MB3778 Datasheet, PDF (7/29 Pages) Fujitsu Component Limited. – Switching Regulator Controller

MB3778
s ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Reference Block
Output Voltage
VREF
Output Temp. Stability
VRTC
Input Stability
Line
Load Stability
Load
Short Circuit Output Current
IOS
Under Voltage Lockout Protection Block
VtH
Threshold Voltage
VtL
Hysteresis Width
VHYS
Reset Voltage (VCC)
VR
Protection Circuit Block (S.C.P.)
Input Thresold Voltage
VtPC
Input Stand by Voltage
VSTB
Input Latch Voltage
VIN
Input Source Current
Ibpc
Comparator Threshold Voltage
VtC
Triangular Waveform Oscillator Block
Oscillator Frequency
fOSC
Frequency Deviation
fdev
Frequency Stability (VCC)
fdV
Frequency Stability (Ta)
fdT
Dead-Time Control Block (D.T.C.)
Input Bias Current
Ibdt
Latch Mode Sink Current
Idt
Latch Input Voltage
Vdt
Condition
IOR = −1 mA
Ta = −30 °C to +85 °C
VCC = 3.6 V to 18 V
IOR = −0.1 mA to −1 mA
VREF = 2 V
IOR = −0.1 mA
IOR = −0.1 mA
IOR = −0.1 mA


No pull up
No pull up

Pin 5, Pin 12
CT = 330 pF, RT = 15 kΩ
CT = 330 pF, RT = 15 kΩ
VCC = 3.6 V to 18 V
Ta = −30 °C to +85 °C

Vdt = 2.5 V
Idt = 100 µA
Min.
2.41
−2


−30


80
1.5
0.60


−1.4

160


−4

150

(Ta = 25 °C, VCC = 6 V)
Value
Unit
Typ. Max.
2.46 2.51
V
±0.2
2
%
2
10
mV
1
7.5 mV
−10
−3
mA
2.72

V
2.60

V
120

mV
1.9

V
0.65 0.70
V
50
100 mV
50
100 mV
−1.0 −0.6 µA
2.1

V
200
240 kHz
±5

%
±1

%

+4
%
0.2
1
µA
500

µA

0.3
V
7