MAX16929 Datasheet, PDF (9/25 Pages) Maxim Integrated Products – Automotive TFT-LCD Power Supply with Boost Converter and Gate Voltage Regulators

MAX16929
Automotive TFT-LCD Power Supply with Boost
Converter and Gate Voltage Regulators
Typical Operating Characteristics (continued)
(V_INA = 5V, V_INB = 12V, measurements taken on “A” version, unless otherwise noted; V_SH = 12V, V_GH = 18V, V_GL = -6V, V_REG = 3.3V,
V_OUTB = 5V, T_A = +25NC, unless otherwise noted.)
LOAD REGULATION
(GL REGULATOR)
3.0
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0
0 2 4 6 8 10 12 14 16 18 20
LOAD CURRENT (mA)
LINE REGULATION
(GL REGULATOR)
1.0
0.8
0.6
0.4
0.2
ILOAD = 20mA
0
-0.2
-0.4
-0.6
ILOAD = 10mA
-0.8
-1.0
-24 -22 -20 -18 -16 -14 -12 -10 -8 -6
VCN VOLTAGE (V)
LOAD REGULATION
(3.3V LINEAR REGULATOR)
0
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
-0.14
-0.16
-0.18
-0.20
0 50 100 150 200 250 300 350 400 450 500
LOAD CURRENT (mA)
LOAD-TRANSIENT RESPONSE
(3.3V LINEAR REGULATOR)
MAX16929 toc23
450mA
50mA
IOUTB
500mA/div
100µs/div
V_REG
(AC-COUPLED)
100mV/div
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