Low

UCC2897APW - 

PWM Controller Current Mode, 16V-8.5V supply, 1 MHz, 11.1V/2A out, TSSOP-20

TEXAS INSTRUMENTS UCC2897APW

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Üretici Parça No.:
UCC2897APW
Sipariş Kodu:
2383058
Teknik Bilgi Formu:
(EN)
Tüm Teknik Belgeleri Görüntüleyin

Ürün Bilgileri

:
TSSOP
:
-40°C
:
2A
:
125°C
:
20Pins
:
1MHz
:
11.1V
:
110V
:
-
:
-
:
8.5V
:
Each
:
16V
:
MSL 1 - Unlimited
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Ürün Genel Bakış

The UCC2897APW is a Pulse Width Modulation (PWM) Controller simplifies implementation of the various active clamp or reset and synchronous rectifier switching power topologies. The UCC2897A is a peak current-mode fixed-frequency high-performance pulse width modulator. The controller includes the logic and the drive capability for the P-channel auxiliary switch along with a simple method of programming the critical delays for proper active-clamp operation. Features include an internal programmable slope compensation circuit, precise DMAX limit and a synchronizable oscillator with an internal-timing capacitor. An accurate line-monitoring function also programs the ON and OFF transitions of the converter with regard to the bulk input voltage, VIN. It adds a second-level hiccup-mode current-sense threshold, bidirectional synchronization and input-overvoltage protection functionalities.
  • Low-output jitter
  • Soft-stop shutdown of MAIN and AUX
  • Ideal for active-clamp, reset-forward, flyback and synchronous rectifier
  • Peak current-mode control with 0.5V Cycle-by-cycle current limiting
  • Trimmed internal-bandgap reference for accurate line UV and line OV threshold
  • Programmable slope compensation
  • High-performance 1MHz Synchronizable oscillator with internal timing capacitor
  • Precise programmable maximum duty cycle
  • Green product and no Sb/Br

Uygulamalar

Power Management, Automotive, Communications & Networking

Uyarılar

Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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