UC3750G-XX-AF5-R UTC [Unisonic Technologies], UC3750G-XX-AF5-R Datasheet - Page 5

• Manufacturer Part Number: UC3750G-XX-AF5-R
• Description: 600kHZ PWM/PFM STEP-DOWN DC-DC CONTROLLER
• Manufacturer: UTC [Unisonic Technologies]

UC3750
UC3750-33(3.3V)
TOTAL DEVICE
Input Voltage
Output Voltage
Input Current into V
Operating Current
Off-State Current
OSCILLATOR
Frequency
Maximum Duty Cycle
Switchover ON Time Threshold (Note)
Soft-Start Delay Time (Note)
Protection Delay Time
OUTPUT DRIVE (EXT)
EXT “H” Output Current
EXT “L” Output Current
EXT “L-H” Rise Time
EXT “H-L” Fall Time
EXT “L-H” Rise Time
EXT “H-L” Fall Time
CE (CE)
CE “H” Input Voltage
CE “L” Input Voltage
CE “H” Input Current
CE “L” Input Current
Under-Voltage Lockout
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
Notes: 1. PWM/PFM Switchover ON Time Threshold min/max guaranteed by design only.
ELECTRICAL CHARACTERISTICS
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
PARAMETER
OUT
Pin
V
SYMBOL
UVLO(HYS)
I
T
V
I(VOUT)
V
F
D
V
I
I
V
I
T
I
I
T
EXTH
Preliminary
V
EXTL
I
PORT
T
T
CEH
UVLO
OFF
T
T
CEL
OSC
OUT
MAX
CEH
DD
CEL
ON
SS
IN
R
R
F
F
I
V
(No External Components)
V
Auto Restart
V
V
C
C
C
C
V
V
LOAD
IN
IN
EXT
EXT
IN
IN
LOAD
LOAD
LOAD
CLOAD
=5.0V, V
= 5.0V, V
=V
=5.0V, V
=V
= 0.4 V
= 0mA, Ta = 25°C
TEST CONDITIONS
= 1000pF,V
= 1000pF, V
= 5.0nF, V
CE
= 5.0nF, V
IN
=5.0V
-0.4V
CE
CE
CE
=5.0 V
=0V
= 0V, Ta = 25°C
IN
IN
IN
IN
= 5.0V
= 5.0V
= 5.0V
= 5.0V
3.234
2.45
1.60
MIN
510
100
167
-0.5
-0.5
1.3
5.0V
TYP MAX UNIT
0.15
2.20
600
320
100
140
3.3
2.5
0.3
8.0
8.0
-60
50
65
40
90
50
0
QW-R502-360.a
CMOS IC
3.366
5.50
2.40
690
500
4.0
0.5
0.3
0.5
0.5
80
5 of 9
kHz
mS
mS
mA
mA
mV
μA
μA
μA
μA
μA
nS
nS
nS
nS
nS
%
V
V
V
V
V