参数资料
型号: TPS62238DRY
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
封装: 1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6
文件页数: 29/32页
文件大小: 1073K
代理商: TPS62238DRY
VIN
GND
FB
MODE
EN
SW
L =1/2.2 H
m
TPS6223X
V
=2.05Vto6V
IN
C
2.2 F
IN
m
VOUT
C
4.7 F
OUT
m
C :MurataGRM155R60J225ME15D2.2 F0402size
IN
m
C
:MurataGRM188R60J475ME4.7 F0603size,VOUT >=1.8V
C
: Taiyo Yuden AMK105BJ475MV4.7 F0402size,VOUT =1.2V
l:MurataLQM2HPN1R0MJ01 H,LQM2HPN2R2MJ02.2 H,
size2.5x2.0x1.2mm
OUT
m
3
TPS62231, TPS62230, TPS62232, TPS62233, TPS62234, TPS62235
TPS62236, TPS62237, TPS62238, TPS62239, TPS622310, TPS622311
TPS622312, TPS622313, TPS622314, TPS622315, TPS622316, TPS622317
SLVS941D – APRIL 2009 – REVISED AUGUST 2010
www.ti.com
PARAMETER MEASUREMENT INFORMATION
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
h
Efficiency
vs Load current
1, 2, 3, 4, 5, 6, 7
h
Efficiency
vs Output Current
8, 9, 10, 11
12, 13, 14, 15,
VO
Output voltage
vs Output current
16, 17
18, 19, 20, 21,
Switching frequency
vs Output current
22, 23, 24, 25,
26, 27
IQ
Quiescent current
vs Ambient temperature
28
ISD
Shutdown current
vs Ambient temperature
29
PMOS Static drain-source on-state resistance
vs Supply voltage and ambient temperature
30
rDS(ON)
NMOS Static drain-source on-state resistance
vs Supply voltage and ambient temperature
31
PSRR
Power supply rejection ratio
vs Frequency
32
Typical operation
33, 34, 35
PFM
36
Line transient response
PWM
37
Mode transition PFM / forced PWM
38
AC - load regulation performance
39, 40, 41
Load transient response
42, 43, 44, 45
Start-up
46, 47
Spurious Output Noise, 12R Load
48
Spurious Output Noise, 100R Load
49
6
Copyright 2009–2010, Texas Instruments Incorporated
相关PDF资料
PDF描述
TPS622315DRYT 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
TPS62236DRYR 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
TPS622310DRYT 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
TPS622313DRYR 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
TPS62235DRY 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
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