MAX1724EZK50+T Maxim Integrated Products, MAX1724EZK50+T Datasheet - Page 3

• Manufacturer Part Number: MAX1724EZK50+T
• Description: IC CONV DC-DC STEPUP 5V TSOT23-5
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1724EZK50+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 150mA
• Voltage - Input: 0.8 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Power - Output: 571mW
• Mounting Style: SMD/SMT
• Efficiency: 90 %
• Input / Supply Voltage (max): 5.5 V
• Input / Supply Voltage (min): 0.8 V
• Maximum Operating Temperature: + 85 C
• Maximum Power Dissipation: 571 mW
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Current: 150 mA
• Output Voltage: 5 V
• Supply Current: 1.5 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MAX1724EZK50+TTR

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted. Typical values are at T
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted.) (Note 1)
Note 1: Limits are 100% production tested at T
Note 2: Guaranteed with the addition of a Schottky MBR0520L external diode between LX and OUT when using the MAX1723
Note 3: Supply current is measured with an ammeter between the output and OUT pin. This current correlates directly with actual
Note 4: V
Shutdown Current into BATT
SHDN Voltage Threshold
SHDN Input Bias Current
BATT
BATT
O utp ut V ol tag e
O utp ut V ol tag e Rang e
Feedback Voltage
N-Channel On-Resistance
P-Channel On-Resistance
N-Channel Switch Current Limit
Switch Maximum On-Time
Synchronous Rectifier Zero-
Crossing Current
Quiescent Current into OUT
SHDN Voltage Threshold
= 1.2V, V
= 1.2V, V
with only one cell, and assumes a 0.3V voltage drop across the Schottky diode (see Figure 3).
battery supply current, but is reduced in value according to the step-up ratio and efficiency.
(MAX1722/MAX1723).
PARAMETER
OUT
PARAMETER
forced to the following conditions to inhibit switching: V
OUT
OUT
_______________________________________________________________________________________
= 3.3V (MAX1722/MAX1723), V
= 3.3V (MAX1722/MAX1723), V
1.5µA I
SYMBOL
SYMBOL
R
R
V
V
V
V
DS(ON)
DS(ON)
IH
V
I
IL
t
V
V
OUT
OUT
LIM
ON
FB
IH
IL
A
MAX1724 (Note 4)
MAX1723/MAX1724
MAX1723/MAX1724
MAX1723/MAX1724,
V
A
= +25°C.) (Note 1)
SHDN
= +25°C. Limits over the operating temperature range are guaranteed by design.
MAX1724EZK27
MAX1724EZK30
MAX1724EZK33
MAX1724EZK50
MAX1722/MAX1723
MAX1722/MAX1723
V
V
V
V
(Notes 3,4)
MAX1723/MAX1724
MAX1723/MAX1724
OUT
OUT
OUT
OUT
Q
OUT
= 5.5V
OUT
forced to 3.3V
forced to 3.3V
forced to 3.3V
forced to 3.3V
, Step-Up DC-DC Converters
= V
= V
OUT(NOM)
CONDITIONS
OUT(NOM)
CONDITIONS
OUT
T
T
T
T
A
A
A
A
(MAX1724), SHDN = OUT, R
= 1.05
(MAX1724), SHDN = OUT, R
= +25°C
= +85°C
= +25°C
= +85°C
✕
V
OUT(NOM)
in Thin SOT23-5
(MAX1724), V
MIN
2.633
2.925
3.218
4.875
1.200
75
MIN
400
3.5
75
2
5
L
L
= ∞, T
0.001
= ∞, T
TYP
0.01
400
500
TYP
2
7
OUT
A
= 3.465V
A
= -40°C to +85°C,
= 0°C to +85°C,
MAX
2.767
3.075
3.383
5.125
1.270
MAX
800
100
0.5
620
800
5.5
1.0
2.0
6.5
3.6
35
UNITS
UNITS
mV
µA
nA
mA
mA
mV
µA
µs
Ω
Ω
V
V
V
3