參數(shù)資料
型號(hào)： LM3208
廠商： National Semiconductor Corporation
元件分類： DC/DC變換器
英文描述： 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
中文描述： 六百五十零毫安微型，可調(diào)，降壓型DC - DC轉(zhuǎn)換器的射頻功率放大器
文件頁數(shù)： 3/17頁
文件大?。?/td> 1651K
代理商： LM3208
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
DD
, PV
IN
to SGND
PGND to SGND
EN, FB, V
CON
0.2V to +6.0V
0.2V to +0.2V
(SGND 0.2V)
to (V
DD
+0.2V)
w/6.0V max
(PGND 0.2V)
to (PV
IN
+0.2V)
w/6.0V max
0.2V to +0.2V
SW
PV
IN
to V
DD
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Maximum Lead Temperature
(Soldering, 10 sec)
Internally Limited
+150C
65C to +150C
+260C
ESD Rating (Notes 4, 13)
Human Body Model:
Machine Model:
2kV
200V
Operating Ratings
(Notes 1, 2)
Input Voltage Range
Recommended Load Current
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 5)
2.7V to 5.5V
0mA to 650mA
30C to +125C
30C to +85C
Thermal Properties
Junction-to-Ambient Thermal
Resistance (
θ
JA
), TLA08 Package
(Note 6)
100C/W
Electrical Characteristics
(Notes 2, 7, 8)
face
type apply over the full operating ambient temperature range (30C
≤
T
A
= T
J
≤
+85C). Unless otherwise noted, all
specifications apply to the LM3208 with: PV
IN
= V
DD
= EN = 3.6V.
Limits in standard typeface are for T
A
= T
J
= 25C. Limits in
bold-
Symbol
V
FB, MIN
Parameter
Conditions
Min
Typ
Max
Units
Feedback Voltage at minimum
setting
V
FB, MAX
Feedback Voltage at maximum
setting
I
SHDN
Shutdown supply current
V
CON
= 0.32V(Note 8)
0.75
0.80
0.85
V
V
CON
= 1.44V, V
IN
= 4.2V(Note 8)
3.537
3.600
3.683
V
EN = SW = V
CON
= 0V,
(Note 9)
V
CON
= 0V, FB = 0V,
No Switching (Note 10)
I
SW
= 200mA, V
CON
= 0.5V
0.01
2
μA
I
Q
DC bias current into V
DD
0.6
0.7
mA
R
DSON(P)
Pin-pin resistance for Large
PFET
R
DSON(P)
Pin-pin resistance for Small
PFET
R
DSON(N)
Pin-pin resistance for NFET
140
180
210
m
I
SW
= 200mA, V
CON
= 0.32V
960
m
I
SW
= -200mA, V
CON
= 0.5V
300
375
450
m
I
LIM
(L_PFET)
I
LIM
(S_PFET)
F
OSC
V
IH,EN
V
IL,EN
I
PIN,EN
V
CON,ON
V
CON
Threshold for turning on
switches
I
CON
V
CON
pin leakage current
Gain
V
CON
to V
OUT
Gain
Large PFET (L) Switch peak
current limit
Small PFET (S) Switch peak
current limit
Internal oscillator frequency
Logic high input threshold
Logic low input threshold
EN pin pull down current
V
CON
= 0.5V (Note 11)
985
1100
1200
mA
V
CON
= 0.32V (Note 11)
650
800
900
mA
1.8
1.2
2.0
2.2
MHz
V
V
μA
0.5
10
5
0.15
V
V
CON
= 1.0V
0.32V
≤
V
CON
≤
1.44V
±
1
μA
V/V
2.5
L
www.national.com
3
相關(guān)PDF資料
PDF描述
LM3208TL 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
LM3208TLX 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
LM3224 615kHz/1.25MHz Step-up PWM DC/DC Converter
LM3224MM-ADJ 615kHz/1.25MHz Step-up PWM DC/DC Converter
LM3224MMX-ADJ 615kHz/1.25MHz Step-up PWM DC/DC Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3208TL 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 2.7V to 5.5V 8-Pin uSMD T/R 制造商:Texas Instruments 功能描述:IC, BUCK, 650MA, RF PWR AMP, 8USMD
LM3208TL/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
LM3208TLEV 功能描述:電源管理IC開發(fā)工具 LM3208 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3208TLX 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 2.7V to 5.5V 8-Pin uSMD T/R
LM3208TLX/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*