MB39A104
6
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ELECTRICAL CHARACTERISTICS
(VCC = VCCO = 12 V, VREF = 0 mA, Ta = +25 °C)
(Continued)
Parameter
Symbol
Pin No Conditions
Value
Unit
Min Typ Max
1.Reference
voltage
block [REF]
Output voltage VREF 17 Ta = +25 °C 4.95 5.00 5.05 V
Output voltage
temperature
variation
∆V
REF/
V
REF
17 Ta = 0 °C to +85 °C 0.5* %
Input stability Line 17 VCC = 7 V to 19 V 310mV
Load stability Load 17 VREF = 0 mA to −1 mA 110mV
Short-cuircuit
output current
I
OS 17 VREF = 1 V −50 −25 −12 mA
2.Under
voltage lockout
protection circuit
block [UVLO]
Threshold
voltage
V
TLH 17 VREF = 2.6 2.8 3.0 V
V
THL 17 VREF = 2.4 2.6 2.8 V
Hysteresis
width
V
H 17 0.2 * V
3.Short-circuit
detection block
[SCP Logic]
Threshold
voltage
V
TH 8 0.68 0.73 0.78 V
Input source
current
I
CSCP 8 −1.4 −1.0 −0.6 µA
Reset voltage V
RST 17 VREF = 2.4 2.6 2.8 V
4.Short-circuit
detection block
[SCP Comp]
Threshold
voltage
V
TH 8 2.8 3.1 3.4 V
5.Triangular
wave oscillator
block
[OSC]
Oscillation
frequency
f
OSC 13 CT = 100 pF, RT = 24 kΩ 450 500 550 kHz
Frequency
temperature
variation
∆f
OSC/
f
OSC
13 Ta = 0 °C to +85 °C 1* %
6.Soft-
start
block
[CS1, CS2]
Charge current ICS 11, 14 CS1 = CS2 = 0 V −14 −10 −6 µA
7.Error amplifier
bolck
[Error Amp1,
Error Amp2]
Threshold
voltage
V
TH 9, 16 FB1 = FB2 = 2 V 1.227 1.240 1.253 V
Input bias
current
I
B 10, 15 −INE1 = −INE2 = 0 V −120 −30 nA
Voltage gain A
V 9, 16 DC 100* dB
