參數(shù)資料
型號： TL594CN
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
中文描述： 0.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDIP16
封裝： 648-08
文件頁數(shù)： 5/12頁
文件大?。?/td> 166K
代理商： TL594CN
TL594
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS052C – APRIL 1988 – REVISED JULY 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 15 V,
(unless otherwise noted)
dead-time control section (see Figure 2)
PARAMETER
TEST CONDITIONS
TL594C, TL594I
MIN
TYP
UNIT
MAX
Input bias current
VI = 0 to 5.25 V
DTC = 0 V
–2
–10
μ
A
Maximum duty cycle, each output
0.45
Input threshold voltage
Zero duty cycle
Maximum duty cycle
3
3.3
V
0
All typical values except for parameter changes with temperature are at TA = 25
°
C.
output section
PARAMETER
TEST CONDITIONS
TL594C, TL594I
MIN
TYP
UNIT
MAX
100
VC = 40 V, VE = 0 V,
DTC and OUTPUT CTRL = 0 V,
VC = 15 V,
VE = 0 V,
VCC = VC = 40 V,
VE = 0,
VC = 15 V,
VI = Vref
VCC = 40 V
2
Collector off-state current
VCC = 1 to 3 V
VE = 0
IC = 200 mA
IE = –200 mA
4
200
μ
A
Emitter off-state current
–100
μ
A
Collector emitter saturation voltage
Collector-emitter saturation voltage
Common emitter
1.1
1.3
V
Emitter follower
1.5
2.5
Output control input current
All typical values except for parameter changes with temperature are at TA = 25
°
C.
pwm comparator section (see Figure 2)
3.5
mA
PARAMETER
TEST CONDITIONS
TL594C, TL594I
MIN
TYP
UNIT
MAX
Input threshold voltage, FEEDBACK
Zero duty cycle
4
4.5
V
Input sink current, FEEDBACK
All typical values except for parameter changes with temperature are at TA = 25
°
C.
undervoltage lockout section (see Figure 2)
FEEDBACK = 0.5 V
0.3
0.7
mA
PARAMETER
TEST CONDITIONS
TL594C, TL594I
MIN
UNIT
MAX
Threshold voltage
TA = 25
°
C
TA = MIN to MAX
6
V
3.5
6.9
Hysteresis§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§Hysteresis is the difference between the positive-going input threshold voltage and the negative-going input threshold voltage.
100
mV
PARAMETER
TEST CONDITIONS
TL594C, TL594I
TYP
UNIT
MIN
MAX
Standby supply current
RT at Vref,
All other inputs and outputs open
VCC = 15 V
VCC = 40 V
See Figure 2
9
15
mA
11
18
Average supply current
All typical values except for parameter changes with temperature are at TA = 25
°
C.
DTC = 2 V,
12.4
mA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL594CN 制造商:Texas Instruments 功能描述:PWM Controller IC Supply Voltage Max.:40
TL594CNE4 功能描述:電壓模式 PWM 控制器 Control Circuit RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
TL594CNG 功能描述:電壓模式 PWM 控制器 40kHz 200mA PWM w/48% Duty Cycle Max RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
TL594CNSR 功能描述:電壓模式 PWM 控制器 Control Circuit RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
TL594CNSRE4 功能描述:電壓模式 PWM 控制器 Control Circuit RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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