参数资料
型号: MAX1706EEE+T
厂商: Maxim Integrated Products
文件页数: 6/18页
文件大小: 0K
描述: IC REG BOOST ADJ 0.4A 16QSOP
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: 2.5 V ~ 5.5 V
输入电压: 0.7 V ~ 5.5 V
频率 - 开关: 260kHz ~ 340kHz
电流 - 输出: 400mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 16-QSOP
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
Typical Operating Characteristics
(Circuit of Figure 2, T A = +25°C, unless otherwise noted.)
MAX1705
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 3.3V)
MAX1705
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 5V)
MAX1705
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
100
90
80
70
60
50
40
30
20
10
B.1
A.1
B.2
A.2
L = 10 μ H
V OUT = 3.3V
A: V IN = 0.9V
B: V IN = 2.7V
1: PFM MODE
2: PWM MODE
100
90
80
70
60
50
40
30
20
10
B.1
C.1
A.1
B.2 C.2
A.2
L = 10 μ H
V OUT = 5V
A: V IN = 0.9V
C: V IN = 2.4V
E: V IN = 3.6V
1: PFM MODE
2: PWM MODE
1000
900
800
700
600
500
400
300
200
100
L = 10 μ H
PWM MODE
V OUT = 3.3V
V OUT = 3.3V
V OUT = 5V
PFM MODE
V OUT = 5V
0
0
0
0.1
1
10
100
1000
0.1
1
10
100
1000
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
100
OUTPUT CURRENT (mA)
MAX1706
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 3.3V)
100
OUTPUT CURRENT (mA)
MAX1706
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 5V)
700
INPUT VOLTAGE (V)
MAX1706
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
90
80
70
60
50
40
A.1
B.1
B.2
A.2
L = 22 μ H
90
80
70
60
50
40
C.1
A.1
B.1
A.2
B.2 C.2
L = 22 μ H
V OUT = 5V
600
500
400
300
L = 22 μ H
PWM MODE
V OUT = 3.3V
V OUT = 5V
30
20
10
V OUT = 3.3V
A: V IN = 0.9V
B: V IN = 2.7V
1: PFM MODE
2: PWM MODE
30
20
10
A: V IN = 0.9V
B: V IN = 2.4V
C: V IN = 3.6V
1: PFM MODE
2: PWM MODE
200
100
V OUT = 3.3V
V OUT = 5V
PFM MODE
0
0
0
0.1
1
10
100
1000
0.1
1
10
100
1000
0
0.5 1.0 1.5 2.0 2.5
3
3.5
4
4.5
2.3
OUTPUT CURRENT (mA)
MAX1705
STARTUP INPUT VOLTAGE
vs. OUTPUT CURRENT
12
OUTPUT CURRENT (mA)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
140
INPUT VOLTAGE (V)
LINEAR-REGULATOR DROPOUT
VOLTAGE vs. LOAD CURRENT
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
NO-LOAD STARTUP:
1.0V AT -40 ° C
0.79 AT +25 ° C
0.64V AT +85 ° C
CONSTANT-CURRENT LOAD
V OUT = 3.3V
L = 10 μ H
D1 = MBR0520L
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
11
10
9
8
7
6
5
4
3
2
1
0
PWM MODE
PFM MODE
V OUT = 3.3V
L = 10 μ H
120
100
80
60
40
20
0
V LDO = 2.5V
V LDO = 3.3V
V LDO = 5V
0.01
0.1
1
10
100
1000
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0
40
80
120
160
200
OUTPUT CURRENT (mA)
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
6
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