Rainbow Electronics MAX14821 - Manual (Page 13)

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MAX14821
IO-Link Device Transceiver
Typical Operating Characteristics (continued)
(V
CC
= 24V, LDOIN = V
P
, V
L
= LDO33, C/Q and DO in push-pull configuration, T
A
= +25NC, unless otherwise noted.)
C/Q SHORT-CIRCUIT PROTECTION
MAX14821 toc13
I SINK
100mA/div
TXEN = V L
TXQ = TXC = V L
t SHORT = 200µs
C/Q
10V/div
40µs
IRQ
2V/div
DO SHORT-CIRCUIT PROTECTION
MAX14821 toc14
I SOURCE
100mA /div
DO DRIVER ENABLED
LO = GND
t
SHORT = 500µs
DO
10V/div
100µs
IRQ
2V/div
V 5 LOAD REGULATION
MAX14821 toc15
LOAD CURRENT (mA)
% VOLTAGE CHANGE
40 30 20 10
-0.45
-0.40
-0.35
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0
-0.50
0 50
T A = +25°C
T A = +85°C
T A = -40°C
LDO33 LOAD REGULATION
MAX14821 toc16
LOAD CURRENT (mA)
% VOLTAGE CHANGE
40 45 35 30 25 20 15 5 10
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
-0.7
0 50
T A = +25°C
T A = +85°C
T A = -40°C
V CC SUPPLY CURRENT
vs. V CC VOLTAGE
MAX14821 toc17
V CC VOLTAGE (V)
I CC
(mA)
33 30 24 27 15 18 21 12
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
9 36
T A = +25°C
T A = +85°C
T A = -40°C
V LDOIN = 7V
C/Q AND DO DRIVERS ENABLED
V
5 , V P UNLOADED
C/Q AND DI CURRENT LOADS OFF
TXC = TXQ = LO = V
L
LDOIN SUPPLY CURRENT
vs. LDOIN VOLTAGE
MAX14821 toc18
V LDOIN (V)
I LDOIN
(mA)
33 30 12 15 18 24 21 27
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
9 36
T A = +25°C
T A = +85°C
T A = -40°C
V CC = 36V
C/Q AND DO DRIVERS ENABLED
V
5 , LDO33 ARE LOADED
TXC = TXQ = LO = V L