transient response
PWM mode operation
Power-save mode operation
Start-up
EFFICIENCY
vs
LOAD CURRENT
Figure 1.
Figure 2.
6
Copyright 2003–2009, Texas Instruments Incorporated
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