lm5015mhx National Semiconductor Corporation, lm5015mhx Datasheet - Page 4

• Manufacturer Part Number: lm5015mhx
• Description: High Voltage Monolithic Two-switch Forward Dc-dc Regulator
• Manufacturer: National Semiconductor Corporation

www.national.com
STARTUP REGULATOR
EN THRESHOLDS
MOSFET CHARACTERSTICS
CURRENT LIMIT
OSCILLATOR
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
BST to AGND
PVIN to HO, LO, PGND
HO to PGND (Steady State)
LO to PGND (Steady State)
BST to VCC
BST to HO
V
Electrical Characteristics
junction temperature (T
statistical correlation. Typical values represent the most likely parametric norm at T
purposes only. V
IN
CC
V
V
to AGND
, EN to AGND
Symbol
VCC-REG
RT-SYNC
F
F
I
LIM
SW1
SW2
I
Q
VIN
VCC Regulator Output
VCC Current Limit
VCC UVLO Threshold
VCC UVLO Hysteresis
Bias Current (IIN)
Shutdown Current (IIN)
EN Shutdown Threshold
EN Shutdown Hysteresis
EN Standby Threshold
EN Standby Hysteresis
EN Current Source
Low side MOSFET RDS(ON) plus
Current Sense Resistance
MOSFET Leakage Current
High side MOSFET RDS(ON)
MOSFET Leakage Current
Total Gate Charge including both
Low and High side MOSFETs
Pre-charge Switch ON Voltage
including series blocking diode
Cycle by Cycle Current Limit
Cycle by Cycle Current Limit Delay
Frequency1
Frequency2
SYNC Threshold
SYNC Pulse Width Minimum
= 48V, R
J
) range of −40°C to + 125°C. Minimum and Maximum limits are guaranteed through test, design, or
RT
Parameters
= 31.6 kΩ unless otherwise stated. See (Note 3).
76V
90V
76V
-3V to 76V
-0.3V to 76V
76V
14V
14V
Limits in standard type are for T
(Note 1)
V
VCC increasing, VIN = VCC, EN=open
VIN = VCC, EN = open
V
V
V
V
I
V
I
V
V
I
R
R
V
V
D
D
D
VCC
FB
EN
EN
EN
LO
PVIN
VCC
RT
RT
RT
RT
= 0.6A
= 0.6A
= 1 mA
= 1.5V
= 75V
Increasing
> V
= 0V
increasing
increasing
= 31.6k
= 15.4k
= 75V, V
= 6V
= 8V
RT-SYNC
4
V
Operation Junction Temperature
COMP, FB, RT, SS to AGND
PGND to AGND
CFB Sink Current
Maximum Junction Temperature
Storage Temperature
ESD Rating
Operating Ratings
IN
Conditions
HO
Human Body Model
+ 0.5V
= PGND
J
= 25°C only; limits in boldface type apply over the
J
= 25°C, and are provided for reference
6.35
3.45
0.25
1.19
Min
180
365
3.2
20
1
6.85
3.75
0.15
0.45
1.26
0.49
0.05
0.45
0.05
0.82
Typ
110
130
200
405
3.1
0.1
0.1
1.2
25
15
6
9
−40°C to + 125°C
-0.3V to 7V
-0.3V to +0.3V
10 mA
150°C
−65°C to + 150°C
2 kV
4.25V to 75V
Max
7.25
4.05
0.65
0.93
0.90
170
220
445
4.5
1.3
1.4
5
5
Units
kHz
kHz
mA
mA
µA
µA
µA
µA
nC
ns
ns
Ω
Ω
V
V
V
V
V
V
V
V
A
V