IC-DC_17 Datasheet, PDF (9/19 Pages) IC-Haus GmbH – 2-CHANNEL BUCK/BOOST DC/DC CONVERTER

iC-DC
2-CHANNEL BUCK/BOOST DC/DC CONVERTER
Rev B1, Page 9/19
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
Min. Typ.
404 fos
Oscillator Frequency
resistor RREF = 20 kΩ ±1 %,
1.8
resistor RREF versus GNDA
Linear Regulator VCC1
501 VCC1_nom,hi Output Voltage
CFG1 = VCC1;
VB < 5 V, I(VCC1) = -60...10 mA,
VB ≥ 5 V, I(VCC1) = -100...10 mA,
VB ≥ 6.5 V, I(VCC1) = -150...10 mA,
VB ≥ 12 V, I(VCC1) = -200..10 mA,
VB ≥ 24 V, I(VCC1) = -250...10 mA
4.75
5
502 VCC1_nom,lo Output Voltage
CFG1 = GNDA;
VB < 5 V, I(VCC1) = -100...10 mA,
VB ≥ 5 V, I(VCC1) = -150...10 mA,
VB ≥ 6.5 V, I(VCC1) = -200...10 mA,
VB ≥ 16 V, I(VCC1) = -300...10 mA,
VB ≥ 24 V, I(VCC1) = -350...10 mA,
3.135 3.3
503 Vr(CFG1) Transmission Ratio of external V(VCC1) =
0.2
Voltage Divider R(VCC1/CFG1) / (1 + R(VCC1/CFG1) / R(CFG1/GNDA)) *
R(CFG1/GNDA)
V(RREF),
R(VCC1/CFG1) + R(CFG1/GNDA) =
10 kΩ...50 kΩ ±1 %, V(VCC1) = 1.5...5.5 V
504 CVCC1
Required Capacitor at VCC1
versus GNDA
tolerance ±30 %
1
4.7
505 RiCVCC1 Permissible Internal Resistance
of Capacitor at VCC1
506 VCC1,lir Line Regulation
I(VCC1) = -100 mA, VB = 8...30 V
-20
507 VCC1,lor Load Regulation
VB = 24 V, I(VCC1) = 0...200 mA
-20
508 VCC1rip Output Ripple
I(VCC1) = -100mA
10
Linear Regulator VCC2
601 VCC2_nom,hi Output Voltage
CFG2 = VCC2;
VB < 5 V, I(VCC2) = -100...10 mA,
VB ≥ 5 V, I(VCC2) = -150...10 mA,
VB ≥ 6.5 V, I(VCC2) = -200...10 mA,
VB ≥ 16 V, I(VCC2) = -300...10 mA,
VB ≥ 24 V, I(VCC2) = -350...10 mA
3.135 3.3
602 VCC2_nom,lo Output Voltage
CFG2 = GNDA;
VB < 5 V, I(VCC2) = -150...10 mA,
VB ≥ 5 V, I(VCC2) = -200...10 mA,
VB ≥ 6.5 V, I(VCC2) = -250...10 mA,
VB ≥ 12 V, I(VCC2) = -300...10 mA,
VB ≥ 24 V, I(VCC2) = -350...10 mA
2.375 2.5
603 Vr(VCC2) Transmission Ratio of external V(VCC2) =
0.2
Voltage Divider R(VCC2/CFG2) / (1 + R(VCC2/CFG2) / R(CFG2/GNDA)) *
R(CFG2/GNDA)
V(RREF),
R(VCC2/CFG2) + R(CFG2/GNDA) =
10 kΩ...50 kΩ ±1 %, V(VCC2) = 1.5...5.5 V
604 CVCC2
Required Capacitor at VCC2
versus GNDA
tolerance ±30 %
1
4.7
605 RiCVCC2 Permissible Internal Resistance
of Capacitor at VCC2
606 VCC2,lir Line Regulation
I(VCC2) = -100 mA, VB = 8...30 V
-20
607 VCC2,lor Load Regulation
VB = 24 V, I(VCC2) = 0...200 mA
-20
608 VCC2rip Output Ripple
I(VCC2) = -100mA
10
Max.
7
5.25
3.465
3.5
1
20
20
3.465
2.625
3.5
1
20
20
Unit
MHz
V
V
µF
Ω
mV
mV
mVpp
V
V
µF
Ω
mV
mV
mVpp