參數(shù)資料
型號(hào)： TL594Y
廠商： Texas Instruments, Inc.
英文描述： PULSE-WIDTH-MODULATION CONTROL CIRCUITS
中文描述： 脈寬調(diào)制控制電路
文件頁(yè)數(shù)： 5/12頁(yè)
文件大?。?/td> 166K
代理商： TL594Y
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
相關(guān)PDF資料
PDF描述
TL594N PULSE-WIDTH-MODULATION CONTROL CIRCUITS
TL594IN PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
TL594 PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
TL594CD PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
TL594CN PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
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