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參數資料
| 型號： | TL500 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| 中文描述： | 脈寬調制控制電路 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 348K |
| 代理商： | TL500 |
TL5001, TL5001A
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS084E – APRIL 1994 – REVISED OCTOBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Complete PWM Power Control
3.6-V to 40-V Operation
Internal Undervoltage-Lockout Circuit
Internal Short-Circuit Protection
Oscillator Frequency . . . 20 kHz to 500 kHz
Variable Dead Time Provides Control Over
Total Range
±
3% Tolerance on Reference Voltage
(TL5001A)
Available in Q-Temp Automotive
HighRel Automotive Applications
Configuration Control / Print Support
Qualification to Automotive Standards
description
The TL5001 and TL5001A incorporate on a single
monolithic chip all the functions required for a
pulse-width-modulation (PWM) control circuit.
Designed primarily for power-supply control, the
TL5001/A contains an error amplifier, a regulator,
an oscillator, a PWM comparator with a
dead-time-control input, undervoltage lockout
(UVLO), short-circuit protection (SCP), and an open-collector output transistor. The TL5001A has a typical
reference voltage tolerance of
±
3% compared to
±
5% for the TL5001.
The error-amplifier common-mode voltage ranges from 0 V to 1.5 V. The noninverting input of the error amplifier
is connected to a 1-V reference. Dead-time control (DTC) can be set to provide 0% to 100% dead time by
connecting an external resistor between DTC and GND. The oscillator frequency is set by terminating RT with
an external resistor to GND. During low V
CC
conditions, the UVLO circuit turns the output off until V
CC
recovers
to its normal operating range.
The TL5001C and TL5001AC are characterized for operation from –20
°
C to 85
°
C. The TL5001I and TL5001AI
are characterized for operation from –40
°
C to 85
°
C. The TL5001Q and TL5001AQ are characterized for
operation from –40
°
C to 125
°
C. The TL5001M and TL5001AM are characterized for operation from –55
°
C to
125
°
C.
AVAILABLE OPTIONS
PACKAGED DEVICES
PLASTIC DIP
(P)
TA
SMALL OUTLINE
(D)
CERAMIC DIP
(JG)
CHIP CARRIER
(FK)
–20
°
C to 85
°
C
TL5001CD
TL5001CP
—
—
TL5001ACD
TL5001ACP
—
—
–40
°
C to 85
°
C
TL5001ID
TL5001IP
—
—
TL5001AID
TL5001AIP
—
—
–40
°
C to 125
°
C
TL5001QD
—
—
—
TL5001AQD
—
—
—
–55
°
C to 125
°
C
—
—
TL5001MJG
TL5001MFK
—
—
TL5001AMJG
TL5001AMFK
The D package is available taped and reeled. Add the suffix R to the device type (e.g., TL5001CDR).
Copyright
1999, Texas Instruments Incorporated
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.
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.
1
2
3
4
8
7
6
5
OUT
V
CC
COMP
FB
GND
RT
DTC
SCP
D, JG OR P PACKAGE
(TOP VIEW)
19
20
1
3
2
17
18
16
15
14
13
12
11
9
10
5
4
6
7
8
NC
RT
NC
DTC
NC
NC
V
CC
NC
COMP
NC
N
O
N
G
N
F
N
S
N
N
FK PACKAGE
(TOP VIEW)
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| TL5001AD | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| TL5001AFK | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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