MB3825A
s ELECTRICAL CHARACTERISTICS
(VCC = VCC (O) = +6 V, Ta = +25°C)
Parameter
Symbol Pin No.
Conditions
Value
Unit
Min Typ Max
Reference voltage
VREF
27
1.485 1.500 1.515 V
Reference
voltage
block
Output voltage
temperature stability
Input stability
Load stability
∆VREF
/VREF
Line
Load
27 Ta = −30 °C to +85 °C 0.5* %
27 VCC = 2.5 V to 12 V
2
10 mV
27 VREF = 0 mA to −1 mA
2
10 mV
Short-circuit output
current
IOS
27 VREF = 2 V
−10 −6 −1 mA
Under
voltage
lockout
protection
circuit
block
(U.V.L.O)
Threshold voltage
Hysteresis width
Reset voltage
VTH
VH
VRST
46
VCC =
46
46
2.1 V
0.1 V
1.8 2.0 V
Soft-start Input standby voltage VSTB
26
block
Charge current
ICS
26
50 100 mV
−1.4 −1.0 −0.6 µA
Short
Threshold voltage
VTH
23
circuit
Input standby voltage VSTB
23
detection Input latch voltage
VI
23
block
Input source current
ICSCP
23
0.65 0.70 0.75 V
50 100 mV
50 100 mV
−1.4 −1.0 −0.6 µA
Oscillator frequency
fOSC
46, 50,
56, 57,
64, 4
CT = 100 pF,
RT = 39 kΩ
450 500 550 kHz
Triangular
wave
oscillator
block
Frequency stability for
voltage
∆f/fdv
46, 50,
56, 57, VCC = 2.5 V to 12 V
64, 4
1
10 %
Frequency stability for
temperature
∆f/fdt
46, 50,
56, 57, Ta = −30 °C to +85 °C
64, 4
1*
%
* : Standard design value.
(Continued)
11