MAX1817EUB Maxim Integrated Products, MAX1817EUB Datasheet - Page 6

• Manufacturer Part Number: MAX1817EUB
• Description: IC CONV DUAL DCDC STEP 10-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1817EUB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 3.3V or Adj Main, -28 ~ 28 V or Adj Secondary
• Current - Output: 125mA
• Frequency - Switching: 500kHz
• Voltage - Input: 1.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 444mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Compact, High-Efficiency, Dual-Output
Step-Up DC-DC Converter
(Circuit of Figure 3, T
6
_______________________________________________________________________________________
1.8V
2.4V
0
0
0
0
A: V
B: I
V
A: V
B: V
V
IN
OUT
MAIN OUTPUT TURN-ON/TURN-OFF
A
MAIN LOAD TRANSIENT RESPONSE
A: V
B: I
C: V
V
LOAD, OUT
MAIN LINE TRANSIENT RESPONSE
= 2.4V, V
OUT
OUT,
IN,
IN
= +25°C, unless otherwise specified)
= 3.3V, I
IN
= 2.4V, R
OUT
ON
, 100mV/div, AC-COUPLED
1V/div
, 500mA/div
100mV/div, AC-COUPLED
, 5V/div
, 2V/div
, 50mA/div
OUT
LOAD,MAIN
LOAD,MAIN
= 3.3V
RESPONSE
400µs/div
100µs/div
400µs/div
= 20mA, V
= 165Ω, V
ONLCD
ONLCD
= 0
MAX1817-08
MAX1817-12
MAX1817-10
= 0
Typical Operating Characteristics (continued)
A
B
C
A
B
A
B
2.4V
1.8V
A: V
B: V
V
0
0
0
0
OUT
A: V
B: I
C: V
V
V
A: V
B: I
IN
IN
LCD
IN,
IN
= 3.3V (NO LOAD), V
LOAD, OUT
= 2.4V, V
LCD
ONLCD
= 2.4V, V
LCD
, 200mA/div
1V/div
LCD OUTPUT TURN-ON/TURN-OFF
LCD LOAD TRANSIENT RESPONSE
, 100mV/div, AC-COUPLED
LCD LINE TRANSIENT RESPONSE
, 10V/div
, 50mV/div, AC-COUPLED
, 5V/div
OUT
, 10mA/div
OUT
= 3.3V (NO LOAD), R
= 3.3V (NO LOAD), V
RESPONSE
200µs/div
400µs/div
200µs/div
LCD
= 18V, I
LOAD,LCD
LOAD,LCD
LCD
= 18V
MAX1817-09
MAX1817-13
MAX1817-11
= 2mA
= 9kΩ
A
B
B
C
A
A
B