MAX1692EUB+ Maxim Integrated Products, MAX1692EUB+ Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
values are at T
ELECTRICAL CHARACTERISTICS
(V
Note 1: Guaranteed by minimum and maximum duty-factor tests.
Note 2: The following equation can be used to calculate FB accuracy for output voltages other than 1.232V:
(see Feedback Voltage vs. Load Current)
V
where: Line Reg = the line regulation
Note 3: Specifications to -40°C are guaranteed by design, not production tested.
Reference Load Regulation
Undervoltage Lockout Threshold
Logic Input High
Logic Input Low
Logic Input Current
SYNC/PWM Minimum Pulse Width
Input Voltage Range
Output Voltage
Output Adjustment Range
Feedback Voltage
FB Input Current
P-Channel Current-Limit
Threshold
N-Channel Current-Limit
Threshold
Quiescent Current
Shutdown Supply Current
Oscillator Frequency
Reference Output Voltage
Undervoltage Lockout
Threshold
Logic Input High
Logic Input Low
Logic Input Current
FB
IN
IN
= +3.6V, SYNC/PWM = GND, V
= +3.6V, SYNC/PWM = GND, V
= V
Load Reg = the load regulation
I
I
FB (NOMINAL)
RIPPLE
MAX
PARAMETER
PARAMETER
= 250mA (LIM = GND) or 600mA (LIM = IN)
A
= (1- V
= +25°C.)
_______________________________________________________________________________________
- (Line Reg) (V
OUT
/ V
IN
) · V
SYMBOL
SYMBOL
OUT
LIM
OUT
LIM
UVLO
UVLO
V
V
f
V
OSC
V
V
V
V
I
V
OUT
REF
= 3.6V, SHDN = IN, circuit of Figure 2, T
FB
FB
IH
IN
IH
/ (f
IL
IL
= 3.6V, SHDN = IN, circuit of Figure 2; T
/ V
OSC
IN
- 0.23) / 0.77 - ( Load Reg )(I
· L) where L is the inductor value
0 ≤ I
V
SHDN, SYNC/PWM, LIM
SHDN, SYNC/PWM, LIM
SHDN, SYNC/PWM, LIM
High or low
FB = OUT, V
I
FB = OUT, V
I
I
(Note 1)
FB = OUT, V
(duty cycle = 23%) (Note 2)
V
LIM = GND
LIM = IN
SYNC/PWM = IN, FB = REF
SYNC/PWM = GND, LX = unconnected,
V
SHDN = LX = GND, includes LX leakage current
I
V
SHDN, SYNC/PWM, LIM
SHDN, SYNC/PWM, LIM
SHDN, SYNC/PWM, LIM
OUT
OUT
OUT
REF
IN
FB
FB
IN
rising, typical hysteresis is 85mV
rising, typical hysteresis is 85mV
REF
=1.4V
= 1.4V
= 0
= 0
= 0 to 600mA, LIM = IN or
= 0 to 250mA, LIM = GND
≤ 50µA
PWM Step-Down Regulator
IN
IN
IN
= V
= 2.7V to 5.5V,
= V
CONDITIONS
CONDITIONS
LIM
LIM
= 2.7V to 5.5V,
= 5.5V, I
Low-Noise, 5.5V-Input,
OUT
OUT
A
+ 0.5 · I
= -40°C to +85°C, unless otherwise noted.) (Note 3)
A
= 0
= 0°C to +85°C, unless otherwise noted. Typical
RIPPLE
) / I
MAX
1.213
1.185
1.213
1.230
MIN
MIN
REF
500
630
-50
-15
2.3
2.7
0.3
0.7
2.3
-1
-1
2
2
TYP
2.4
0.1
3
1.285
1.285
1.285
1.268
MAX
MAX
110
140
840
V
2.5
0.4
5.5
0.9
1.6
2.5
0.4
15
50
10
1
1
IN
UNITS
UNITS
kHz
mV
mA
µA
nA
µA
µA
µA
ns
V
V
V
V
V
V
V
A
V
V
V
V
3