MAX1705EEE+T Maxim Integrated Products, MAX1705EEE+T Datasheet - Page 7

• Manufacturer Part Number: MAX1705EEE+T
• Description: IC DC-DC CONV LN 16-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1705EEE+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.5 ~ 5.5 V
• Current - Output: 850mA
• Frequency - Switching: 300kHz
• Voltage - Input: 0.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Power - Output: 696mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Step-Up DC-DC Converters with Linear Regulator
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 2, T
60
50
40
30
20
10
0
100
LINEAR-REGULATOR POWER-SUPPLY
REJECTION RATIO vs. FREQUENCY
_______________________________________________________________________________________
A
= +25°C, unless otherwise noted.)
1k
FREQUENCY (Hz)
10k
1- to 3-Cell, High-Current, Low-Noise,
0V
0V
1k
1k
100k
V
V
I
C5 = 0.33µF
LDO
OUT
LDO
= 200mA
= 4V TO 5V
= 3.3V
1M
(V
LDO
10M
LINEAR-REGULATOR OUTPUT NOISE SPECTRUM
10k
10k
= 3.3V, V
(V
OUT
= 4.5V, V
NOISE SPECTRUM AT POUT
OUT
FREQUENCY (Hz)
FREQUENCY (Hz)
= 4.5V, V
MAX1705
MAX1705
IN
100k
100k
= 1.2V, 200mA LOAD)
IN
= 1.2V, I
100
0.1
10
1
0
LDO
1
1M
1M
= 200mA)
STABLE REGION
50
REGION OF STABLE C6 ESR
LINEAR-REGULATOR
vs. LOAD CURRENT
LOAD CURRENT (mA)
100
C2 = 22pF (FEED FORWARD)
150
10M
10M
UNCOMPENSATED
200
C6 = 22µF
250
300
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