MAX8791BGTA+T Maxim Integrated Products, MAX8791BGTA+T Datasheet - Page 2

• Manufacturer Part Number: MAX8791BGTA+T
• Description: IC MOSF DRIVER 1PH SYNCH 8TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8791BGTA+T

• Configuration: High and Low Side, Synchronous
• Input Type: Differential
• Delay Time: 14ns
• Current - Peak: 2.7A
• Number Of Configurations: 1
• Number Of Outputs: 2
• High Side Voltage - Max (bootstrap): 36V
• Voltage - Supply: 4.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
SKIP to GND..................………………………………-0.3V to +6V
PWM to GND ................……………………………….-0.3V to +6V
DL to GND ..................................................-0.3V to (V
BST to GND ............................................................-0.3V to +36V
DH to LX ....................................................-0.3V to (V
BST to V
BST to LX ................…………………………………...-0.3V to +6V
Single-Phase, Synchronous MOSFET Drivers
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation 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
(Circuit of Figure 1, V
2
Input Voltage Range
V
Lockout Threshold
Quiescent Supply
Current (V
DRIVERS
PWM Pulse Width
DL Propagation Delay
DH Propagation Delay
DL-to-DH Dead Time
DH-to-DL Dead Time
DL Transition Time
DH Transition Time
DH Driver On-Resistance
DL Driver On-Resistance
D H D r i ver S our ce C ur r ent
DH Driver Sink Current
DL Driver Source Current I
DL Driver Sink Current
Zero-Crossing Threshold
Boost On-Resistance
DD
DD
_______________________________________________________________________________________
to GND...............…………………….………….. -0.3V to +6V
Undervoltage
PARAMETER
DD
DD
.............................................................-0.3V to +30V
)
DD
= V
SKIP
I
V
DH_SOURCE
DL_SOURCE
SYMBOL
R
UVLO(VDD)
t
t
I
t
t
R
I
R
OFF(MIN)
PWM-DH
DH_SINK
ON(MIN)
PWM-DL
DL_SINK
t
t
ON(BST)
t
t
ON(DH)
DL-DH
DH-DL
t
ON(DL)
t
V
F_DH
R_DH
F_DL
R_DL
V
I
= 5V, T
DD
DD
ZX
A
= -40°C to +105°C, unless otherwise noted. Typical values are at T
Rising edge, PWM disabled below this level
Falling edge, PWM disabled below this level
PWM = open; after the shutdown hold time has expired
SKIP = GND, PWM = GND,
LX = GND (after zero crossing)
SKIP = GND or V
Minimum on-time
Minimum off-time
PWM high to DL low
PWM low to DH low
DL falling to DH rising
DH falling to DL rising
Falling, 3.0nF load
Rising, 3.0nF load
Falling, 3.0nF load
Rising, 3.0nF load
BST-LX forced to 5V
DL, high state (pullup)
DL, low state (pulldown)
DH forced to 2.5V, BST - LX forced to 5V
DH forced to 2.5V, BST - LX forced to 5V
DL forced to 2.5V
DL forced to 2.5V
GND - LX, SKIP = GND
V
D D
= 5V , D H = LX = G N D ( p ul l d ow n state) , I
BST
DD
+ 0.3V)
+ 0.3V)
DD
, PWM = V
CONDITIONS
Continuous Power Dissipation (T
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
8-Pin 3mm x 3mm TQFN
(derate 23.8mW/°C above +70°C) .............................1904mW
T
T
T
T
DH, high state (pullup)
DH, low state (pulldown)
DD
A
A
A
A
= 0°C to +85°C
= -40°C to +105°C
= 0°C to +85°C
= -40°C to +105°C
, V
BST
= 5V
BS T
= 10m A
4.20
MIN
A
3.0
15
15
15
15
= +70°C)
A
TYP
0.08
0.25
300
3.7
3.5
0.6
0.9
0.7
0.7
0.5
2.2
2.7
2.7
50
10
14
30
30
12
14
10
= +25°C.) (Note 1)
8
8
3
5
MAX
5.50
4.0
0.2
0.5
1.5
2.5
2.3
1.8
1.2
12
UNITS
mA
mV
ns
ns
ns
ns
ns
ns
ns
Ω
Ω
Ω
V
V
A
A
A
A