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Intersil - Radiation Hardened High-Speed Dual Output PWM

Numéro de référence HS-1825AEH
Description Radiation Hardened High-Speed Dual Output PWM
Fabricant Intersil 
Logo Intersil 





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HS-1825AEH fiche technique
DATASHEET
Radiation Hardened High-Speed, Dual Output PWM
HS-1825ARH, HS-1825AEH
The radiation hardened HS-1825ARH, HS-1825AEH pulse
width modulator is designed to be used in high frequency
switched-mode power supplies and can be used in either
current-mode or voltage-mode. It is well suited for single-ended
boost converter applications.
Device features include a precision voltage reference, low
power start-up circuit, high frequency oscillator, wide-band
error amplifier and fast current-limit comparator. The use of
proprietary process capabilities and unique design techniques
results in fast propagation delay times and high output current
over a wide range of output voltages.
Constructed with the Intersil radiation hardened Silicon Gate
(RSG) Dielectric Isolation BiCMOS process, the HS-1825ARH,
HS-1825AEH have been specifically designed to provide highly
reliable performance when exposed to harsh radiation
environments.
Features
• Electrically screened to DLA SMD # 5962-99558
• QML qualified per MIL-PRF-38535 Requirements
• Radiation environment
- Maximum total dose . . . . . . . . . . . . . . . . . . . . 300 krad(SI)
- Vertical architecture provides low dose rate immunity
- DI RSG process provides latch-up immunity
• Low start-up current. . . . . . . . . . . . . . . . . . . . . 100µA (Typical)
• Fast propagation delay . . . . . . . . . . . . . . . . . . . . 80ns (Typical)
• 12V to 30V operation
• 1A (peak) dual output drive capability
• 5.1V reference
• Undervoltage lockout
• Programmable soft-start
• Switching frequencies to 500kHz
• Latched overcurrent comparator with full cycle restart
• Programmable leading edge blanking circuit
Applications
• Current or voltage mode switching power supplies
• Motor speed and direction control
Pin Configuration
HS-1825ARH, HS-1825AEH
SBDIP (CDIP2-T16) AND FLATPACK (CDFP4-F16)
TOP VIEW
INV 1
NON-INV 2
E/A OUT 3
CLOCK 4
RT 5
CT 6
RAMP 7
SOFT START 8
16 VREF 5.1V
15 VCC
14 OUTPUT B
13 VC
12 POWER GND
11 OUTPUT A
10 GND
9 ILIM/SD
NOTE: Grounding the soft-start pin does not inhibit the outputs. The outputs may be inhibited by applying >1.26V to the ILIM/SD pin.
August 5, 2016
FN4561.10
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2002, 2005, 2008, 2012, 2016. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

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