Typical operating characteristics (continued) – Rainbow Electronics MAX867 User Manual
Page 4
MAX866/MAX867
3.3V/5V or Adjustable-Output,
Single-Cell DC-DC Converters
4
_______________________________________________________________________________________
____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, T
A
= +25°C, unless otherwise noted.)
1.5
1.4
1.3
1.2
1.1
1.0
0.8
0.5
0.1
1
100
START-UP INPUT VOLTAGE vs. LOAD CURRENT
(V
OUT
= 3.3V)
0.7
0.6
0.9
MAX186-14A
MAX866/67-07
LOAD CURRENT (mA)
START-UP INPUT VOLTAGE (V)
10
100µH
47µH
220µH
330µH
1mH
1.5
1.4
1.3
1.2
1.1
1.0
0.8
0.5
0.1
1
100
START-UP INPUT VOLTAGE vs. LOAD CURRENT
(V
OUT
= 5V)
0.7
0.6
0.9
MAX186-14A
LOAD CURRENT (mA)
START-UP INPUT VOLTAGE (V)
10
100µH
47µH
220µH
330µH
MAX866/67-08
1
10
1000
INPUT VOLTAGE vs. LOAD CURRENT
(V
OUT
= 3.3V)
MAX186-14A
MAX866/67-09
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
100
100µH
47µH
22µH
330µH
1mH
3.0
2.5
1.5
0
1.0
0.5
2.0
1
10
1000
INPUT VOLTAGE vs. LOAD CURRENT
(V
OUT
= 5V)
MAX186-14A
MAX866/67-10
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
3.0
2.5
1.5
0
1.0
0.5
2.0
100
22µH
330µH
47µH
100µH
A: 3.3V OUTPUT VOLTAGE, AC COUPLED 20mV/div
B: INPUT VOLTAGE (0.9V AND 1.4V) 500mV/div
I
LOAD
= 10mA, C
OUT
= 47
µ
F
MAX866 LINE-TRANSIENT RESPONSE
(3.3V MODE)
1ms/div
A
B
5
0
REFERENCE VOLTAGE
vs. REFERENCE CURRENT
6
10
MAX866/67-11
REFERENCE LOAD CURRENT (
µ
A)
V
REF
LOAD REGULATION (mV)
8
7
100
200
9
50
150
250
4
3
2
1
0
A: 5.0V OUTPUT VOLTAGE, AC COUPLED 20mV/div
B: INPUT VOLTAGE (0.9V AND 1.4V) 500mV/div
I
LOAD
= 10mA, C
OUT
= 47
µ
F
MAX866 LINE-TRANSIENT RESPONSE
(5V MODE)
1ms/div
A
B