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PMC1302

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產品描述

36V, 2A Synchronous Step-Down Regulator with 30μA Quiescent Current

產品特點

Wide Input Voltage Range: 3.0V to 36V
410KHz Switching Frequency
2A Output Current Capability
Low Operating Quiescent Current: 30μA (Typ.) from 12VIN to 3.3VOUT
1.5% 1V Reference Over -40°C~125°C
Peak Eff. >93% (Typ.) From 12VIN to 5VOUT
Minimum On Time: 40ns (Typ.)
Internal Compensation
Precision Enable
Cycle by Cycle Current Limit and Hiccup When Overload or Short Circuit
Thermal Shutdown and Auto Recovery
TSOT23-8

產品介紹

產品規格

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產品介紹

The PMC1302A is a high efficiency synchronous monolithic step-down switching regulator with integrated internal high-side and low-side MOSFETs. It provides up to 1.5A output current with peak current mode control for fast loop response. The PMC1302A operates over a wide input voltage range from 3.0V to 36V with only 30μA low quiescent current.


Standard features include thermal shutdown, UVLO, enable (EN) control and power good (PG) indicator. During the overload or output short circuit, the cycle by cycle current limit and hiccup protection are provided. Thermal shutdown provides reliable and fault-tolerant operation.

產品規格

Recommended Operating Conditions

拖曳表格以查看完整資訊。

Parameter
Specification
VIN
3.0V to 36V
SW
0V to 36V
FB
0V to 5V
EN
0V to 36V
PG
0V to 5V
VOUT
0V to 24V
TJ
-40°C to 125°C

Key Electrical Characteristics

拖曳表格以查看完整資訊。

Parameter
Condition
Specification
Feedback voltage
1.0V (Typ.)
Switching Frequency
410KHz (Typ.)
High Side MOSFET Current Limit (
3.5A (Typ.)
Low Side MOSFET Current Limit
>2A
Internal Power Supply
4V<VIN, Iload=0mA
3.5V (Typ.)
Internal Soft-Start Time
2ms~9ms
Thermal Shutdown
165°C (Typ.)

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PMC1302_Datasheet

PDF

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