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UCC2803QDREP Datasheet

  • UCC2803QDREP

  • LOW-POWER BICMOS CURRENT-MODE PWM

  • 339.24KB

  • 12頁

  • TI

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UCC2800/2801/2802/2803/2804/2805-EP
LOW-POWER BICMOS CURRENT-MODE PWM
SGLS135B 鈥?SEPTEMBER 2002 鈥?REVISED MARCH 2003
D
Controlled Baseline
D
D
D
D
D
D
D
鈥?One Assembly/Test Site, One Fabrication
Site
Extended Temperature Performance of
鈥?0擄C to 125擄C
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product Change Notification
Qualification Pedigree
鈥?/div>
ESD Protection Exceeds 200 V Using
Machine Model (C = 200 pF, R = 0)
100
碌A
Typical Starting Supply Current
500
碌A
Typical Operating Supply Current
D
D
D
D
D
D
D
D
Operation to 1MHz
Internal Soft Start
Internal Fault Soft Start
Internal Leading-Edge Blanking of the
Current Sense Signal
1 Amp Totem-Pole Output
70 ns Typical Response from
Current-Sense to Gate Drive Output
1.5% Tolerance Voltage Reference
Same Pinout as UC3842 and UC3842A
D PACKAGE
(TOP VIEW)
鈥?Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, Highly
Accelerated Stress Test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life. Such qualification
testing should not be viewed as justifying use of this component
beyond specified performance and environmental limits.
COMP
FB
CS
RC
1
2
3
4
8
7
6
5
REF
V
CC
OUT
GND
description
The UCC2800/1/2/3/4/5 family of high-speed, low-power integrated circuits contain all of the control and drive
components required for off-line and DC-to-DC fixed frequency current-mode switching power supplies with
minimal parts count.
These devices have the same pin configuration as the UC2842/3/4/5 family, and also offer the added features
of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.
The UCC2800/1/2/3/4/5 family offers choice of maximum duty cycle and critical voltage levels. Lower reference
parts such as the UCC2803 and UCC2805 fit best into battery operated systems, while the higher reference
and the higher UVLO hysteresis of the UCC2802 and UCC2804 make these ideal choices for use in off-line
power supplies.
PART NUMBER
UCC2800
UCC2801
UCC2802
UCC2803
UCC2804
UCC2805
MAXIMUM DUTY CYCLE
100%
50%
100%
100%
50%
50%
REFERENCE VOLTAGE
5V
5V
5V
4V
5V
4V
TURN-ON THRESHOLD
7.2 V
9.4 V
12.5 V
4.1 V
12.5 V
4.1 V
TURN-OFF THRESHOLD
6.9 V
7.4 V
8.3 V
3.6 V
8.3 V
3.6 V
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2003, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

UCC2803QDREP 產品屬性

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流模式

  • 1

  • 1MHz

  • 100%

  • 3.6 V ~ 12 V

  • 無

  • 是

  • 是

  • 無

  • 無

  • 無

  • 無

  • 無

  • -40°C ~ 125°C

  • 8-SOIC（0.154"，3.90mm 寬）

  • Digi-Reel®

  • 296-18189-6

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