TPS7H1101A-SP Datasheet, PDF (1/29 Pages) Texas Instruments – 1.5-V to 7-V Input, 3-A, Radiation-Hardened LDO Regulator

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TPS7H1101A-SP
SLVSDW6 – APRIL 2017
TPS7H1101A-SP 1.5-V to 7-V Input, 3-A, Radiation-Hardened LDO Regulator
1 Features
•1 5962R13202:
– Radiation Hardness Assurance (RHA): Up to
TID 100 krad (Si)
– Total Ionizing Dose: 100 krad (Si)
– ELDRS-Free: 100 krad (Si)
– Dose Rate: 10 mrad (Si)/s
– Single Event Latchup (SEL) Immune to
LET = 85 MeV-cm²/mg
– SEB and SEGR Immune to
LET = 85 MeV-cm²/mg
– SET/SEFI Onset Threshold > 40 MeV-cm²/mg,
See Radiation Report (SNAA257A) for Details
– Specifically Designed to Always Upset Low
to Avoid Damage to Critical Downstream
Component
– SET/SEFI Cross-Section Plot, See Radiation
Report (SNAA257A) for Details
• Ultra-Low V_IN Range: 1.5 V to 7 V
• 3-A Maximum Output Current
• Current Share/Parallel Operation to Provide up to
6-A Output Current
• Stable With Ceramic Output Capacitor
• ±2% Accuracy Over Line, Load, and Temperature
• Programmable Soft Start Through External
Capacitor
• Input Enable Across All Input Voltages and Power
Good Output for Power Sequencing
• Ultra-Low Dropout LDO Voltage:
62 mV at 1 A (25°C), V_OUT = 1.8 V
• Low Noise:
20.33 µVRMS, V_IN = 2 V, V_OUT = 1.8 V at 3 A
• PSRR: Over 45 dB at 1 kHz
• Excellent Load/Line Transient Response
• Foldback Current Limit
• See the Tools & Software Tab
• Thermally-Enhanced CFP Package (0.6°C/W
R_θJC)
2 Applications
• Space Satellite Point of Load Supply for FPGAs,
Microcontrollers, ASICs, and Data Converters
• Space Satellite Payloads
• Radiation-Hardened Low-Noise Linear Regulator
Power Supply for RF, VCOs, Receivers, and
Amplifiers
• Clean Analog Supply Requirements
• Available in Military (–55°C to 125°C)
Temperature Range
• Engineering Evaluation (/EM) Samples are
Available⁽¹⁾
3 Description
The TPS7H1101A-SP is an improved version of the
TPS7H1101-SP allowing the use of the enable
feature across the entire input voltage range. It is a
radiation-hardened LDO linear regulator that uses a
PMOS pass element configuration. It operates over a
wide range of input voltage, from 1.5 V to 7 V while
offering excellent PSRR. The TPS7H1101A-SP
features a precise and programmable foldback
current limit implementation with a very-wide
adjustment range. To support the complex power
requirements of FPGAs, DSPs, or microcontrollers,
the TPS7H1101A-SP provides enable on and off
functionality, programmable soft start, current sharing
capability, and a Power Good open-drain output.
Device Information⁽²⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS7H1101A-SP
CFP (16)
11.00 mm × 9.60 mm
(1) These units are intended for engineering evaluation only.
They are processed to a noncompliant flow (that is, no burn-
in, and so forth) and are tested to a temperature rating of
25°C only. These units are not suitable for qualification,
production, radiation testing or flight use. Parts are not
warranted for performance over the full MIL specified
temperature range of –55°C to 125°C or operating life.
(2) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
TPS7H1101A-SP
5V
V_IN
Power
Good
C_IN
RCS
EN
COMP
CS
V_OUT
PCL
RT
RPCL
Soft
Start
Feed
GND ^Back
C_SS
RB
3.3 V
C_OUT
Copyright © 2017, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.