LR9203DL-12-AF5-R datasheet(5/9 Pages) UTC

5 / 9 page

LR9203

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 9

www.unisonic.com.tw

QW-R102-082.b



ELECTRICAL CHARACTERISTICS (Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

CIRCUITS MIN

TYP

MAX

UNIT

UTC LR9203P Type

2.0V>VOUT (T) (Note 3),

IOUT=10mA

-0.02

(Note 4)

VOUT(T)

+0.02

(Note 4)

Output Voltage

VOUT (E)

(Note 2)

2.0V≤VOUT (T), IOUT=10mA

×0.99

(Note 4)

×1.01

(Note 4)

Maximum

Output

Current

IOUTMAX

500

Load Regulation

∆VOUT

0.1mA≤IOUT≤300mA

Dropout Voltage (Note 5)

IOUT=300mA

E-1 (Note 8)

Supply Current

ISS

VIN=6.0V, IOUT=0mA

μA

Line Regulation

∆VOUT/

(∆VIN·VOUT)

VOUT (T)+0.5V≤VIN≤6.0V,

IOUT=30mA

E-2 (Note 9)

%/V

Input Voltage

VIN

6.0

Output Voltage

Temperature

Characteristics

∆VOUT/

(∆TOPR·VOUT)

IOUT=30mA, -40°C≤TOPR≤85°C

±30

ppm/°C

VOUT (T)≤4.75V,

VIN={VOUT (T)+1.0} VDC+0.5Vp-pAC,

IOUT=30mA, f=1kHz

Power Supply Rejection

Ratio

PSRR

VOUT (T)≥4.80V,

VIN=5.75VDC+0.5Vp-pAC,

IOUT=30mA, f=1kHz

Current Limit

ILIM

510

630

750

Short-circuit Current

ISHORT

Short VOUT to VSS level

120

210

Thermal Shutdown

Detect Temperature

TTSD

Junction Temperature

150

°C

Thermal Shutdown

Hysteresis Width

THYS

TTSD-TTSR

°C

Notes: 1. Unless otherwise stated regarding input voltage conditions, VIN=VOUT (T) (Note 3)+1.0V.

2. VOUT (E): Effective output voltage (i.e. the output voltage when “VOUT (T) +1.0V” is provided at the VIN pin

while maintaining a certain IOUT value.)

3. VOUT (T): Nominal output voltage.

4. Characteristics of the actual VOUT (E) by setting output voltage is shown in the voltage chart.

5. VD=VIN1 (Note 7)-VOUT1 (Note 6)

6. VOUT1 is a voltage equal to 98% of the output voltage whenever an amply stabilized IOUT {VOUT (T)+1.0V} is

input.

7. VIN1 is an input voltage when VOUT1 appears at the VOUT pin while the input voltage is gradually decreased.

8. E-1: DROPOUT VOLTAGE (Refer to Voltage Chart.)

9. E-2: LINE REGULATION (Refer to Voltage Chart.)

10. This function is built in the UTC LR9203D series only. The UTC LR9203P series discharges by only

R1+R2 resistors as shown in the block diagrams.

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