参数资料
型号: MAX1760HETB+T
厂商: Maxim Integrated Products
文件页数: 5/14页
文件大小: 0K
描述: IC REG BST SYNC 3.3V/ADJ 10TDFN
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: 两者兼有
输出数: 1
输出电压: 3.3V,2.5 V ~ 5.5 V
输入电压: 0.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 1MHz
电流 - 输出: 800mA
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: 10-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-TDFN-EP(3x3)
0.8A, Low-Noise, 1MHz,
Step-Up DC-DC Converter
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V IN = 2.4V, V OUT = 3.3V, T A = +25°C, unless otherwise noted.)
2.5
2.0
1.5
1.0
NO-LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
10
1
TOTAL SHUTDOWN CURRENT
(I LX + I OUT ) vs. INPUT VOLTAGE
1.20
1.15
1.10
1.05
1.00
0.95
0.90
INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
0.5
V OUT = 3.3V
V OUT = 5V
0.85
0.80
0.0
0
1
2
3
4
5
0.1
0
1
2
3
4
5
6
0.75
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
STARTUP VOLTAGE
vs. OUTPUT CURRENT
INPUT VOLTAGE (V)
PEAK INDUCTOR CURRENT vs. V ISET
TEMPERATURE ( ° C)
HEAVY-LOAD SWITCHING WAVEFORMS
3.0
A = +85 ° C
1.4
2.5
2.0
B = +25 ° C
C = -40 ° C
1.2
1.0
A
1.5
A
B
C
0.8
B
0.6
1.0
0.5
0.4
0.2
C
0V
0.0
CIRCUIT OF FIGURE 6
0.0
0.001
0.01
0.1
1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
A = LX PIN, 5V/div
A
B
C
OUTPUT CURRENT (A)
LIGHT-LOAD SWITCHING WAVEFORMS
t = 400ns/div
A = LX PIN, 5V/div
B = INDUCTOR CURRENT, 200mA/div
C = OUTPUT RIPPLE, 50mV/div, AC-COUPLED
A
B
V ISET (V)
LOAD-TRANSIENT RESPONSE
t = 200ms/div
V IN = 1.1V, V OUT = 3.3V, I OUT = 0 AND 0.2A
A = I OUT , 100mA/div
B = V OUT , 50mV/div, AC-COUPLED
A
B
B = INDUCTOR CURRENT, 200mA/div
C = OUTPUT RIPPLE, 50mV/div AC-COUPLED
t = 400ns/div
LINE-TRANSIENT RESPONSE
400 μ s/div
V IN = 2.4V TO 1.4V, I OUT = 70mA
A = V IN , 1V/div
B = V OUT , 5mA/div, AC-COUPLED
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5
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