lm8801tmx National Semiconductor Corporation, lm8801tmx Datasheet - Page 3

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lm8801tmx

Manufacturer Part Number
lm8801tmx
Description
High Precision 6mhz, 600 Ma Synchronous Step-down Dc-dc Converter For Mobile Applications
Manufacturer
National Semiconductor Corporation
Datasheet
V
V
I
I
I
R
R
I
V
V
I
F
UVLO
SHDN
Q_PFM
Q_PWM
LIM
EN,MODE
OSC
FB
OUT
IH
IL
DSON (P)
DSON (N)
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
apply over the operating ambient temperature range (−30°C
the LM8801 open loop Typical Application Circuit with V
V
EN, MODE pin to GND
FB, SW pin
Junction Temperature (T
Storage Temperature Range
Continuous Power Dissipation
(Note 3)
Maximum Lead Temperature
ESD Rating (Note 4)
Symbol
IN
Human Body Model
Machine Model
Pin to GND
(Soldering, 10 sec.)
Feedback Voltage Tolerance
Line Reg. (closed loop)
Load Reg. (closed loop)
Shutdown Supply Current
Quiescent Current in PFM Mode
Quiescent Current in PWM Mode No load, device is not switching
Pin-Pin Resistance for PFET
Pin-Pin Resistance for Sync NFET V
PFET Peak Current Limit
Logic High Input, all control pins
Logic Low Input
Pin Input Current
Internal Oscillator Frequency
Under-Voltage Lock Out
Parameter
J-MAX
)
(V
IN
+ 0.2V) w/ 6.0V max
−65°C to +150°C
Internally Limited
(Notes 2, 7, 8)
(GND−0.2V) to
−0.2V to 6.0V
−0.2V to 6.0V
(Note 1)
PWM
2.3V
I
2.3V
I
0.1 mA
V
EN = 0V, SW = GND
No load, device is not switching
V
PWM Mode
OUT
OUT
IN
IN
IN
= 3.6V (Auto)
= V
= V
+150°C
= 10 mA (PFM)
= 200 mA (PWM)
260°C
200V
2 kV
GS
GS
V
V
IN
IN
IN
I
= EN = 3.6V.
= 3.6V
= 3.6V
OUT
Limits in standard typeface are for T
5.5V;
5.5V;
T
3
Condition
A
600 mA;
= T
Operating Ratings
Thermal Properties
Input Voltage Range
Recommended Load
Current
Junction Temperature (T
Range
Ambient Temperature (T
Range (Note 5)
Junction-to-Ambient Thermal
Resistance (θ
(Micro SMD) (Note 6)
J
+85°C). Unless otherwise noted, specifications apply to
JA
)
A
Min
-1.5
900
J
1.2
5.6
)
)
A
= 25°C. Limits in boldface type
(Notes 1, 2)
0.0019
0.048
1100
0.08
0.57
0.01
Typ
220
180
0.2
6.0
2.0
27
−30°C to +125°C
0 mA to 600 mA
−30°C to +85°C
1300
Max
+1.5
1.0
0.7
0.4
6.4
35
1
2.3V to 5.5V
www.national.com
85°C/W
%/mA
Units
MHz
%/V
mΩ
mΩ
mA
mA
µA
µA
µA
%
V
V
V

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