TPS5120-EP 增强型产品双路输出二相同步降压 Dc/Dc 控制器

The TPS5120 is a dual channel, high-efficiency synchronous buck controller where the outputs run 180 degrees out of phase, which lowers the input current ripple, thereby reducing the input capacitance cost. The PWM/SKIP pin allows the operating mode to switch from PWM mode to skip mode under light load conditions. The skip mode enables a lower operating frequency and shortens the pulse width to the low-side MOSFET, increasing the efficiency under light load conditions. These two modes, along with synchronous-rectifier drivers, dead time, and very low quiescent current, allow power to be conserved and the battery life to be extended under all load conditions. The 1.5 A (typical) high-side and low-side MOSFET drivers on-chip are designed to drive less expensive N-channel MOSFETs.

	TPS5120-EP
Switching Frequency (Max) (kHz)	500
Regulated Outputs (#)	2
Duty Cycle (Max) (%)	100
Iq (Typ) (mA)	1.1
Vin (Min) (V)	4.5
Vin (Max) (V)	28
Iout (Max) (A)	1.5
Vdo (Typ) (mV)	200
Topology	Buck
Pin/Package	30TSSOP
Operating Temperature Range (C)	-40 to 125,-55 to 125
Rating	HiRel Enhanced Product

TPS5120-EP 特性

Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
Extended Temperature Performance of –55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree
Independent Dual-Outputs Operate 180° Out of Phase
Wide Input Voltage Range: 4.5-V – 28-V
Adjustable Output Voltage Down to 0.9 V
Pin-Selectable PWM/SKIP Mode for High Efficiency Under Light Loads
Synchronous Buck Operation Allows up to 95% Efficiency
Separate Standby Control and Overcurrent Protection for Each Channel
Programmable Short-Circuit Protection
Low Supply (1 mA) and Shutdown (1 nA) Current
Power Good Output
High-Speed Error Amplifiers
Sequencing Easily Achieved by Selecting Softstart Capacitor Values.
5-V Linear Regulator Power Internal IC Circuitry
30-Pin TSSOP Packaging

TPS5120-EP 芯片订购指南

器件	状态	温度 (oC)	价格（美元）	封装 \| 引脚	封装数量 \| 封装载体	丝印标记
TPS5120MDBTREP	ACTIVE	-55 to 125	6.65 \| 100u	TSSOP (DBT) \| 30	2000 \| LARGE T&R
TPS5120QDBTREP	ACTIVE	-40 to 125	6.65 \| 100u	TSSOP (DBT) \| 30	2000 \| LARGE T&R
V62/04645-01XE	ACTIVE	-40 to 125	6.65 \| 100u	TSSOP (DBT) \| 30	2000 \| LARGE T&R
V62/04645-02XE	ACTIVE	-55 to 125	6.65 \| 100u	TSSOP (DBT) \| 30	2000 \| LARGE T&R

TPS5120-EP 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
TPS5120MDBTREP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	TPS5120MDBTREP	TPS5120MDBTREP
TPS5120QDBTREP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	TPS5120QDBTREP	TPS5120QDBTREP
V62/04645-01XE	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	V62/04645-01XE	V62/04645-01XE
V62/04645-02XE	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	V62/04645-02XE	V62/04645-02XE

TPS5120-EP 工具与软件

培训内容	型号	软件/工具类型
最常用开关模式电源的功率级设计器	POWERSTAGE-DESIGNER	分析软件