lm5035mhx National Semiconductor Corporation, lm5035mhx Datasheet - Page 5

• Manufacturer Part Number: lm5035mhx
• Description: Pwm Controller With Integrated Half-bridge And Syncfet Drivers
• Manufacturer: National Semiconductor Corporation

Startup Regulator (VCC pin)
Voltage Reference Regulator (REF pin)
Under-Voltage Lock Out and shutdown (UVLO pin)
Over-Voltage Protection (OVP pin)
Current Sense Input (CS Pin)
Current Limit Restart (RES Pin)
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
type apply over full Operating Junction Temperature range. V
R
VIN to GND
HS to GND
HB to GND
HB to HS
VCC to GND
CS, RT, DLY to GND
COMP Input Current
I
Symbol
V
DLY
VCC(LIM)
V
I
V
V
V
V
VCCUV
UVLO
I
V
I
UVLO
OVP
VIN
VCC
REF
OVP
RES
CS
= 27.4kΩ, V
Parameter
VCC voltage
VCC current limit
VCC Under-voltage threshold
(VCC increasing)
VCC decreasing
Startup regulator current
Supply current into VCC from
external source
REF Voltage
REF Voltage Regulation
REF Current Limit
Under-voltage threshold
Hysteresis current
Under-voltage Shutdown Threshold UVLO voltage falling
Under-voltage Standby Enable
Threshold
Over-Voltage threshold
Hysteresis current
Current Limit Threshold
CS delay to output
Leading edge blanking time at CS
CS sink impedance (clocked)
RES Threshold
Charge source current
Discharge sink current
UVLO
= 3V, V
OVP
= 0V unless otherwise stated. See (Note 2) and (Note 3).
-0.3V to 105V
-1V to 105V
-0.3V to 118V
-0.3V to 18V
-0.3V to 16V
-0.3V to 5.5V
10mA
Specifications with standard typeface are for T
(Note 1)
Conditions
I
V
VIN = VCC, ∆V
setpoint
VCC – PGND
VIN = 90V, UVLO = 0V
Outputs & COMP open, V
Outputs Switching
I
I
REF = 4.5V
UVLO pin sinking
UVLO voltage rising
OVP pin sourcing
CS from zero to 1V. Time for HO and LO
to fall to 90% of VCC. Output load = 0
pF.
Internal FET sink impedance
V
V
VCC
REF
REF
VCC
RES
RES
= 0mA
= 0 to 10mA
= 10mA
= 7V
= 1.5V
= 1V
5
VIN
VCC
Operating Ratings
All other inputs to GND
ESD Rating (Note 4)
Storage Temperature Range
Junction Temperature
VIN Voltage
External Voltage Applied to VCC
Operating Junction Temperature
= 48V, V
Human Body Model
from the regulation
VCC
VCC
= 10V externally applied, R
= 10V,
J
= 25˚C, and those with boldface
1.212
1.212
0.228
4.85
Min
7.3
0.2
5.5
2.4
20
15
19
19
16
8
(Note 1)
1.25
1.25
0.25
Typ
7.6
0.1
6.2
0.3
0.4
2.5
25
30
25
20
23
23
80
50
32
22
12
4
5
-0.3V to 7V
2kV
-65˚C to 150˚C
150˚C
RT
-40˚C to +125˚C
= 15.0 kΩ,
1.288
1.288
0.272
Max
5.15
7.9
6.9
2.6
70
50
27
27
60
28
16
13V to 105V
6
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8V to 15V
Units
mA
mA
mV
mA
µA
µA
µA
µA
µA
ns
ns
Ω
V
V
V
V
V
V
V
V
V
V