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Data Sheet
TPS40170 4.5-V to 60-V, Wide-Input Synchronous PWM Buck
Controller
1 Features
- New, similar products
available:
- LM5145 75-V synchronous buck
controller with wide input voltage and duty cycle ranges
- LM5146 100-V synchronous buck
DC/DC controller with wide duty-cycle range
- Wide input voltage range from 4.5
V to 60 V
- Reference voltage of 600 mV with
1% accuracy
- Programmable UVLO and
hysteresis
- Voltage mode control with voltage
feed forward
- Programmable frequency between
100 kHz and 600 kHz
- Bi-directional -frequency
synchronization with primary and secondary option
- Low-side FET sensing overcurrent
protection and high-side FET sensing short-circuit protection with integrated
thermal compensation
- Programmable closed loop
soft-start
- Supports pre-biased outputs
- Thermal shutdown at 165°C with
hysteresis
- Voltage tracking
- Power good
- ENABLE with 1-µA low current
shutdown
- LDO output of 8.0 V and 3.3
V
- Integrated Bootstrap Diode
- 20-Pin 3.5 mm × 4.5 mm VQFN (RGY)
package
- Create a Custom Design
with WEBENCH® Tools
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