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TL594 Datasheet(PDF) 6 Page - Unisonic Technologies

Part No. TL594
Description  PULSE-WIDTH-MODULATION CONTROL CIRCUIT
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL594 Datasheet(HTML) 6 Page - Unisonic Technologies

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TL594
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
6 of 8
www.unisonic.com.tw
QW-R103-031,A
ELECTRICAL CHARACTERISTICS(Cont.)
output section
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VC = 40V, VE = 0V, VCC = 40V
2
100
Collector off-state current
IC(OFF) DTC and Output CTRL = 0V,
VC = 15V, VE = 0V, VCC = 1 ~ 3V
4
200
µA
Emitter off-state current
IE(OFF) VCC = VC = 40V, VE = 0
-100
µA
Common emitter
VE = 0, IC = 200mA
1.1
1.3
Collector-emitter
saturation
voltage
Emitter follower
VCE
VC = 15V, IE = −200mA
1.5
2.5
V
Output control input current
VI = VREF
3.5
mA
pwm comparator section (see Figure 2)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input threshold voltage,
FEEDBACK
VI(THD) Zero duty cycle
4
4.5
V
Input sink current, FEEDBACK
II(SINK)
FEEDBACK = 0.5V
0.3
0.7
mA
undervoltage lockout section (see Figure 2)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
6
Threshold voltage
VTHD
∆TA = MIN ~ MAX
3.5
6.9
V
Hysteresis
VHYS
100
mV
VCC = 15V
9
15
Standby supply current
IST-BY
RT at VREF
All other inputs and
outputs open
VCC = 40V
11
18
mA
Average supply current
DTC = 2V, See Figure 2
12.4
mA
switching characteristics, TA = 25°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output-voltage rise time
TR
100
200
ns
Output-voltage fall time
TF
Common-emitter configuration
(see Figure 3)
30
100
ns
Output-voltage rise time
TR
200
400
ns
Output-voltage fall time
TF
Emitter-follower configuration
(see Figure 4)
45
100
ns


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