DataSheet.es GM38C44 Hoja de datos PDF


PDF GM38C44 Datasheet ( Hoja de datos )

Número de pieza GM38C44
Descripción (GM38C42 - GM38C45) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
Fabricantes Gamma 
Logotipo Gamma Logotipo
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GM38C44 datasheet

1 Page

GM38C44 pdf
ELECTRICAL CHARACTERISTICS
(TA = -40°C to 85°C, Note 4, VDD = 15V, CT=3.3 nF, RT=11kW, unless otherwise noted )
CHARACTERISTICS
TEST CONDITIONS
Output Section
RDS(ON) High
RDS(ON) Low
Rise Time
Fall Time
Undervoltage Lockout Section
ISOURCE = 200mA
ISINK = 200mA
TA = 25°C, CL = 1nF
TA = 25°C, CL = 1nF
Start Threshold
GM38C42, GM38C44
GM38C43, GM38C45
Minimum Operating Voltage
GM38C42, GM38C44
GM38C43, GM38C45
PWM Section
Maximum Duty Cycle
GM38C42, GM38C43
GM38C44, GM38C45
Minimum Duty Cycle
Total Standby Current
Start - Up Current
Operating Supply Current
Zener Voltage (VDD)
VDD = 13V for GM38C42, GM38C44
VDD = 7.5V for GM38C43, GM38C45
VFB = VISNS = 0V
IDD = 25 mA, Note 6
MIN
13.5
7.8
8
7.0
94
46
30
TYP
20
11
40
30
14.5
8.4
9
7.6
96
50
50
4
37
MAX UNIT
W
80 ns
60 ns
15.5
V
9.0
10
V
8.2
%
0%
200
µA
6 mA
V
Note 1: These parameters, although guaranteed, are not 100% tested in production.
Note 2: Parameter measured at trip point of latch with VEA = 0.
Note 3: Gain defined as:
A=
DVPIN1
VTH (ISNS)
;0
VTH (ISNS) 0.8V
Note 4: Adjust VDD above the start threshold before setting at 15V.
Note 5: Output frequency equals oscillator frequency for the GM38C42 and GM38C43. Output frequency for the
GM38C44, and GM38C45 equals one half the oscillator frequency.
Note 6: On 8-pin version, 18V is maximum input on pin 7, as this is also the supply pin for the output stage.
5

5 Page

GM38C44 arduino
ORDERING NUMBER
GM 38 C 4X S8 R
Gamma Micro.
Circuit Type
Shipping
T: Tube
R: Tape & Reel
BiCOMS Process
Package
S8: SOP-8
D8: DIP-8
10

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Número de piezaDescripciónFabricantes
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GM38C44(GM38C42 - GM38C45) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERSGamma
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GM38C45(GM38C42 - GM38C45) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERSGamma
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