UCC21759-Q1
SLUSEB4A – AUGUST 2020 – REVISED DECEMBER 2020
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VCC = 3.3 V or 5.0 V, 1-µF capacitor from VCC to GND, VDD – COM = 20 V, 18 V or 15 V, COM – VEE = 0 V, 5 V, 8 V or 15
V, CL = 100 pF, –40°C < TJ < 150°C (unless otherwise noted)(1) (2)
.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Output active pull down on OUT, IOUTL or IOUT = 0.1×IOUT(L)(tpy)
,
VOUTPD
1.5
2
2.5
2.5
V
OUTL
INTERNAL ACTIVE MILLER CLAMP
VDD=OPEN, VEE=COM
VCLMPTH
VCLMPI
ICLMPI
Miller clamp threshold voltage
Output low clamp voltage
Output low clamp current
Reference to VEE
ICLMPI = 1A
1.5
2.0
V
V
VEE + 0.5
VCLMPI = 0V, VEE = –2.5V
4
0.6
15
A
RCLMPI
tDCLMPI
SHORT CIRCUIT CLAMPING
Miller clamp pull down resistance ICLMPI = 0.2A
Ω
ns
Miller clamp ON delay time CL = 1.8nF
50
OUT = Low, IOUT(H) = 500mA,
tCLP=10us
VCLP-OUT(H)
VCLP-OUT(L)
VCLP-CLMPI
VOUT–VDD, VOUTH–VDD
0.9
1.8
1.0
0.99
1.98
V
V
V
OUT = High, IOUT(L) = 500mA,
tCLP=10us
VOUT–VDD, VOUTL–VDD
VCLMPI–VDD
OUT = High, ICLMPI = -20mA,
tCLP=10us
DESAT PROTECTION
Blanking capacitor charge
current
ICHG
VDESAT = 2.0V
VDESAT = 6.0V
450
500
15
570 µA
mA
Blanking capacitor discharge
current
IDCHG
10
VDESAT
Detection Threshold
Leading edge blank time
DESAT deglitch filter
8.5
9.15
200
140
9.8
V
tDESATLEB
tDESATFIL
ns
ns
50
150
400
230
300
750
DESAT propagation delay to
OUT(L) 90%
tDESATOFF
tDESATFLT
200
580
ns
ns
DESAT to FLT low delay
INTERNAL SOFT TURN-OFF
Soft turn-off current on fault
ISTO
250
400
570 mA
conditions
ISOLATED TEMPERATURE SENSE AND MONITOR (AIN–APWM)
VAIN
Analog sensing voltage range
Internal current source
0.5
196
380
4.5
V
IAIN
VAIN=2.5V, -40°C< TJ< 150°C
VAIN=2.5V
203
400
10
209 µA
420 kHz
kHz
fAPWM
BWAIN
APWM output frequency
AIN–APWM bandwidth
VAIN = 0.6V
VAIN = 2.5V
VAIN = 4.5V
86.5
48.5
7.5
88
89.5
DAPWM
APWM Dutycycle
50
51.5
11.5
%
10
FLT AND RDY REPORTING
VDD UVLO RDY low minimum
holding time
tRDYHLD
0.55
0.55
1
1
ms
tFLTMUTE
RODON
VODL
Output mute time on fault
Reset fault through RST/EN
ms
Ω
Open drain output on resistance IODON = 5mA
Open drain low output voltage IODON = 5mA
30
0.3
V
COMMON MODE TRANSIENT IMMUNITY
Common-mode transient
immunity
CMTI
150
V/ns
(1) Current are positive into and negative out of the specified terminal.
(2) All voltages are referenced to COM unless otherwise notified.
(3) For internal PMOS only. Refer to Section 8.3.2 for effective pull-up resistance.
Copyright © 2020 Texas Instruments Incorporated
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