MAX14569 Datasheet, PDF (7/14 Pages) Maxim Integrated Products – Dual-Pair LLT with Charge Pump and High-ESD Protection

Dual-Pair LLT with Charge Pump
and High-ESD Protection
Typical Operating Characteristics
(VBAT = 3.6V, VL = 3V, CVBAT = 1FF, CVCC = 2.2FF, CVL = 0.1FF, connect 0.47FF capacitor between CP1 and CP2, data rate =
1Mbps, TA = +25NC, unless otherwise noted.)
VBAT SHUTDOWN SUPPLY CURRENT
vs. VBAT VOLTAGE
5.0
4.5 ^{VENAB = VENCD = 0V}
VINAVL = VINCVL = 0V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.3
3.1
3.9
4.7
5.5
VBAT VOLTAGE (V)
VBAT SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
10
9
VENAB = VENCD = 0V
VINAVL = VINCVL = 0V
8
7
6
5
4
VBAT = 4.5V
3
VBAT = 3.6V
2
VBAT = 2.7V
1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
VL SHUTDOWN SUPPLY CURRENT
vs. VL VOLTAGE
0.50
0.45 ^{VENAB = VENCD = 0V}
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
1.6
2.1
2.6
3.1
3.6
VL VOLTAGE (V)
VL SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
0.8
VENAB = VENCD = 0V
0.7
0.6
0.5
VL = 3.3V
0.4
VL = 2.7V
0.3
VL = 1.8V
0.2
0.1
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
CP_ OPERATING FREQUENCY
vs. VBAT
1000
990
980
970
960
TA = -40°C
950
TA = 25°C
940
TA = 85°C
930
920
910
900
2.3
3.2
4.1
5.0
VBAT (V)
VCC SHORT-CIRCUIT CURRENT
vs. VBAT
1000
900 ^{OUTAVCC/OUTCVCC}
SHORT-TO-GROUND
800
700
TA = -40°C
600
TA = 25°C
500
TA = 85°C
400
300
200
100
0
2.3
3.2
4.1
5.0
VBAT (V)
CP_ LINE REGULATION
(VCC vs. VBAT)
5.10
5.08 ^{ENAB = ENCD = HIGH}
ICC = 10mA
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
2.7 3.0 3.3 3.6 3.9 4.2 4.5
VBAT (V)
CP_ LOAD REGULATION
(VCC vs. ICC)
5.2
ENAB = ENCD = HIGH
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0 5 10 15 20 25 30 35 40
ICC (mA)
OUTPUT RIPPLE vs. LOAD CURRENT
200
180
ENAB = ENCD = HIGH
VBAT = 3.6V
160
140
120
100
80
60
40
20
0
0 5 10 15 20 25 30 35 40
ICC (mA)
7