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ST735SCD-TR Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza ST735SCD-TR
Descripción Electrónicos  300kHz, -5V/ADJ INVERTING, NEGATIVE OUTPUT CURRENT-MODE PWM REGULATOR
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST735SCD-TR Datasheet(HTML) 5 Page - STMicroelectronics

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ST735S/ST735T
5/11
ELECTRICAL CHARACTERISTICS OF ST735T (Refer to test circuit, VIN=5V, CIN =4.7µF, COUT =10µF
all X7R ceramic, L = 4.7
µH (Note1) , I
OUT=0mA, VO adjusted to -5V, Tamb = -40 to 125°C, unless otherwise
specified. Typical value are referred at Tamb= 25°C)
Note 1: Utilize of 6.8
µH permits to reach higher current capability at the same operating conditions
Note2: Guaranteed by design, but not tested in production
Note3 : Tested at IVREF = 125µA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIN
Input Voltage
3.5
9
V
VO
Output Voltage
VIN = 4.5V to 6.2V IOUT = 0 to 200mA
Tamb= -40 to 125°C
-5.25
-5
-4.75
V
VIN = 4.0V to 6.2V IOUT = 0 to 175mA
Tamb= -40 to 125°C
-5.25
-5
-4.75
V
IO
Output Current
VIN = 4.5V to 6.2V Tamb= 0 to 125°C
200
275
mA
VIN = 4.5V to 6.2V IOUT = 0 to 175mA
Tamb= -40 to 125°C
175
mA
VIN = 4.0V
VOUT = -5V
175
mA
ISUPPLY Supply Current
Includes Switch Current
0.8
1.6
mA
ISTANDBY Standby Current
VSHDN =0V
1
10
µA
ISC
Short Circuit Current
VIN = 5V
0.9
A
IPEAK
LX Max Peak Current
(Note 2)
1.5
A
VLO
Undervoltage Lock-out
3.5
4
V
∆V
OUT
Line Regulation
VIN = 4.0V to 6.2V
0.1
%/V
∆V
OUT
Load Regulation
IOUT = 0 to 200mA
0.003
%/mA
VREF
Reference Voltage
Tamb=25°C (Note 3)
1.225
V
∆V
REF
Reference Drift
Tamb= -40 to 125°C
50
ppm/°C
RDSON
LX ON Voltage
0.5
ILEAK
LX Leakage Current
VDS = 10V
1
µA
ISH
Shutdown Pin Current
1
µA
VIL
Shutdown Input Low
Threshold
0.25
V
VIH
Shutdown Input High
Threshold
2V
fOSC
Maximum Oscillator
Frequency
300
KHz
ν
Efficency
IOUT = 100mA
72
%
RCC
Compensation Pin
Impedance on CC Pin
7.5
K


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