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參數資料
| 型號： | 5962-8670405VXA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 646K |
| 代理商： | 5962-8670405VXA |
1
FEATURES
1
2
3
4
5
6
7
8
Gnd
Output
V
CC
V
REF
R /C
T
I
SENSE
V
FB
Comp
?
1
2
3
4
5
6
7
8
9 10 11 12 13
14
15
16
17
18
19
20
N/C
Comp
N/C
V
FB
N/C
I
SENSE
N/C
R
/C
T
N/C
Pwr
Gnd
N/C
Output
N/C
V
C
V
CC
N/C
V
REF
N/C
FK PACKAGE
(TOP VIEW)
DESCRIPTION
www.ti.com........................................................................................................................................................ SLUS872A – JANUARY 2009 – REVISED MAY 2009
QML CLASS V, CURRENT-MODE PWM CONTROLLERS
JG PACKAGE
QML-V Qualified, SMD 5962-86704
(TOP VIEW)
Rad-Tolerant: 30 kRad (Si) TID (1) (2)
Optimized for Offline and DC-to-DC Converters
Low Start-Up Current (<0.5 mA)
Trimmed Oscillator Discharge Current
Automatic Feed Forward Compensation
Pulse-by-Pulse Current Limiting
Enhanced Load Response Characteristics
Undervoltage Lockout With Hysteresis
Double-Pulse Suppression
High-Current Totem-Pole Output
Internally Trimmed Bandgap Reference
500-kHz Operation
Low R
O Error Amplifier
(1)
Radiation tolerance is a typical value based upon initial device
qualification with dose rate = 10 mrad/sec. Radiation Lot
Acceptance Testing is available - contact factory for details.
(2)
5962-8670409VPA currently offered. Contact factory for
additional devices.
The UC1842A/3A/4A/5A family of control IC's is a pin for pin compatible improved version of the UC1842/3/4/5
family.Providing the necessary features to control current-mode switched-mode power supplies, this device has
the following improved features. Start up current is guaranteed to be less than 0.5 mA. Oscillator discharge is
trimmed to 8.3 mA. During undervoltage lockout, the output stage can sink at least 10 mA at less than 1.2 V for
VCC over 5 V.
The difference between members of this family are shown in Table 1.
Table 1. UC184xA Family
MAXIMUM DUTY
PART NO.
UVLO ON
UVLO OFF
CYCLE
UC1842A
16.0 V
10.0 V
< 100%
UC1843A
8.5 V
7.9 V
< 100%
UC1844A
16.0 V
10.0 V
< 50%
UC1845A
8.5 V
7.9 V
< 50%
1
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.
Copyright 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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| 5962-8670406VXA | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 5962-8670405XA | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 1A 20-Pin LCCC Tube |
| 5962-8670406PA | 制造商:Texas Instruments 功能描述:Current Mode PWM Controller 1A 8-Pin CDIP Tube 制造商:Texas Instruments 功能描述:CURRENT MODE PWM CNTRLR 1A 8CDIP - Rail/Tube |
| 5962-8670406V2A | 制造商:Texas Instruments 功能描述:CURRENT MODE PWM CNTRLR 1A 20LCCC - Rail/Tube |
| 5962-8670406VPA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| 5962-8670406VPA/CLASS S DATA | 制造商:Texas Instruments 功能描述:CURRENT MODE PWM CNTRLR 1A 8CDIP - Bulk |
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