LM2852YMXA-2.5/NOPB National Semiconductor, LM2852YMXA-2.5/NOPB Datasheet - Page 12

• 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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Applications Information
OUTPUT FILTER CAPACITORS
The capacitors that may be used in the output filter with the
LM2852 are limited in value and ESR range according to
SPLIT-RAIL OPERATION
The LM2852 can be powered using two separate voltages
for AVIN and PVIN. AVIN is the supply for the control logic;
PVIN is the supply for the power FETs. The output filter
SWITCH NODE PROTECTION
The LM2852 includes protection circuitry that monitors the
voltage on the switch pin. Under certain conditions, switch-
ing is disabled in order to protect the switching devices. One
result of the protection circuitry may be observed when
Capacitance (µF)
100
100
100
100
120
120
150
150
150
150
220
220
220
10
10
68
68
GRM31MR61A106KE19
NOSC107M004R0150
NOSD107M006R0100
NOSC157M004R0150
NOSD157M006R0100
NOSD227M004R0100
NOSE227M006R0100
GRM32DR61E106K
595D107X_6R3C2T
595D686X_010C2T
595D686X_016D2T
595D107X_016D2T
595D127X_004C2T
595D127X_010D2T
595D157X_004C2T
595D157X_016D2T
595D227X_004D2T
Part Number
TABLE 3. LM2852 Output Filter Capacitors
(Continued)
12
Table 1. Below are some examples of capacitors that can
typically be used in an LM2852 application.
components need to be chosen based on the value of PVIN.
For PVIN levels lower than 3.3V, use output filter component
values recommended for 3.3V. PVIN must always be equal
to or less than AVIN.
power to the LM2852 is applied with no or light load on the
output. The output regulates to the rated voltage, but no
switching may be observed. As soon as the output is loaded,
the LM2852 begins normal switching operation.
Niobium Oxide
Niobium Oxide
Niobium Oxide
Niobium Oxide
Niobium Oxide
Niobium Oxide
Chemistry
Tantalum
Tantalum
Tantalum
Tantalum
Tantalum
Tantalum
Tantalum
Tantalum
Tantalum
Ceramic
Ceramic
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vishay - Sprague
Vendor
Murata
Murata
20127014
AVX
AVX
AVX
AVX
AVX
AVX