MAX17117 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX17117
Maxim Integrated
MAX17117 Datasheet PDF : 22 Pages
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Internal-Switch Boost Regulator with Integrated
7-Channel Scan Driver, Op Amp, and LDO
(TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
LDO LINE REGULATION
vs. INPUT VOLTAGE
0.15
0.12
0.09
ILDO = 250mA
0.06
0.03
ILDO = 100mA
0
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
IN VOLTAGE (V)
POWER-UP SEQUENCE
(CK1 AND ST CONNECTED TO VLDO)
V MAX17117 toc09
IN
5V/div
0V
VLDO
5V/div
0V
VMAIN
10V/div
0V
VGHON
20V/div
0V
0V
VVGL
10V/div
VSTH
0V
50V/div
VCKH1
0V
50V/div
0V
VVGLC
40ms/div
20V/div
OPERATIONAL AMPLIFIER
LOAD-TRANSIENT RESPONSE
MAX17117 toc10
VVCOM
(AC-COUPLED)
1V/div
0mV
OPERATIONAL AMPLIFIER
LARGE-SIGNAL STEP RESPONSE
MAX17117 toc11
VPOS
2V/div
0V
0mA
IVCOM
100mA/div
VVCOM
2V/div
0V
2µs/div
200ns/div
OPERATIONAL AMPLIFIER
SMALL-SIGNAL STEP RESPONSE
MAX17117 toc12
0mV
VPOS
(AC-COUPLED)
100mV/div
VVCOM
(AC-COUPLED)
0mV
100mV/div
200ns/div
CKH_ OUTPUT WAVEFORMS WITH LOGIC
INPUT AND GATE-SHADING CONTROL
MAX17117 toc13
VCK1
5V/div
0V
VCK2
0V
5V/div
VDTS
0V
2V/div
VCKH1
20V/div
0V
VCKH2
20V/div
0V
4µs/div
8 _______________________________________________________________________________________
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