UPS3652 Datasheet, PDF (3/9 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE POWER SWITCH

UPS3652
LINEAR INTEGRATED CIRCUIT
 ABSOLUTE MAXIMUM RATING (T_A=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
V_CC
30
V
Input Voltage to FB Pin
V_FB
-0.3 ~ 6.5
V
Input Voltage to CS Pin
V_CS
-0.3 ~ 6.5
V
Junction Temperature
T_J
+150
°C
Operating Temperature
T_OPR
-40 ~ +125
°C
Storage Temperature
T_STG
-50 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 OPERATING RANGE
PARAMETER
Supply Voltage
SYMBOL
V_CC
RATINGS
8.6 ~ 22
 ELECTRICAL CHARACTERISTICS (T_A＝25°C, V_CC=15V, unless otherwise specified)
UNIT
V
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
Duty Cycle
Normal initial
Power-Saving
Frequency Hopping
Frequency Variation VS V_CC Deviation
Frequency Variation VS Temperature Deviation
Soft-Start Time
PROTECTION SECTION
OVP threshold
OLP threshold
Delay Time Of OLP
OTP Threshold
CURRENT LIMITING SECTION
Leading Edge Blanking Time
Peak Current Limitation
Threshold Voltage For Valley
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)
T_D-OLP
T_(THR)
t_LEB
V_CS
V_SENSE-L
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
MIN
13.5
7.5
6.3
45
20
64
±2.5
2
35
120
270
0.88
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
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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 9
QW-R119-021.B