參數(shù)資料
型號(hào)： LM3203TL
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)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(shù)： 3/15頁
文件大?。?/td> 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
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3
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