LM2852YMXA-2.5/NOPB National Semiconductor, LM2852YMXA-2.5/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM2852YMXA-2.5/NOPB
• Description: IC REG SYNC BUCK 2A 2.5V 14TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®, SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2852YMXA-2.5/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2.5V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• Voltage - Input: 2.85 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP Exposed Pad, 14-eTSSOP 14-HTSSOP
• For Use With: LM2852Y-2.5EVAL - BOARD EVAL LM2852Y-2.5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2852YMXA-2.5; *LM2852YMXA-2.5/NOPB; LM2852YMXA-2.5

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SYSTEM PARAMETERS
PWM
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Limits in standard type are for T
to +125˚C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values repre-
sent the most likely parametric norm at T
∆V
PVIN, AVIN, EN, SNS
ESD Susceptibility (Note 2)
Power Dissipation
Storage Temperature Range
Maximum Junction Temp.
14-Pin Exposed Pad TSSOP
Package
Soldering (10 sec)
∆V
Infrared (15 sec)
Vapor Phase (60 sec)
Symbol
OUT
r
r
DSON-P
DSON-N
V
R
OUT
V
R
f
I
I
OUT
I
SNS
osc
SD
CL
ON
SS
Q
/∆AVIN
/∆I
O
Voltage Tolerance
Peak Current Limit
Operating Current Non-switching
Quiescent Current
UVLO Threshold
Line Regulation
Load Regulation
Resistance
Resistance
Parameter
resistance
resistance
Threshold
Shutdown
Sense pin
NFET On
LM2852X
LM2852Y
PFET On
Soft-start
(AVIN)
J
= 25˚C only; limits in boldface type apply over the junction temperature (T
3
3
V
V
V
V
V
V
V
V
V
2.5V
2.85V ≤ AVIN ≤ 5.5V
V
3.5V ≤ AVIN ≤ 5.5V
Normal operation
Rising
Falling Hysteresis
Isw = 2A
Isw = 2A
LM2852X
LM2852Y
EN = 0V
1500kHz option.
500kHz option.
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
J
Internally Limited
−65˚C to +150˚C
= 25˚C, and are provided for reference purposes only.
AVIN = PVIN = 5V unless otherwise indicated under the Conditions column.
= 0.8V option
= 1.0V option
= 1.2V option
= 1.5V option
= 1.8V option
= 2.5V option
= 3.0V option
= 3.3V option
= 0.8V, 1.0V, 1.2V, 1.5V, 1.8V or
= 3.3V
−0.3V to 6.5V
(Note 1)
150˚C
220˚C
215˚C
260˚C
Conditions
2kV
4
Operating Ratings
PVIN to GND
AVIN to GND
Junction Temperature
θ
JA
0.9775
1.1730
1.4663
1.7595
2.4437
2.9325
3.2257
0.782
1050
2.75
2.25
Min
325
85
1500
2.47
0.85
Typ
150
400
400
500
0.2
0.2
75
55
10
8
4
3
1.0225
1.2270
1.5337
1.8405
2.5563
3.0675
3.3743
−40˚C to +125˚C
J
0.818
1825
) range of -40˚C
Max
2.85
4.95
3.65
210
140
120
625
0.6
0.6
25
2
2.85V to 5.5V
1.5V to 5.5V
38˚C/W
Units
mV/A
kHz
kHz
mΩ
mΩ
mV
mA
kΩ
kΩ
µA
%
%
V
V
A