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参数资料
| 型号： | MAX8627ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 1A 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 3 V ~ 5 V |
| 输入电压： | 0.9 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
MAX8627
Low V BATT , 20μA IQ, 1MHz Synchronous
Boost Converter with True Shutdown
Typical Operating Characteristics
(Circuit of Figure 1, V OUTS = V POUT = 5V, V ON = V BATT = 3.6V, T A = +25 ° C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
WITH 3.3V OUTPUT
EFFICIENCY vs. LOAD CURRENT
WITH 5V OUTPUT
MAXIMUM LOAD CURRENT
vs. INPUT VOLTAGE
100
90
V BATT = 3.0V
100
90
V BATT = 4.2V
3.5
3.0
80
80
70
60
50
40
V BATT = 2.4V
V BATT = 1.8V
V BATT = 1.5V
70
60
50
40
V BATT = 3.6V
V BATT = 3.0V
V BATT = 2.4V
V BATT = 1.8V
2.5
2.0
1.5
V POUT = 3.3V
30
30
1.0
20
10
0
20
10
0
0.5
0
V POUT = 5V
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
1.0
2.0
3.0
4.0
5.0
LOAD CURRENT (mA)
OUTPUT VOLTAGE vs. LOAD CURRENT
LOAD CURRENT (mA)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE WITH 3.3V OUTPUT
INPUT VOLTAGE (V)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE WITH 5V OUTPUT
5.12
5.10
90
80
R1 = 1.15M ? , R2 = 499k ?
OUTPUT ONLY LOADED WITH THE FB
180
160
R1 = 2M ? , R2 = 499k ?
OUTPUT ONLY LOADED WITH THE FB
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
V BATT = 4.2V
V BATT = 3.6V
V BATT = 3.0V
V BATT = 2.4V
V BATT = 1.8V
70
60
50
40
30
20
10
RESISTOR-DIVIDER NETWORK.
T A = +85°C
T A = +25°C
T A = 40 ° C
140
120
100
80
60
40
20
RESISTOR-DIVIDER NETWORK.
T A = +85°C
T A = +25°C
T A = 40 ° C
4.92
0
0
0.01
0.1
1
10
100
1000
1.0
1.5
2.0
2.5
3.0
3.5
1
2
3
4
5
700
600
LOAD CURRENT (mA)
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
3.0
2.5
INPUT VOLTAGE (V)
STARTUP VOLTAGE vs. LOAD CURRENT
WITH 5V OUTPUT
6
5
INPUT VOLTAGE (V)
SOFT-START TIME vs. LOAD CURRENT
500
400
T A = +85°C
2.0
T A = +25°C
4
300
1.5
3
200
100
0
T A = 40 ° C
T A = +25°C
1.0
0.5
0
T A = 40 ° C
T A = +85°C
2
1
0
1.5
2.5
3.5
4.5
5.5
0
200
400
600
800
1000
0
0.1
0.2
0.3
0.4
0.5
4
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
LOAD CURRENT (A)
Maxim Integrated
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