ZXGD3101T8_15 Datasheet, PDF (3/14 Pages) Diodes Incorporated – Synchronous rectifier controller for flyback converters.

Electrical characteristics at T_A = 25°C;
V_CC = 10V; R_BIAS = 1.8kΩ; R_REF=3kΩ
Parameter
Symbol
Conditions
Input and supply characteristics
Operating current
I_OP
Gate Driver
Turn-off Threshold
Voltage^(**)
V_T
V_G(off)
GATE output voltage ^(**)
V_DRAIN ≤ -200m V
V_DRAIN ≥ 0V
V_G = 1V, ^(*)
V_DRAIN ≥ 0V, ^(*)
V_DRAIN = -60mV, ^(†)
V_DRAIN = -80mV, ^(†)
V_G
V_DRAIN = -100mV, ^(†)
V_DRAIN ≤ -140mV, ^(†)
V_DRAIN ≤ -200mV, ^(†)
GATEH peak source current ^I_SOURCE ^V_GH ^{= 1V}
GATEL peak sink current
Turn on Propagation delay
Turn off Propagation delay
Gate rise time
Gate fall time
I_SINK
t_d1
t_d2
t_r
t_f
V_GL = 5V
C_L = 2.2nF, ^{(†) (a)}
NOTES:
(**) GATEH connected to GATEL
(*) R_H = 100KΩ, R_L = 0/C
(†) R_L = 100KΩ, R_H = 0/C
(a) (Refer to Fig 4; Test circuit and Fig 5; Timing diagram on page 11
ZXGD3101T8
Min. Typ. Max. Unit
-
3
-
8
-
mA
-
-45 -16 0 mV
- 0.6
1
5.0 7.5
-
7.0 8.5
-
V
8.4 9
-
9.2 9.4
-
9.3 9.5
-
2.5
-
A
2.5
-
A
525
ns
15
ns
305
ns
20
ns
Issue 4 - January 2009
3
© Diodes Incorporated 2009
www.zetex.com
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