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LM2727MTCX/NOPB |LM2727MTCXNOPBNSN/a1824avaiN-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125
LM2727MTCX/NOPB |LM2727MTCXNOPBNSC-NATIONALN/a2500avaiN-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125


LM2727MTCX/NOPB ,N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125Connection Diagram114BOOT HG2 13LG PGND3 12PGND SD4 11SGND FREQ5 10VccFB6 9PWGD SS7 8ISEN EAOFigure ..
LM2727MTCX/NOPB ,N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125features. The(LM2737)LM2737 and LM2737 operate from a low-current 5Vbias and can convert from a 2.2 ..
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LM2727MTCX/NOPB
N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125
BOOT
ISEN
PGND
VCC
SGND
EAO
PGND
+5V VIN = 3.3V
VO = 1.2V@5A
1.5 PH
CC2 RC1
CIN CBOOT
10PF
6.3V
10k
392k
2.2p
180p
0.1P CIN1,2
CC1
RFB1
Si4884DY
Si4884DY
Voltages
Checkfor Samples: LM2727, LM2737
1FEATURES DESCRIPTION

The LM2727 and LM2737 Input Power from 2.2Vto 16V synchronous, switching regulator• Output Voltage Adjustable Downto 0.6V are intendedto control currents Power Good flag, Adjustable Soft-Start and up to 95% conversion efficiencies.
Output Enable for Easy Power Sequencing
employs output over-voltage and
off. For applications where latch-off the• Output Over-Voltage and Under-Voltage Latch- LM2737 can be used. PowerOff (LM2727) sequencingis achieved with• Output Over-Voltage and Under-Voltage Flag adjustable soft-start and output(LM2737) LM2737 and LM2737 operate 5V
bias and can convert froma 2.2Vto 16V power rail.• Reference Accuracy: 1.5% (0°C- 125°C)
Both parts utilizea fixed-frequency, voltage-mode,• Current Limit Without Sense Resistor PWM control architecture and the switching• Soft Start frequency is adjustable from 50kHz to 2MHz by Switching Frequency from50 kHzto2 MHz adjusting the valueof an external resistor. Current
limit is achieved by monitoring the voltage drop• TSSOP-14 Package across the on-resistanceof the low-side MOSFET,
which enhances low duty-cycle operation. The wideAPPLICATIONS range of operating frequencies gives the power Cable Modems supply designer the flexibilityto fine-tune component
size, cost, noise and efficiency. The adaptive, non-• Set-Top Boxes/ Home Gateways overlapping MOSFET gate-drivers and high-side• DDR Core Power bootstrap structure helps to further maximize High-Efficiency Distributed Power efficiency. The high-side power FET drain voltage can from 2.2V to 16V and the output voltageis• Local Regulationof Core Power adjustable downto 0.6V.
Typical Application
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