MAX8627ETD+T Maxim Integrated Products, MAX8627ETD+T Datasheet - Page 4

• Manufacturer Part Number: MAX8627ETD+T
• Description: IC CONV BOOST SYNC 14-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX8627ETD+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3 ~ 5 V
• Current - Output: 1A
• Frequency - Switching: 1MHz
• Voltage - Input: 0.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Power - Output: 1.45W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low V
Boost Converter with True Shutdown
(Circuit of
4
5.12
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
100
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
_______________________________________________________________________________________
0
0
0.01
0.01
1.5
V
OUTPUT VOLTAGE vs. LOAD CURRENT
BATT
Figure
EFFICIENCY vs. LOAD CURRENT
= 3.0V
0.1
0.1
V
V
SHUTDOWN CURRENT
2.5
V
BATT
vs. INPUT VOLTAGE
WITH 3.3V OUTPUT
BATT
BATT
1, V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
INPUT VOLTAGE (V)
BATT
BATT
T
V
= 3.6V
= 4.2V
A
= 3.0V
BATT
V
= 40°C
1
1
BATT
T
OUTS
= 2.4V
A
= +85°C
V
= 1.5V
3.5
BATT
= 1.8V
= V
V
10
10
= 1.8V
BATT
POUT
= 2.4V
T
4.5
, 20µA IQ, 1MHz Synchronous
A
100
100
= +25°C
= 5V, V
1000
1000
5.5
ON
= V
100
BATT
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.01
1.0
vs. INPUT VOLTAGE WITH 3.3V OUTPUT
0
STARTUP VOLTAGE vs. LOAD CURRENT
V
= 3.6V, T
BATT
T
T
T
A
A
EFFICIENCY vs. LOAD CURRENT
A
= +25°C
= +25°C
= +85°C
= 4.2V
NO-LOAD INPUT CURRENT
200
0.1
1.5
T
A
OUTPUT ONLY LOADED WITH THE FB
= 40°C
T
WITH 5V OUTPUT
WITH 5V OUTPUT
A
LOAD CURRENT (mA)
RESISTOR-DIVIDER NETWORK.
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
A
= 40°C
R1 = 1.15MΩ, R2 = 499kΩ
V
= +25°C, unless otherwise noted.)
400
2.0
BATT
1
T
A
V
= 1.8V
= +85°C
BATT
2.5
600
Typical Operating Characteristics
10
V
= 2.4V
BATT
V
= 3.0V
BATT
100
800
3.0
= 3.6V
1000
1000
3.5
180
160
140
120
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
0
0
6
5
4
3
2
1
0
1.0
1
0
SOFT-START TIME vs. LOAD CURRENT
vs. INPUT VOLTAGE WITH 5V OUTPUT
T
A
= +25°C
MAXIMUM LOAD CURRENT
T
NO-LOAD INPUT CURRENT
0.1
A
2.0
V
= 40°C
OUTPUT ONLY LOADED WITH THE FB
POUT
2
vs. INPUT VOLTAGE
RESISTOR-DIVIDER NETWORK.
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
LOAD CURRENT (A)
T
= 3.3V
A
R1 = 2MΩ, R2 = 499kΩ
0.2
= +85°C
3.0
3
V
POUT
0.3
= 5V
4.0
4
0.4
5.0
0.5
5