max5951etjt Maxim Integrated Products, Inc., max5951etjt Datasheet - Page 5

• Manufacturer Part Number: max5951etjt
• Description: Max5951 12v/5v Input Buck Pwm Controller
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
-40°C to +85°C, unless otherwise noted. Typical values are at T
(Typical Operating Circuits. V
C
Note 1: Limits at -40°C are guaranteed by design and are not production tested.
Note 2: For 5V applications, connect REG directly to IN.
PWM DL DRIVER
Peak Source Current
Peak Sink Current
DL Resistance Sourcing
DL Resistance Sinking
Break-Before-Make Time
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
REG
IN
1.30
1.27
1.24
1.21
1.18
1.15
= 12V or V
= 2.2µF, T
-40
PARAMETER
DEFAULT DCENI THRESHOLD
-15
IN
A
vs. TEMPERATURE
TEMPERATURE (°C)
= +25°C.)
= V
10
_______________________________________________________________________________________
REG
= 5V, V
35
IN
= 12V or V
60
DREG
12V/5V Input Buck PWM Controller
SYMBOL
85
= V
IN
REG
= V
, V
REG
808
804
800
796
792
788
PGND
V
V
V
V
I
I
T
DL
DL
-40
J
DL
DREG
DL
DREG
= 5V, V
rising
= 50mA, V
= -50mA, V
= 0V, pulse width < 100ns,
= 5V, pulse width < 100ns,
= 0V, V
= 5V
= 5V
-15
DREG
SENSE THRESHOLD
vs. TEMPERATURE
TEMPERATURE (°C)
A
SYNCIN
DREG
10
= T
CONDITIONS
DREG
= V
J
REG
= +25°C.) (Note 1)
= 5V
Typical Operating Characteristics
35
= 5V
= 0V, R
, V
PGND
60
RT
= 0V, V
= 100kΩ, R
85
SYNCIN
5.15
5.10
5.05
5.00
4.95
4.90
4.85
ILIM
= 0V, R
-40
MIN
= 60kΩ, C
-15
RT
REG OUTPUT VOLTAGE
vs. TEMPERATURE
TYP
= 49.9kΩ, R
135
25
15
TEMPERATURE (°C)
2
2
1
1
REG
10
= 2.2µF, T
MAX
35
3
3
ILIM
= 48.7kΩ,
60
A
UNITS
= T
ns
°C
°C
A
A
Ω
Ω
J
85
5
=