Description:96% efficiency, 28 uA quiescent current, 0.3 uA shutdown current; 1.7 MHz switching frequency; Auto-switching between PWM and PFM mode at light load conditions; Adjustable output voltage from 0.9V to 3.9V; Best in class Low Ripple even in PFM mode
ALSO OPERATES IN ADJUSTABLE MODE FROM 0.9 TO 3.9V; IT CAN ALSO OPERATE WITH PFM MODE
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
2.7 V
Input Voltage-Nom:
3.6 V
JESD-30 Code:
R-PDSO-G5
JESD-609 Code:
e3
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
5
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
1 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Equivalence Code:
TSOP5/6,.11,37
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.1 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2200 kHz
Temperature Grade:
INDUSTRIAL
Terminal Finish:
MATTE TIN
Terminal Form:
GULL WING
Terminal Pitch:
0.95 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
1.5 mm
NCP1529ASNT1G Frequently Asked Questions (FAQs)
A good PCB layout for the NCP1529ASNT1G involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces to reduce EMI and noise.
To ensure the NCP1529ASNT1G operates within its SOA, monitor the input voltage, output current, and ambient temperature to prevent overheating. Also, ensure proper thermal design and heat sinking to keep the junction temperature below 150°C.
When selecting capacitors for the NCP1529ASNT1G, consider the voltage rating, capacitance value, ESR, and ripple current rating. Choose capacitors with low ESR and high ripple current rating to minimize losses and ensure stable operation.
To troubleshoot issues with the NCP1529ASNT1G, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly selected and connected. Check for thermal issues, such as overheating or poor heat sinking. Consult the datasheet and application notes for guidance.
Operating the NCP1529ASNT1G at high ambient temperatures can reduce its reliability and lifespan. Ensure proper thermal design and heat sinking to keep the junction temperature below 150°C. Derate the output current and voltage according to the datasheet guidelines for high-temperature operation.
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Manufacturer Collaborated
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NCP1529ASNT1G Overview
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