UM5237 Datasheet, PDF (3/6 Pages) Unisonic Technologies – 3-TERMINAL ADJUSTABLE REGULATOR

UM5237
Preliminary
LINEAR INTEGRATED CIRCUIT
 ABSOLUTE MAXIMUM RATING (T_A=25°C, unless otherwise noted)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
V_IN
30
V
Drive Current
I_D
30
mA
Input/Output Voltage Difference
V_IN -V_OUT
28
V
Internal Power Dissipation
P_D
500
mW
Operating Temperature
T_OPR
-20~+75
°C
Storage Temperature
T_STG
-55~+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.
 RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage Range
Output Voltage Range
SYMBOL
V_IN
V_OUT
 ELECTRICAL CHARACTERISTICS
RATINGS
3.5~30
1.5~25
UNIT
V
V
Test circuit (a) is used with T_A=25°C, V_I=15V, V_O=12V, I_L=200mA, C_REF=1μA, R₁=4.3KΩ
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Input Voltage
V_IN
Between Pin 1 and Pin 2
3.5
Output Voltage
V_OUT R₂≈0.82~108KΩ
1.5
Minimum Input/Output Voltage
Difference
V_IN -V_OUT
Reference Voltage
V_REF Between Pin 2 and Pin 3
1.2
Input Voltage Regulation
Loading Voltage Regulation
R_eg-in
R_eg-L
V_I=15~20V
I_L=10~200mA
Bias Current
I_B
I_L=0 (disregarding the current in
resistors R₁, R₂)
Output Voltage Thermal Coefficient
Ripple Rejection
TC_VO
RR
T_A=0~75°C
f=120Hz
measured with circuit (b)
Output Noise Voltage
V_NO f=20Hz~100KHZ
TYP MAX UNIT
30 V
28 V
0.2
V
1.26 1.32 V
0.02 0.1 %/V
0.02 0.1 %
1.7 3.0 mA
0.02
%/°C
68
dB
25
μVrms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-040.c