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參數資料
| 型號： | LM3203TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Step-Down DC-DC Converter with Bypass Mode for CDMA / WCDMA RF Power Amplifiers |
| 中文描述： | SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, BGA10 |
| 封裝： | LEAD FREE, THIN MICRO BUMP, 10 PIN |
| 文件頁數： | 3/15頁 |
| 文件大小： | 1360K |
| 代理商： | LM3203TL |
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, BYP, 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, BYPOUT
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 (Note 4)
Human Body Model
2.0 kV
Operating Ratings
(Notes 1, 2)
Input Voltage Range
Recommended Load Current
PWM Mode
Bypass Mode
Junction Temperature (T
J
) Range
Ambient Temperature (T
A
) Range
(Note 5)
2.7V to 5.5V
0mA to 500mA
0mA to 500mA
30C to +125C
30C to +85C
Thermal Properties
Junction-to-Ambient Thermal
Resistance (
θ
JA
), TLP10 Package (Note 6)
100C/W
Electrical Characteristics
(Notes 2, 7)
face
type apply over the full operating ambient temperature range (30C
≤
T
A
= T
≤
+85C). Unless otherwise noted, speci-
fications apply to the LM3203 with: PV
IN
= V
DD
= EN = 3.6V, BYP = 0V, V
CON
= 0.267V.
Limits in standard typeface are for T
A
= T
J
= 25C. Limits in
bold-
Symbol
V
IN
Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range
(Note 8)
Feedback Voltage at
Minimum Setting
Feedback Voltage at
Maximum Setting
Over-Voltage
Protection Threshold
Shutdown Supply
Current (Note 10)
DC Bias Current into
V
DD
PV
IN
= V
DD
= V
IN
2.7
5.5
V
V
FB, MIN
V
CON
= 0.267V, V
IN
= 3.6V
0.250
0.267
0.284
V
V
FB, MAX
V
CON
= 1.20V, V
IN
= 4.2V
1.176
1.200
1.224
V
OVP
(Note 9)
100
150
mV
I
SHDN
EN = SW = BYPOUT = V
CON
= FB = 0V
0.1
3
μA
I
Q_PWM
V
CON
= 0.267V, FB = 2V, BYPOUT = 0V, No
Switching
BYP = 3.6V, V
CON
= 0.5V, No Load
I
SW
= 500mA
675
780
μA
I
Q_BYP
R
DSON (P)
680
780
μA
Pin-Pin Resistance for
P-FET
Pin-Pin Resistance for
N-FET
Pin-Pin Resistance for
Bypass FET
Switch Current Limit
Bypass FET Current
Limit
Internal Oscillator
Frequency
Logic High Input
Threshold for EN, BYP
Logic Low Input
Threshold for EN, BYP
Pin Pull Down Current
for EN, BYP
320
450
m
R
DSON (N)
I
SW
= 200mA
310
450
m
R
DSON
(BYP)
I
LIM-PFET
I
LIM-BYP
I
BYPOUT
= 500mA
85
120
m
(Note 11)
(Note 12)
700
820
940
mA
800
1000
1200
mA
F
OSC
1.7
2
2.2
MHz
V
IH
1.20
V
V
IL
0.4
V
I
PIN
EN, BYP = 3.6V
5
10
μA
L
www.national.com
3
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| LM3203TL/NOPB | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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| LM3203TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Down DC-DC Converter with Bypass Mode for CDMA / WCDMA RF Power Amplifiers |
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