参数资料
型号: MAX1706
厂商: Maxim Integrated Products, Inc.
元件分类: DC/DC变换器
英文描述: 1- to 3-Cell, High-Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
中文描述: 1至3节电池、大电流、低噪声、升压型DC-DC转换器,带有线性稳压器
文件页数: 8/20页
文件大小: 215K
代理商: MAX1706
M
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
8
_______________________________________________________________________________________
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
200
μ
s/div
MAX1705
LINE-TRANSIENT RESPONSE
M
I
OUT
= 0mA, V
OUT
= 3.3V
A = V
IN
, 1.5V TO2.0V, 200mV/div
B = V
OUT,
10mV/div, 3.3V DC OFFSET
A
B
200
μ
s/div
MAX1705
POWER-ON DELAY
(PWM MODE)
M
V
= 1.2V, LOAD = 1k
A = ONA, 2V/div
B = V
LDO
, 2V/div
C = V
OUT
, 2V/div
D = INDUCTOR CURRENT, 500mA/div
A
C
D
3V
2.5V
3.3V
0mA
B
1
μ
s/div
MAX1705
PWM SWITCHING WAVEFORMS
M
V
IN
= 1.2V, V
OUT
= 4.5V, V
LDO
= 3.3V, I
LDO
= 200mA
A = INDUCTOR CURRENT, 500mA/div
B = LX VOLTAGE, 5V/div
C = V
OUT
RIPPLE, 50m/div AC COUPLED
D = V
RIPPLE, 5m/div AC COUPLED
C5 = 0.33
μ
F
A
B
D
C
0V
1A
V
OUT
V
LDO
2
μ
s/div
MAX1705
PFM SWITCHING WAVEFORMS
M
V
= 1.2V, V
= 4.5V, V
= 3.3V, I
LDO
= 40mA
A = INDUCTOR CURRENT, 500mA/div
B = LX VOLTAGE, 5V/div
C = V
OUT
RIPPLE, 50mV/div AC COUPLED
D = V
RIPPLE, 5mV/div AC COUPLED
C5 = 0.33
μ
F
A
C
D
0mA
0V
V
OUT
V
LDO
B
1ms/div
MAX1705
LINEAR-REGULATOR
OUTPUT NOISE
M
V
LDO
IS AC COUPLED, 1mv/div
I
LDO
= 200mA
C5 = 0.33
μ
F
V
LDO
DC TO500kHz
200
μ
s/div
MAX1705
LOAD-TRANSIENT RESPONSE
M
V
= 1.2V, V
= 3.3V
A = V
OUT
, 50mV/div, 3.3V DC OFFSET
B = I
OUT
, 0mA TO200mA, 200mA/div
A
B
相关PDF资料
PDF描述
MAX1706EEE 1- to 3-Cell, High-Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
MAX1708 High-Frequency, High-Power, Low-Noise, Step-Up DC-DC Converter
MAX1708EEE CHOKE COIL 2.2UH 1000MA SMD
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