MAX1730EUB-T Maxim Integrated Products, MAX1730EUB-T Datasheet - Page 2

• Manufacturer Part Number: MAX1730EUB-T
• Description: Charge Pumps 50mA Regulated Step-Down
• Manufacturer: Maxim Integrated Products

Specifications of MAX1730EUB-T

• Function: Step Down
• Output Voltage: 1.8 V, 1.9 V
• Output Current: 50 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: uMAX-10
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

ABSOLUTE MAXIMUM RATINGS
IN, OUT, SHDN, FB to GND .....................................-0.3V to +6V
C1P, C1N, C2P, C2N to GND ......................-0.3V to (V
GND to PGND.....................................................................±0.3V
Output Short-Circuit Duration ........................................Indefinite
Continuous Power Dissipation (T
50mA Regulated Step-Down Charge Pump
for 1.8V or 1.9V Logic
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
2
Input Voltage Range
Input Undervoltage Lockout
Output Voltage
Output Leakage Current
No-Load Supply Current
Shutdown Supply Current
Output Short-Circuit Current
Oscillator Frequency
Thermal Shutdown Threshold
Thermal Shutdown Threshold
Hysteresis
V
(V
Startup Timer
SHDN Logic Input High Voltage
SHDN Logic Input Low Voltage
Shutdown Logic Input Current
IN
10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW
IN
IN
_______________________________________________________________________________________
= +3.6V, FB = GND, SHDN = IN, T
Transition Voltage
Rising)
PARAMETER
A
= +70°C)
SYMBOL
I
V
SHDN
V
V
V
OUT
A
IH
IL
IN
= 0°C to +85°C, unless otherwise noted. Typical values are at T
Falling edge (100mV hysteresis)
V
I
OUT forced to 1.8V, V
SHDN = GND
SHDN = IN
V
V
FB = GND
V
V
SHDN = IN or GND
OUT
IN
IN
OUT
IN
IN
= 4.2V, SHDN = GND, V
= 2.7V to 5.5V,
= 2.7V to 5.5V
= 2.7V to 5.5V
= 0 to 50mA
= GND
IN
+ 0.3V)
CONDITIONS
IN
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature Range (soldering, 10s)......................+300°C
FB = GND
FB = IN
= 1.8V to 5.5V,
From 1:1 to 2:3
From 2:3 to 1:2
OUT
= 1.8V or GND
1.746
1.843
4.00
MIN
2.7
2.3
1.5
3.1
1.4
-1
A
= +25°C.)
TYP
1.80
1.90
4.12
150
2.0
3.2
4.1
75
45
15
1
1
1.854
1.957
MAX
3.35
4.30
150
125
5.5
2.6
2.5
0.6
5
5
1
UNITS
MHz
mA
µA
µA
µA
ms
µA
°C
°C
V
V
V
V
V
V