IC-DC IC-Haus, IC-DC Datasheet - Page 8

• Manufacturer Part Number: IC-DC
• Description: 2-CHANNEL BUCK/BOOST DC/DC CONVERTER
• Manufacturer: IC-Haus

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Item
No.
ELECTRICAL CHARACTERISTICS
Operating conditions: VB = +4 V to +36 V, RREF = 20 k ±1 %, Tj = -40°C to +125°C, reference is GND (GNDA = GND),
unless otherwise stated.
Switching Regulator VH, VH1, VH2
Bias, Oscillator and Reference RREF
iC-DC
2-CHANNEL BUCK/BOOST DC/DC CONVERTER
203
204
205
206
210
211
212
213
305
307
308
309
311
312
313
315
316
330
331
332
333
334
335
401
402
403
Symbol
Vt1()hys
Vt2()hi
Vt2()lo
Vt2()hys
Vs()lo
Isc()lo
Ilk()
V(VBR)
V()
CVH
RiVH
V()
CVH1
RiCVH1
V()
CVH2
RiCVH2
V()
R()
Isc()
VH
VH
VH1
VH1
VH2
VH2
Parameter
Hysteresis VBR
Overvoltage Detection at VBR
Reset Overvoltage Detection at
VBR
Hysteresis VBR
Saturation Voltage lo at VBROK
Short-Circuit Current lo in
VBROK
Leakage Current in VBROK
Minimal Supply Voltage for
VBROK Function
Voltage at VH
Required Capacitor at VH
Permissible Internal Resistance
of Capacitor at VH
Voltage at VH1
Required Capacitor at VH1
Permissible Internal Resistance
of Capacitor at VH1
Voltage at VH2
Required Capacitor at VH2
Permissible Internal Resistance
of Capacitor at VH2
Efficiency of Switching Converter
VH
Efficiency of Switching Converter
VH
Efficiency of Switching Converter
VH1
Efficiency of Switching Converter
VH1
Efficiency of Switching Converter
VH2
Efficiency of Switching Converter
VH2
Voltage at RREF
Permissible Resistor at RREF
Short-Circuit Current lo in RREF V(RREF) = 0 V
Conditions
Vt1()hys = Vt1()hi
VBR increasing,
VBROK: open
VBR decreasing,
VBROK: lo
Vt2()hys = Vt2()hi
I(VBROK) = 5 mA, VBROK = lo
V(VBROK) = 2..8 V, VBROK = lo
V(VBROK) = 0..8 V, VBROK = hi
I(VBROK) = 5 mA, VBROK = lo,
Vs(VBROK)lo < 0.4 V
LVBH = 22 µH ±20 %, Ri(LVBH) < 1.1 ,
CVH = 1 µF;
VB
VB > 5 V, I(VH) = -100 mA,
VB
VB
tolerance ±30 %
versus VCC1, CVH1 = 1 µF,
VB
VB > 5 V, I(VH1) = -100 mA,
VB
VB
tolerance ±30 %
versus VCC2, CVH2 = 1 µF,
VB
VB > 5 V, I(VH2) = -100 mA,
VB
VB
tolerance ±30 %
VB = 4 V, V(VH) > 7 V, VB = VBR,
VH1 > VCC1 + 800 mV, VH2 > VCC2 + 800 mV
VB = 6.5 V, V(VH) > 7 V, VB = VBR,
VH1 > VCC1 + 800 mV, VH2 > VCC2 + 800 mV
VB = 4 V, V(VH) > 8.1 V, VB = VBR,
ENV1 = hi, ENV2 = lo
VB = 4 V, V(VH) > 8.1 V, VB = VBR,
ENV1 = lo, ENV2 = hi
VB = 6.5 V, V(VH) > 8.1 V, VB = VBR,
ENV1 = lo, ENV2 = hi
resistor RREF = 20 k ±1 %,
resistor RREF versus GNDA
±1 %
5 V, I(VH) = -50 mA,
12 V, I(VH) = -200 mA,
24 V, I(VH) = -300 mA
5 V, I(VH1) = -50 mA,
12 V, I(VH1) = -200 mA,
24 V, I(VH1) = -300 mA
5V, I(VH2) = -50 mA,
12 V, I(VH2) = -200 mA,
24 V, I(VH2) = -300 mA
open
lo
Vt1()lo
Vt2()lo
Min.
7.25
7.25
7.25
1.18
19.6
300
300
300
-10
3.2
35
70
80
70
80
70
80
-3
1
7
1
1
1
Typ.
40.4
37.6
7.75
7.75
7.75
7.75
1.24
600
400
400
2.8
Rev A3, Page 8/19
Max.
600
600
-0.5
0.4
1.3
42
50
10
34
4
8
8
8
8
1
1
1
Unit
mV
mA
mV
mV
mA
µA
µF
µF
µF
k
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
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