![](http://datasheet.mmic.net.cn/Maxim-Integrated-Products/MAX14821ETG-_datasheet_98124/MAX14821ETG-_13.png)
MAX14821
IO-Link Device Transceiver
13
Maxim Integrated
Typical Operating Characteristics (continued)
(VCC = 24V, LDOIN = VP, VL = LDO33, C/Q and DO in push-pull configuration, TA = +25NC, unless otherwise noted.)
C/Q SHORT-CIRCUIT PROTECTION
MAX14821 toc13
ISINK
100mA/div
TXEN = VL
TXQ = TXC = VL
tSHORT = 200s
C/Q
10V/div
40s
IRQ
2V/div
LDOIN SUPPLY CURRENT
vs. LDOIN VOLTAGE
MAX14821
toc14
VLDOIN (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
936
TA = +25°C
TA = +85°C
TA = -40°C
VCC = 36V
C/Q AND DO DRIVERS ENABLED
V5, LDO33 ARE LOADED
TXC = TXQ = LO = VL
V5 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
050
TA = +25°C
TA = +85°C
TA = -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
050
TA = +25°C
TA = +85°C
TA = -40°C
VCC SUPPLY CURRENT
vs. C/Q DATA RATE
MAX14821
toc17
C/Q DATA RATE (kbps)
I CC
(mA)
100
10
2
4
6
8
10
12
14
16
18
0
11k
VLDOIN = V5 = 5V
TXEN = VL
HiSlew = 1
NO LOAD ON C/Q
VCC = 36V
VCC = 30V
VCC = 24V
VCC SUPPLY CURRENT
vs. VCC VOLTAGE
MAX14821
toc18
VCC 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
936
TA = +25°C
TA = +85°C
TA = -40°C
VLDOIN = 7V
C/Q AND DO DRIVERS ENABLED
V5, VP UNLOADED
C/Q AND DI CURRENT LOADS OFF
TXC = TXQ = LO = VL