MAX1790 Maxim, MAX1790 Datasheet - Page 11

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MAX1790

Manufacturer Part Number
MAX1790
Description
Low-Noise Step-Up DC-DC Converter
Manufacturer
Maxim
Datasheet

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Figure 4. Multiple-Output, Low-Profile (1.2mm max) TFT LCD Power Supply
3.0V TO 3.6V
C1
+26V
______________________________________________________________________________________
5mA
V2
470pF
0.47µF
150k
1µF
Low-Noise Step-Up DC-DC Converter
1µF
D2
18pF
IN
FREQ
SHDN
COMP
L1
D3
MAX1790
0.1µF
0.1µF
GND
LX
FB
SS
1µF
D1
44.2k
274k
27nF
D4
C2
C1, C2, C3, C4: TAIYO YUDEN LMK325BJ335MD (3.3µF, 10V)
D1: ZETEX ZHCS1000 (20V, 1A, SCHOTTKY) OR MOTOROLA MBRM120ET3
D2, D3, D4: ZETEX BAT54S (30V, 200mA, SCHOTTKY)
L1: SUMIDA CLQ4D10-6R8 (6.8µH, 0.8A) OR SUMITOMO CXLM120-6R8
3.3µF
C3
V3
-9V
10mA
C4
V1
9V
150mA
11

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