LM3203TLX National Semiconductor Corporation, LM3203TLX Datasheet - Page 3

• Manufacturer Part Number: LM3203TLX
• Description: Step-down Dc-dc Converter With Bypass Mode For Cdma / Wcdma Rf Power Amplifiers
• Manufacturer: National Semiconductor Corporation

V
V
V
OVP
I
I
I
R
R
R
(BYP)
I
I
F
V
V
I
SHDN
Q_PWM
Q_BYP
LIM-PFET
LIM-BYP
PIN
Symbol
OSC
IN
FB, MIN
FB, MAX
DSON (P)
DSON (N)
DSON
IH
IL
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
face type apply over the full operating ambient temperature range (−30˚C ≤ T
fications apply to the LM3203 with: PV
V
PGND to SGND
EN, FB, BYP, V
SW, BYPOUT
PV
Continuous Power Dissipation
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
DD
(Note 3)
(Soldering, 10 sec)
IN
, PV
to V
IN
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
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
DD
to SGND
DD
Parameter
CON
J-MAX
)
PV
V
V
(Note 9)
EN = SW = BYPOUT = V
V
Switching
BYP = 3.6V, V
I
I
I
(Note 11)
(Note 12)
EN, BYP = 3.6V
SW
SW
BYPOUT
CON
CON
CON
IN
IN
= 500mA
= − 200mA
= V
= 0.267V, V
= 1.20V, V
= 0.267V, FB = 2V, BYPOUT = 0V, No
= V
Internally Limited
−65˚C to +150˚C
(Notes 2, 7) Limits in standard typeface are for T
= 500mA
DD
to (PV
−0.2V to +6.0V
−0.2V to +0.2V
−0.2V to +0.2V
to (V
DD
(SGND −0.2V)
(PGND −0.2V)
(Notes 1, 2)
= V
w/6.0V max
w/6.0V max
= EN = 3.6V, BYP = 0V, V
CON
DD
IN
IN
IN
+150˚C
+260˚C
IN
+0.2V)
+0.2V)
Conditions
= 4.2V
= 0.5V, No Load
= 3.6V
CON
3
= FB = 0V
Operating Ratings
Thermal Properties
ESD Rating (Note 4)
Input Voltage Range
Recommended Load Current
Junction Temperature (T
Ambient Temperature (T
Junction-to-Ambient Thermal
Resistance (θ
Human Body Model
PWM Mode
Bypass Mode
(Note 5)
CON
A
= 0.267V.
= T
JA
J
), TLP10 Package (Note 6)
≤ +85˚C). Unless otherwise noted, speci-
0.250
1.176
1.20
Min
700
800
2.7
1.7
A
J
) Range
) Range
A
= T
0.267
1.200
1000
Typ
100
675
680
320
310
820
0.1
85
(Notes 1, 2)
2
5
J
= 25˚C. Limits in bold-
0.284
1.224
1200
Max
150
780
780
450
450
120
940
5.5
2.2
0.4
10
−30˚C to +125˚C
3
−30˚C to +85˚C
0mA to 500mA
0mA to 500mA
2.7V to 5.5V
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100˚C/W
Units
2.0 kV
MHz
mΩ
mΩ
mΩ
mV
mA
mA
µA
µA
µA
µA
V
V
V
V
V