Operating Temperature Range ........................ -40°C to +105°C
Junction Temperature .....................................................+150°C
Storage Temperature Range............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Soldering Temperature (reflow) ......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Electrical Characteristics
(V
DD
= V
SKIP
= 5.0V, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER
V
DD
Input Voltage Range
SYMBOL
V
DD
MAX15492
MAX15492B
Rising edge, PWM
disabled below this level
Falling edge, PWM
disabled below this level
MAX15492
MAX15492B
MAX15492
MAX15492B
3.2
2.5
CONDITIONS
MIN
4.2
3
3.7
2.8
3.5
2.65
4
80
150
350
TYP
MAX
5.5
5.5
4.1
2.95
3.75
2.78
10
200
300
700
FA
V
UNITS
V
V
DD
Undervoltage-Lockout
Threshold
V
UVLO
SKIP
= high-Z, after t
SULP-DLY
delay
SKIP
= V
DD
, PWM = high-Z after the
shutdown hold time has expired
Quiescent Supply Current (V
DD
)
I
DD
SKIP
= GND, PWM = GND, LX = GND
(after zero crossing)
SKIP
= GND or V
DD
, PWM = V
DD
,
V
BST
= 5V
DRIVERS
t
ON(MIN)
PWM Pulse Width
t
OFF(MIN)
t
PWM-DL
t
PWM-DH
t
DL-DH
t
DH-DL
t
F-DL
Minimum on-time (Note 3)
Minimum off-time. Required to allow the
zero-crossing comparator time to settle to
the proper state.
PWM high to DL low
PWM low to DH low
DL falling to DH T
A
= 0NC to +85NC
rising
T
A
= -40NC to +105NC
DH falling to DL T
A
= 0NC to +85NC
rising
T
A
= -40NC to +105NC
Falling, 3nF load
Rising, 3nF load
8
7
8
7
30
220
12
12
12
12
3
7
ns
DL Propagation Delay
DH Propagation Delay
DL-to-DH Dead Time
DH-to-DL Dead Time
DL Transition Time
ns
ns
ns
ns
ns
www.maximintegrated.com
Maxim Integrated
│
2
MAX15492
Single-Phase Synchronous MOSFET Driver
with Ultra-Low-Power Mode
Electrical Characteristics (continued)
(V
DD
= V
SKIP
= 5.0V, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER
DH Transition Time
SYMBOL
t
F-DH
CONDITIONS
Falling, 3nF load
Rising, 3nF load
DH high state (pullup), BST = LX forced to
5V
DH low state (pulldown), BST = LX forced
to 5V
DL high state (pullup)
DL low state (pulldown)
MIN
TYP
7
14
1.5
0.7
0.7
0.3
2.2
2.7
2.7
8
V
ZX
R
ON(BST)
GND - LX,
SKIP
= GND
V
DD
= 5V, PWM = GND, DH = LX = GND
(pulldown state), I
BST
= 10mA
High
PWM Input Logic Levels
Midlevel
Low
High
SKIP
Input Logic Levels
Midlevel
Low
PWM Input Current
SKIP
Input Current
Midlevel Standby Hold Time
Ultra-Low-Power Delay Time
Ultra-Low-Power Wakeup Delay
Time
Thermal-Shutdown Threshold
I
PWM
I
SKIP
t
MID
t
SULP-DLY
Sink (PWM is forced to V
DD
)
Source (PWM forced to GND)
Sink (SKIP is forced to V
DD
)
Source (SKIP is forced to GND)
After PWM = high-Z, /SKIP = high or low
After
SKIP
= high-Z
12.5
+160
-400
120
-130
15
80
-200
200
-70
30
160
V
DD
- 0.4
V
DD
/2
0.4
-120
400
-35
60
300
2
25
FA
FA
ns
Fs
Fs
NC
V
V
DD
- 0.4
V
DD
/2
0.4
V
1.5
6
12
3.5
I
2.0
2.0
0.9
I
A
A
A
A
mV
I
MAX
UNITS
ns
DH Driver On-Resistance
R
ON(DH)
DL Driver On-Resistance
DH Driver Source Current
DH Driver Sink Current
DL Driver Source Current
DL Driver Sink Current
Zero-Crossing Current Threshold
Boost On-Resistance
LOGIC INPUTS
R
ON(DL)
t
WULP-DLY
After
SKIP
= low and PWM = high or low
T
SHDN
Hysteresis = +20NC
Note 1:
Self-protected against transient voltages exceeding these limits for
≤
59ns under normal operation and loads up to the
maximum rated output current.
Note 2:
Limits are 100% production tested at T
A
= +25NC. Maximum and minimum limits over temperature are guaranteed through
correlation using statistical quality control (SQC) methods.
Note 3:
The minimum on-time is provided for design guidance. This determines the maximum switching the system can operate
with, so this time should be as fast as possible. The primary requirement here is that short PWM pulses must NOT result in
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