AMS2263 데이터 시트보기 (PDF) - Advanced Monolithic Systems Inc

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AMS2263

highly integrated current mode PWM control IC

Advanced Monolithic Systems Inc 

AMS 2263

VTH_0D

VTH_PL

TD_PL

ZFB_IN

DC_MAX

Zero Duty Cycle FB Threshold

Voltage

Power Limiting FB Threshold

Voltage

Power limiting Debounce Time

Input Impedance

Maximum Duty Cycle

Current Sense Input(Sense Pin)

T_blanking

Leading edge blanking time

ZSENSE_IN

TD_OC

VTH_OC

Input Impedance

OCP Control Delay

Over Current Threshold Voltage at

zero Duty Cycle

Oscillator

FOSC

∆f_Temp

Normal Oscillation Frequency

Frequency Temperature Stability

∆f_VDD

Frequency Voltage Stability

RI_range

V_RI_open

Fosc_BM

Operating RI Range

RI open load voltage

Burst Mode Base Frequency

Gate Drive Output

VOL

Output Low Level

VOH

Output High Level

V_Clamp

Output Clamp Voltage Level

T_r

Output Rising Time

T_f

Output Falling Time

Frequency Shuffling

∆f_OSC

Frequency Modulation range

/Base frequency

f_shuffling

Shuffling Frequency

VDD = 16V,

RI=100Kohm

0.75 V

3.7

V

47

6

VDD=18V,RI=100Kohm,

75

FB=3V, CS=0

mSec

Kohm

%

RI = 100 Kohm

GATE with 1nF to GND

FB=3.3V, RI=100 Kohm

330

40

120

0.70 0.75

ns

Kohm

nSec

0.80 V

RI = 100 Kohm

60

VDD = 16V,

RI=100Kohm, TA -20oC

to 85 oC

VDD = 12-25V,

RI=100Kohm

50

VDD = 16V,

RI = 100Kohm

65 70 KHZ

5

%

5

%

100 150 Kohm

2

V

22

KHZ

VDD = 16V, Io = -20 mA

VDD = 16V, Io = 20 mA 10

VDD = 16V, CL = 1nf

VDD = 16V, CL = 1nf

0.8 V

V

18

V

200

nSec

70

nSec

RI=100K

-3

3%

RI=100K

64

HZ

5

Advanced Monolithic Systems http://www.ams-semitech.com

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