MAX1692EUB+ Maxim Integrated Products, MAX1692EUB+ Datasheet - Page 2

• Manufacturer Part Number: MAX1692EUB+
• Description: IC REG PWM STEP-DN 5.5VIN 10UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1692EUB+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 5.5 V
• Current - Output: 600mA
• Frequency - Switching: 750kHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 444mW
• Output Voltage: 1.25 V to 5.5 V
• Input Voltage: 2.7 V to 5.5 V
• Supply Current: 85 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
IN, BP, SHDN, SYNC/PWM, LIM to GND ................ -0.3V to +6V
BP to IN .................................................................-0.3V to +0.3V
PGND to GND ...................................................... -0.3V to +0.3V
LX to PGND................................................. -0.3V to (V
FB, REF to GND ......................................... -0.3V to (V
Reference Current ............................................................. ±1mA
LX Peak Current (internally limited)...................................... 1.6A
Low-Noise, 5.5V-Input,
PWM Step-Down Regulator
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
(V
values are at T
2
Input Voltage Range
Output Voltage
Output Adjustment Range
Feedback Voltage
Line Regulation
Load Regulation
FB Input Current
P-Channel On-Resistance
N-Channel On-Resistance
P-Channel Current-Limit
Threshold
N-Channel Current-Limit
Threshold
Pulse-Skipping Current-Limit
Threshold
Quiescent Current
Shutdown Supply Current
LX Leakage Current
Oscillator Frequency
SYNC Capture Range
Maximum Duty Cycle
Minimum Duty Cycle
Reference Output Voltage
IN
_______________________________________________________________________________________
= +3.6V, SYNC/PWM = GND, V
PARAMETER
A
= +25°C.)
SYMBOL
N
P
duty
duty
LIM
RDS(ON)
RDS(ON)
V
V
f
V
V
OSC
I
OUT
REF
FB
FB
IN
MAX
MIN
= 3.6V,
FB = OUT, V
I
FB = OUT, V
I
I
(Note 1)
FB = OUT, V
(duty cycle = 23%) (Note 2)
Duty cycle = 100% to 23%
I
I
V
I
I
LIM = GND
LIM = IN
V
SYNC/PWM = IN, FB = REF
SYNC/PWM = GND, V
LX unconnected
SHDN = LX = GND, includes LX leakage
current
V
I
OUT
OUT
OUT
OUT
OUT
LX
LX
REF
FB
FB
IN
SHDN = IN, circuit of Figure 2; T
= 180mA
= 180mA
= 5.5V, V
= 1.4V
= 1.4V
= 0
= 0
= 0 to 600mA, LIM = IN or
= 0 to 250mA, LIM = GND
= 0 to 600mA, LIM = IN or
= 0 to 250mA, LIM = GND
BP
IN
+ 0.3V)
+ 0.3V)
IN
IN
IN
LX
= V
= 2.7V to 5.5V,
= V
CONDITIONS
= 0 or 5.5V
LIM
LIM
Continuous Power Dissipation (T
Operating Temperature Range .......................... -40°C to +85°C
Maximum Junction Temperature .................................... +150°C
Storage Temperature Range ............................ -65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
FB
= 2.7V to 5.5V,
= 5.5V, I
10-Pin µMAX (derate 5.6mW/°C above +70°C) ............444mW
V
V
V
V
= 1.4V,
IN
IN
IN
IN
= 3.6V
= 2.7V
= 3.6V
= 2.7V
OUT
A
= 0
= 0°C to +85°C, unless otherwise noted. Typical
1.223
1.190
1.223
1.235
V
0.35
0.75
-450
MIN
650
500
100
2.7
-50
-20
80
REF
0
A
= +70°C)
1.249
1.232
1.249
1.250
-850
TYP
0.01
-1.3
120
750
0.3
0.4
0.4
0.5
0.6
1.2
0.1
0.1
+1
50
85
1.275
1.275
1.275
-1600
1.265
MAX
1000
0.65
0.85
1.55
100
160
140
830
V
5.5
0.8
50
10
20
22
IN
UNITS
kHz
kHz
mA
mA
nA
µA
µA
µA
%
%
%
%
V
V
V
V
A
V