MAX8833ETJ+ Maxim Integrated Products, MAX8833ETJ+ Datasheet - Page 4

• Manufacturer Part Number: MAX8833ETJ+
• Description: IC REG STP DWN DUAL 3A 32-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8833ETJ+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 3.24 V
• Current - Output: 3A
• Frequency - Switching: 500kHz ~ 2MHz
• Voltage - Input: 2.35 ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Power - Output: 2.76W
• Output Voltage: 0.6 V to 0.9 V
• Output Current: 3 A
• Input Voltage: 2.35 V to 3.6 V
• Switching Frequency: 2 MHz
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 95 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual, 3A, 2MHz Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(V
C
Note 2: All devices 100% production tested at +25°C. Limits over temperature are guaranteed by design.
Note 3: V
(V
4
FSYNC
FSYNC Capture Range
FSYNC Input Threshold
FSYNC Output Voltage
Phase Shift from LX1 to LX2
PWRGD1, PWRGD2
PWRGD1 Threshold Voltage
PWRGD2 Threshold Voltage
PWRGD_ Hysteresis
PWRGD_ Falling Edge Deglitch
PWRGD_ Output-Low Voltage
PWRGD_ Leakage Current
SS_
IN_
IN1
100
90
80
70
60
50
40
30
20
10
_______________________________________________________________________________________
0
= 0.022μF, PWRGD_ not connected; T
= V
= V
100
vs. LOAD CURRENT WITH 3.3V INPUT
V
VDD
IN2
VDD
OUT_
= 3.3V. MAX8833, circuit of Figure 6, T
= 2.5V
= V
must equal V
LOAD CURRENT (mA)
PARAMETER
VDL
EFFICIENCY
V
OUT_
= 3.3V, V
1000
= 1.8V
VDL
V
OUT_
FB_
and be equal to or greater than V
= 1.2V
= 0.5V, V
10,000
A
SS_
= -40°C to +85°C, typical values are at T
100
V
and V
V
and V
I
V
V
PWRGD_
90
80
70
60
50
40
30
20
10
= V
FB1
FB2
PWRGD_
FB_
0
100
A
vs. LOAD CURRENT WITH 2.5V INPUT
REFIN
= 0.9V
= +25°C, unless otherwise noted.)
rising with respect to V
rising with respect to V
REFIN
SS2
= 4mA
> 540mV typ
= 3.6V,
= 600mV, PGND_ = GND, R
> 540mV typ
LOAD CURRENT (mA)
V
OUT_
EFFICIENCY
CONDITIONS
IN
= 1.8V
_.
1000
Typical Operating Characteristics
V
OUT_
REFIN
SS2
= 1.2V
T
T
,
A
A
,
= +25°C
= +85°C
10,000
A
= +25°C, unless otherwise noted.) (Note 2)
FSYNC
2400
2200
2000
1800
1600
1400
1200
1000
800
600
400
= 10kΩ, L = 0.47μH, C
3
0.975
MIN
250
1.3
SWITCHING FREQUENCY vs. R
88
88
35
6
TYP
0.03
0.01
180
1.5
1.0
2.6
9
90
90
45
R
FSYNC
12
(kΩ)
1.025
MAX
2500
0.15
1.7
92
92
55
1
15
BST_
18
FSYNC
D eg r ees
= 0.1μF,
UNITS
kHz
μA
μs
%
%
%
V
V
V
21