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MB3817 Datasheet, PDF (6/29 Pages) Fujitsu Component Limited. – Switching Regulator Controller
MB3817
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Pin
no.
Condition
Reference
section (Ref)
Output voltage
Output temperature
stability
Input stability
Load stability
Short circuit output
current
VREF
∆VREF/
VREF
Line
Load
IOS
16
—
16 Ta = –40°C to +85°C
16 VCC = 2.5 V to 18 V
16 IOR = 0 mA to –1 mA
16 VREF = 1 V
Under voltage
lockout
protection
section (UVLO)
Threshold voltage
Hysteresis width
Reset voltage
Threshold voltage
Soft start section
(CS)
Input standby
voltage
Charge current
Threshold voltage
Short circuit
Input standby
detection section voltage
(SCP)
Input latch voltage
Input source current
Oscillator frequency
Triangular
waveform
Frequency voltage
oscillator section stability
(OSC)
Frequency
temperature stability
VTH
VTL
VH
VR
VT0
VT100
VSTB
ICHG
VTH
VSTB
VI
II
fOSC
∆f/fdv
∆f/fdt
13 VCC =
13 VCC =
13
—
13
—
10 Duty cycle = 0 %
10 Duty cycle = 100 %
13
—
13
—
14
—
14
—
14
—
14
—
10
CT = 330 pF
RT = 6.2 kΩ
10 VCC = 3.6 V to 16 V
10 Ta = –40°C to +85°C
* : Standard design value.
Min.
1.47
—
—
—
–10
—
1.5
0.1
0.6
0.9
—
—
–1.4
0.60
—
—
–1.4
450
—
—
(VCC = 6 V, Ta = +25°C)
Value
Typ.
Unit
Max.
1.50 1.53 V
0.5*
—%
2
10 mV
2
10 mV
–5
–2 mA
2.0
2.3 V
1.8
—
V
0.2
—
V
1.0
—
V
1.0
—
V
1.4
1.5 V
50
100 mV
–1.0 –0.6 µA
0.65 0.70 V
50
100 mV
50
100 mV
–1.0 –0.6 µA
500
550 kHz
1
10 %
1*
—%
(Continued)
6