Datasheet > UCC14131-Q1

UCC14131-Q1

更新时间： 2023-09-03 20:38:00

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德州仪器 - TI		/
页数	文件大小	规格书
43页	3329K
描述
汽车类、1.5W、12V 至 15V 输入电压、12V 至 15V 输出电压、高密度、> 5kVRMS 隔离式直流/直流模块

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UCC14131-Q1 数据手册

UCC14131-Q1

ZHCSRY3 –APRIL 2023

www.ti.com.cn

6 Pin Configuration and Functions

GNDP

VEE

VEEA

FBVDD

FBVEE

RLIM

VEE

ENA

GNDP

VIN

VEE

GNDP

VDD

VEE

图6-1. DWN Package, 36-Pin SSOP (Top View)

表6-1. Pin Functions

TYPE ⁽¹⁾

DESCRIPTION

NAME

GNDP

NO.

1, 2, 5, 8, 9, 10,

11, 12, 13, 14,

15, 16, 17, 18

Primary-side ground connection for VIN. PIN 1,2, and 5 are analog ground. PIN 8, 9, 10, 11, 12,

13, 14, 15, 16, 17, and 18 are power ground. Place several vias to copper pours for thermal relief.

See Layout Guidelines.

Active low power-good open-drain output pin. PG remains low when (V_{VIN_UVLOP}≤V_VIN

≤

V_{VIN_OVLO}); (V_{VDD_UVP}≤V_FBVDD≤V_{VDD_OVP}); (V_{VEE_UVP}≤V_FBVEE≤V_{VEE_OVP}); T_{J_Primary}

TSHUTP_{PRIMARY_RISE}; and T_{J_secondary}≤TSHUT_{SECONDARY_RISE}

≤

Enable pin. Forcing ENA LOW disables the device. Pull HIGH to enable normal device

functionality. 5.5-V recommended maximum.

ENA

VIN

Primary input voltage. PIN 6 is for analog input, and PIN 7 is for power input. For PIN 7, connect

two 10-µF ceramic capacitor from power VIN PIN 7 to power GNDP PIN 8. Connect a 0.1-µF high-

frequency bypass ceramic capacitor close to PIN 7 and PIN 8.

6, 7

19, 20, 21, 22,

23, 24, 25,26,

27, 30,31, 36

Secondary-side reference connection for VDD and COM. The VEE pins are used for the high

current return paths.

VEE

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English Data Sheet: SLUSF12

1 2 345 6 7...43

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