202218B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2014
DATA SHEET
AAT4901
Buffered Power Full Bridge
Absolute Maximum Ratings
1
Symbol
V
IN
V
EN
V
OUT
I
MAX
I
MAX(PK)
T
LEAD
Description
IN to GND
ENA, ENB, ENC, END to GND
OUT to GND
Maximum Continuous Switch Current
Maximum Peak Current
Maximum Soldering Temperature (at Leads)
Value
-0.3 to 6.0
-0.3 to V
IN
+ 0.3
-0.3 to V
IN
+ 0.3
0.7
3
300
Units
V
V
V
A
A
°C
Thermal Information
Symbol
P
D
JA
T
J
Description
Maximum Power Dissipation (T
A
= 25°C)
Thermal Resistance
2
Operating Junction Temperature Range
Value
440
225
-40 to 150
Units
mW
°C/W
°C
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
202218B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2014
3
DATA SHEET
AAT4901
Buffered Power Full Bridge
Electrical Characteristics
1
V
IN
= 5V, T
A
= -40 to 85°C unless otherwise noted. Typical values are at T
A
= 25°C.
Symbol
V
IN
I
QAC
Description
Operation Voltage
AC Quiescent Current
Conditions
AAT4901-1
AAT4901-2
IN = 5V, ENB (D) = IN,
ENA (C) = 1MHz, I
OUT
= 0 AAT4901-3
AAT4901-4
AAT4901-1
AAT4901-2
IN = 5V, ENB (D) = IN,
ENA (C) = GND, I
OUT
= 0
AAT4901-3
AAT4901-4
ENB (D) = ENA (C) = GND, IN = OUT
= 5.5V
ENB (D) = GND, IN = 5.5V, V
OUT
= 0, or
OUT = IN
V
IN
= 4.5V
V
IN
= 3.0V
V
IN
= 2.0V
V
IN
= 4.5V
V
IN
= 3.0V
V
IN
= 2.0V
Min
2.0
Typ
3
1.6
1.6
0.9
5.5
Max
5.5
5
4
4
2.5
10.0
Units
V
mA
I
QDC
DC Quiescent Current
μA
I
Q(OFF)
I
SD(OFF)
R
DS(ON)H
Off-Supply Current
Off-Switch Current
High Side MOSFET On-Resistance
1.0
0.03
240
270
360
200
230
300
0.4
1.5
200
0.01
5.0
5.0
145
25
15
15
8
14
18
15
7
19
12
10
10
12
11
10
7
12
1
μA
μA
m
R
DS(ON)L
V
ONL
V
ONH
V
HYS
I
SINK
T
BBM
T
SHDH
Low Side MOSFET On-Resistance
ENA
ENA
ENA
ENA
(C), ENB (D) Input Low Voltage
(C), ENB (D) Input High Voltage
(C), ENB (D) Input Hysteresis
(C), ENB (D) Input Leakage
m
V
V
mV
μA
ns
ns
°C
Break-Before-Make Time
Chip Thermal Shutdown
Temperature
ENA (C) , ENB (D) = 5.5V
ENA (C) Rising
ENA (C) Falling
Threshold
Hysteresis
ENA (C) Rising
AAT4901-1
AAT4901-2
AAT4901-3
AAT4901-4
AAT4901-1
AAT4901-2
AAT4901-3
AAT4901-4
AAT4901-1
AAT4901-2
AAT4901-3
AAT4901-4
AAT4901-1
AAT4901-2
AAT4901-3
AAT4901-4
1.0
ns
T
ON-DLY
ENA (C) to OUT Delay
ENA (C) Falling
ns
ENA (C) = GND
T
HIZ
ENB to OUT HiZ Delay
ENA (C) = IN
ns
ns
1. The AAT4901 is guaranteed to meet performance specifications over the –40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
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