參數(shù)資料
型號(hào)： LM3207TL
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers with Integrated Vref LDO
中文描述： 1.2 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, BGA9
封裝： MICRO SMD, 9 PIN
文件頁(yè)數(shù)： 3/19頁(yè)
文件大小： 1335K
代理商： LM3207TL
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.
PV
IN
to SGND
PGND to SGND
EN, FB, V
CON
, EN
LDO
, LDO
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
Continuous Power Dissipation
(Note 3)
Junction Temperature (T
J-MAX
)
Storage Temperature Range
Internally Limited
+150C
65C to +150C
Maximum Lead Temperature
(Soldering, 10 sec)
+260C
Operating Ratings
(Notes 1, 2)
Input Voltage Range
Recommended Load Current
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 4)
2.7V to 5.5V
0mA to 650mA
30C to +125C
30C to +85C
Thermal Properties
Junction-to-Ambient Thermal
Resistance (
θ
JA
), TLA09 Package
(Note 5)
100C/W
Electrical Characteristics
(Notes 2, 6, 7)
face
type apply over the full operating ambient temperature range (30C
≤
T
A
= T
J
≤
+85C). Unless otherwise noted, all
specifications apply to LM3207 with: PV
IN
= V
IN
= EN
LDO
= EN = 3.6V.
Limits in standard typeface are for T
A
= T
J
= 25C. Limits in
bold-
Symbol
LDO
V
LDO
V
LDO,MIN
I
SC
I
PUT
Parameter
Conditions
Min
Typ
Max
Units
LDO Output Voltage
Minimum LDO Output Voltage Iout = 10mA, PV
IN
= 3V
Short circuit current(DC)
Pull-up current (transient)
Iout = 0 mA
2.875
2.95
V
V
2.80
V
LDO
= 0
V
LDO
= V
LDO(nom)
/2, PV
IN
= 3V
(Note 12)
V
LDO
= PV
IN
, EN
LDO
= 0
V
LDO
= V
LDO(nom)
/2, PV
IN
= 3V
(Note 12)
V
CON
= 2V, FB = 0V, No Switching,
EN
LDO
= EN = 3.6V (Note 9)
50
mA
150
mA
I
PD
I
PDT
DC Pull-down current (DC)
Pull-down current (transient)
-50
mA
-200
mA
I
Q_LDO + PWM
DC Bias current into PV
IN
1.2
1.6
mA
I
PIN,EN
LDO
Switcher
V
FB, MIN
LDO Pin pull down current
5
10
uA
Feedback Voltage at
minimum setting
Feedback Voltage at
maximum setting
Shutdown supply current
V
CON
= 0.32V
0.75
0.8
0.85
V
V
FB, MAX
V
CON
= 1.44V, PV
IN
= 4.2V
3.537
3.6
3.683
V
I
SHDN
EN = EN
LDO
= SW = V
CON
= 0V,
(Note 8)
V
CON
= 2V, FB = 0V, EN
LDO
= 0V ,
EN = 3.6V, No Switching (Note 9)
I
SW
= 200mA
0.01
2
μA
I
Q_PWM
DC bias current into PV
IN
1.1
1.6
mA
R
DSON(P)
Pin-pin resistance for PFET
140
200
230
415
485
1200
2.3
m
R
DSON(N)
Pin-pin resistance for NFET
I
SW
= - 200mA
300
m
I
LIM,PFET
F
OSC
V
IH,EN
Switch peak current limit
Internal oscillator frequency
Logic high input threshold
(PWM, LDO)
Logic low input threshold
(PWM, LDO)
(Note 10)
935
1.7
1100
2
mA
MHz
1.2
V
V
IL,EN
0.5
V
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3207TL/NOPB 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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
LM3207TL-2.53 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers with Integrated Vref LDO
LM3207TL-2.53/NOPB 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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
LM3207TL-2.53EV 功能描述:電源管理IC開(kāi)發(fā)工具 LM3207TL-2.53 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3207TLEV 功能描述:電源管理IC開(kāi)發(fā)工具 LM3207TL EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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