UPS4602_15 Datasheet, PDF (5/10 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

UPS4602
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS (Ta＝25°C, V_CC=15V, unless otherwise specified)
PARAMETER
SUPPLY SECTION
Start Up Current
Supply Current with switch
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
Min. Operating Voltage
Hysteresis
INTERNAL VOLTAGE REFERENCE
Reference Voltage
CONTROL SECTION
Feedback Source Current
V_FB Operating Level
Burst-Mode Out FB Voltage
Reduce-Frequency end FB Voltage
Burst-Mode Enter FB Voltage
Switching frequency
Normal initial
Power-Saving
Duty Cycle
Frequency Hopping
Frequency Variation VS V_CC Deviation
Frequency Variation VS Temperature Deviation
Soft-Start Time
PROTECTION SECTION
OVP threshold
OLP threshold
SYMBOL
I_ST
I_OP
V_THD(ON)
V_CC(MIN)
V_CC(HY)
V_REF
I_FB
V_FBMAX
V_FB(OUT)
V_FB(END)
V_FB(IN)
F_(SW)
D_MAX
F_J(SW)
F_DV
F_DT
T_SOFTS
V_OVP
V_FB(OLP)
Delay Time Of OLP
T_D-OLP
OTP Threshold
CURRENT LIMITING SECTION
Leading Edge Blanking Time
Peak Current Limitation
Threshold Voltage For Valley
POWER MOS-TRANSISTOR SECTION
Drain-Source Breakdown Voltage
Turn-on voltage between gate and source
Drain-Source Diode Continuous Source Current
Static Drain-Source On-State Resistance
T_(THR)
t_LEB
V_CS
V_SENSE-L
V_DSS
V_TH
I_S
R_DS(ON)
Rise Time
t_R
Fall Time
t_F
Notes: 1. Pulse Test: Pulse width≤300μs, Duty cycle≤2%
2. Essentially independent of operating temperature
TEST CONDITIONS
V_CC = V_THD(ON)-1V
V_FB= 4V
Guarantee by design
V_FB=0
V_CS =0
V_CS =0
V_CS =0
V_FB = 4V
Before enter burst mode
V_FB=4V, V_CS=0
V_CC=10 to 20V
T=-25 to 105°C
V_FB=4V
V_CS=0
C_FB=47nF(From V_FB=3.7V
to Drain OFF)
V_FB=4V
V_FB=4V
V_GS=0V, I_D=250μA
V_DS=V_GS, I_D=250μA
V_GS=10V,I_D=2.25A
V_DD =300V, I_D =4.0A
RG=25Ω (Note 1,2)
MIN
13.5
7.5
6.3
45
20
64
±2.5
2
35
120
270
0.88
650
2
TYP
22
8
14.2
8.2
6
6.5
1.1
1.1
1.2
0.9
50
72
±4
4
23
3.7
65
135
350
0.95
0.75
45
35
MAX UNIT
45 μA
10 mA
15 V
9
V
V
6.7 V
mA
3.5 V
V
V
V
55 kHz
30 kHz
80 %
±5.5 kHz
5%
5%
6 ms
V
V
95
ms
155 °C
450 nS
1.03 V
V
V
4
V
2
A
5
Ω
100 ns
80 ns
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R119-019.A