MAX16909_12 Datasheet, PDF (8/18 Pages) Maxim Integrated Products – 36V, 220kHz to 1MHz Step-Down Converter with Low Operating Current

MAX16909
36V, 220kHz to 1MHz Step-Down Converter
with Low Operating Current
Typical Operating Characteristics (continued)
(V_SUP = V_SUPSW = V_EN = 14V, V_OUT = 1.8V, R1 = 80.6kΩ, R2 = 100kΩ, T_A = +25NC (Figure 4), unless otherwise noted.)
VBIAS LOAD REGULATION
(1.8V/400kHz)
5.20
5.18
5.16
5.14
5.12
5.10
5.08
5.06
TA = -40°C
5.04
5.02
5.00
4.98
TA = 125°C
TA = 25°C
4.96
4.94
4.92
4.90
0 2 4 6 8 10 12 14 16 18 20
IBIAS (mA)
ISHDN vs. SUPPLY VOLTAGE
20
18 ^{VEN = 0V}
VIN = 14V
16
14
12
10
TA = 125°C
8
TA = -40°C
6
4
2
TA = 25°C
0
3 10 17 24 31 38 45
SUPPLY VOLTAGE (V)
ISHDN vs. TEMPERATURE
6
6 ^{VEN = 0V}
6
5
5
5
5
5
4
4
4
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VIN
VOUT
V_LX
V_PGOOD
DIPS AND DROP TEST
(1.8V/400kHz)
MAX16909 toc21
0.6I RESISTIVE LOAD
10V/div
0V
2V/div
0V
10V/div
10ms/div
0V
5V/div
0V
LINE TRANSIENT TEST
(1.8V/400kHz)
MAX16909 toc22
VIN
1.8V/400kHz
0.6I LOAD
VOUT
VLX
10V/div
0V
2V/div
0V
10V/div
0V
V_PGOOD
10ms/div
5V/div
0V
Maxim Integrated
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