TPS7H4001-SP

Name: TPS7H4001-SP
Brand: TI
SKU: TPS7H4001-SP
Price: 5876.601 USD

現行

抗輻射、QMLV 和 QMLP、3-V 至 7-V 輸入 18-A 同步降壓轉換器

立即訂購

產品規格表

document-pdfAcrobat TPS7H4001-SP Radiation-Hardness-Assured 3-V to 7-V Input 18-A Synchronous Buck Converter datasheet (Rev. D) (英文) PDF | HTML

TPS7H4001-SP

現行

產品規格表

立即訂購

產品詳細資料

Rating

Space

Topology

Buck

Iout (max) (A)

18

Vin (max) (V)

7

Vin (min) (V)

3

Vout (max) (V)

6.65

Vout (min) (V)

0.604

Features

Enable, Frequency synchronization, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Tracking, UVLO adjustable

Control mode

current mode

Operating temperature range (°C)

-55 to 125

Iq (typ) (A)

0.004

Duty cycle (max) (%)

100

Rating

Space

Topology

Buck

Iout (max) (A)

18

Vin (max) (V)

7

Vin (min) (V)

3

Vout (max) (V)

6.65

Vout (min) (V)

0.604

Features

Enable, Frequency synchronization, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Tracking, UVLO adjustable

Control mode

current mode

Operating temperature range (°C)

-55 to 125

Iq (typ) (A)

0.004

Duty cycle (max) (%)

100

CFP (HKY)

34

164.5158 mm² 21.59 x 7.62

DIESALE (KGD)

—

See data sheet

HTSSOP (DDW)

44

113.4 mm² 14 x 8.1

Radiation performance:
- Radiation-hardness-assured up to TID 100 krad(Si)
- SEL, SEB, and SEGR immune to LET = 75 MeV-cm 2/mg
- SET and SEFI characterized up to LET = 75 MeV-cm 2/mg
Peak efficiency: 95.5% (V O = 1 V at 100 kHz)
Power rail: 3 V to 7 V on VIN
Flexible switching frequency options:
- 100-kHz to 1-MHz adjustable internal oscillator
- External sync capability: 100-kHz to 1-MHz
- SYNC pins can be configured as 500-kHz clocks at 90° out of phase to parallel up to 4 devices
0.6-V ±1.5% voltage reference over temperature, radiation, and line and load regulation for CDFP, KGD (known good die), and HTSSOP (QMLP) options
0.6-V ±1.7% voltage reference over temperature, radiation, and line and load regulation for HTSSOP (SHP) option
Monotonic start-up into prebiased outputs
Adjustable slope compensation and soft-start
Adjustable input enable and power-good output for power sequencing

Radiation performance:
- Radiation-hardness-assured up to TID 100 krad(Si)
- SEL, SEB, and SEGR immune to LET = 75 MeV-cm 2/mg
- SET and SEFI characterized up to LET = 75 MeV-cm 2/mg
Peak efficiency: 95.5% (V O = 1 V at 100 kHz)
Power rail: 3 V to 7 V on VIN
Flexible switching frequency options:
- 100-kHz to 1-MHz adjustable internal oscillator
- External sync capability: 100-kHz to 1-MHz
- SYNC pins can be configured as 500-kHz clocks at 90° out of phase to parallel up to 4 devices
0.6-V ±1.5% voltage reference over temperature, radiation, and line and load regulation for CDFP, KGD (known good die), and HTSSOP (QMLP) options
0.6-V ±1.7% voltage reference over temperature, radiation, and line and load regulation for HTSSOP (SHP) option
Monotonic start-up into prebiased outputs
Adjustable slope compensation and soft-start
Adjustable input enable and power-good output for power sequencing

The TPS7H4001-SP is a radiation-hardness-assured, 7-V, 18-A synchronous buck converter with integrated low-resistance high-side and low-side MOSFETs. High efficiency and reduced component count are achieved through current mode control.

The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a stand alone power supply or in tracking situations. Power sequencing is possible by correctly configuring the enable and the power good pins. The TPS7H4001-SP can be configured in primary-secondary mode and with the SYNC2 pin, four devices can be configured in parallel without an external clock.

Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current protection which prevents current runaway. Thermal shutdown disables the part when die temperature exceeds thermal limit.

The TPS7H4001-SP is a radiation-hardness-assured, 7-V, 18-A synchronous buck converter with integrated low-resistance high-side and low-side MOSFETs. High efficiency and reduced component count are achieved through current mode control.

The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a stand alone power supply or in tracking situations. Power sequencing is possible by correctly configuring the enable and the power good pins. The TPS7H4001-SP can be configured in primary-secondary mode and with the SYNC2 pin, four devices can be configured in parallel without an external clock.

Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current protection which prevents current runaway. Thermal shutdown disables the part when die temperature exceeds thermal limit.

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	E-book	Radiation Handbook for Electronics (Rev. A)		2019年 5月 21日

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