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| XR79206EL-F Datasheet, PDF (3/20 Pages) Exar Corporation – 40V, 6A Synchronous Step-Down COT Power Module | |||
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XR79206
Electrical Characteristics (Continued)
TJ = 25°C, VIN = 24V, BST = VCC, SW = AGND = PGND = 0V, CVCC = 4.7μF, unless otherwise specified. Limits applying
over the full operating temperature range are denoted by a â¢.
Symbol Parameter
Conditions
⢠Min
Reference Voltage
VREF
Reference voltage
VIN = 5V to 40V, VCC regulating
0.596
⢠0.594
DC load regulation
DC line regulation
CCM operation, closed loop, applies to
any COUT
Programmable Constant On-Time
TON(MIN) Minimum programmable on-time RON = 14kâ¦, VIN = 40V
TON1
On-time 1
RON = 14kâ¦, VIN = 24V
â¢
180
TON2
On-time 2
On-time 2 frequency
TOFF(MIN) Minimum off-time
Diode Emulation Mode
RON = 35.7kâ¦, VIN = 24V
â¢
420
RON = 35.7kâ¦, VIN = 24V, VOUT = 5.0V, IOUT = 6A
425
â¢
Zero crossing threshold
DC value measured during test
Soft-Start
SS charge current
â¢
-14
SS discharge current
VCC Linear Regulator
VCC output voltage
Power Good Output
Power good threshold
Fault present
VIN = 6V to 40V, ILOAD = 0 to 30mA
VIN = 5V, ILOAD = 0 to 20mA
â¢
1
â¢
4.8
⢠4.51
-10
Power good hysteresis
Power good sink current
1
Typ
0.600
0.600
±0.2
±0.1
120
200
470
470
250
-2
-10
5.0
4.8
-7
1.5
Max
0.604
0.606
220
520
525
350
-6
5.2
-5
4
Units
V
V
%
%
ns
ns
ns
kHz
ns
mV
µA
mA
V
%
%
mA
REV1B
3/19
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