IC-DC_17 Datasheet, PDF (7/19 Pages) IC-Haus GmbH – 2-CHANNEL BUCK/BOOST DC/DC CONVERTER

iC-DC
2-CHANNEL BUCK/BOOST DC/DC CONVERTER
Rev B1, Page 7/19
ELECTRICAL CHARACTERISTICS
Operating conditions: VB = +4 V to +36 V, RREF = 20 kΩ ±1 %, Tj = -40°C to +125°C, reference is GND (GNDA = GND),
unless otherwise stated.
Item Symbol Parameter
No.
Conditions
Unit
Min. Typ. Max.
Total Device
001 VB
Permissible Supply Voltage
4
36
V
002 I()
Supply Current in VB
ENV1 = lo, ENV2 = lo, standby
20 100 400 µA
003 I()
Supply Current in VB
only one Linear Regulator active,
no load current, no external voltage divider
VB = 24 V
VB = 12 V
VB = 4 V
1.5
3
8
mA
2.5 5.5
15
mA
10
22
60
mA
004 I()
Supply Current in VB
both Linear Regulators active, no load current,
no external voltage divider
VB = 24 V
2
4
10
mA
VB = 12 V
3
7
20
mA
VB = 4 V
12
25
70
mA
007 Ipd()
Pull-Down Current in ENV1,
ENV2
V() = 2...36 V
15
150 µA
009 Vt()hi
Input Threshold Voltage hi at
ENV1, ENV2
2
V
010 Vt()lo
Input Threshold Voltage lo at
ENV1, ENV2
0.8
V
011 Vt()hys Input Hysteresis at ENV1, ENV2 Vt()hys = Vt()hi − Vt()lo
100 200 400 mV
012 Vc()lo
Clamp Voltage lo at all pins with versus GND, I() = -10 mA
exception of VB
-1.4
-0.3
V
013 Vc()lo
Clamp Voltage lo at VB
versus GND, I() = -5 mA
-60
-38.5 V
014 Vc()hi
Clamp Voltage hi at VB VBR,
VBL, ENV1, ENV2
versus GND, I() = 2 mA
42
60
V
015 Vc()hi
Clamp Voltage hi at VBROK,
NAUT, TOK, TEST
versus GND, I() = 1 mA
9
18
V
016 Vc()hi
Clamp Voltage hi at VH
versus GND, I() = 5 mA
8.3
18
V
017 Vc()hi
Clamp Voltage hi at VH1, VH2 versus GND, I() = 10 mA
6.2
18
V
018 Vc()hi
Clamp Voltage hi at VCC1,
VCC2, POE1, POE2, CFG1,
CFG2
versus GND, I() = 10 mA
5.6
18
V
019 Vc()hi
Clamp Voltage hi at GNDA,
RREF
versus GND, I() = 10 mA
2.5
18
V
020 Vc()hi
Clamp Voltage hi at V1OK, V2OK V1OK versus VCC1, V2OK versus VCC2,
0.3
I() = 2 mA
1.4
V
021 Vc()hi
Clamp Voltage hi at VHL
versus VH, I() = 10 mA
0.3
1.4
V
Reverse Polarity Protection VB, VBR and Autarky Detection NAUT
101 Vs()hi
Saturation Voltage hi at VBR
Vs(VBR)hi = VB − V(VBR), I(VBR) = -100 mA
0.3 0.7
V
103 Izu()
Maximum Permissible Current hi V(VBR) = 0...3 V, VB increasing
from VBR at Startup
-5
0
mA
104 Imax()
Maximum Current from VBR
V(VBR) = 2 V...VB − 0.6 V
-600
-80 mA
105 Imax()
Maximum Current from VBR
V(VBR) = 0 V
-250
-10 mA
108 Ir()
Leakage Current from VB at
Autarky
VBR > VB + 50 mV
-0.5
0
mA
109 d(VB,VBR) Voltage Difference for Autarky VBR versus VB; NAUT = lo
25 12.5
0
mV
110 Ir,max() Maximum Current from VB
VB < VBR < VB + 50 mV
-10
-4
0
mA
111 Ir()
Reverse Current from VB
-36V < VB < GND
-1
0
mA
112 Vs()lo
Saturation Voltage lo at NAUT I(NAUT) = 5 mA, NAUT = lo
0.4
V
113 Isc()lo
Short-Circuit Current lo in NAUT V(NAUT) = 2...8 V, NAUT = lo
10
20
mA
114 Ilk()
Leakage Current in NAUT
V(NAUT) = 0...8 V, NAUT = hi
-10
10
µA
Voltage Monitoring VBR and Error Detection VBROK
201 Vt1()hi Lower Turn-on Threshold VBR VBR increasing, VBROK: lo → open
3.75 3.95
V
202 Vt1()lo Lower Turn-off Threshold VBR VBR decreasing, VBROK: open → lo
2.8 3.15
V