TDA4862 Datasheet, PDF (12/18 Pages) Siemens Semiconductor Group – Power-Factor Controller PFC IC for High Power Factor and Active Harmonic Filter

TDA 4862
Electrical Characteristics (cont’d)
Unless otherwise stated, V_CC = 12 V, – 40 °C < T_j < 150 °C.
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ.
max.
Multiplier
Input bias current
Dynamic voltage range
MULTIN
V_AOUT
Multiplier gain ¹⁾
I_BMULTIN
V_MULTIN
V_VAOUT
K
–1 –
– µA
0 to 3 0 to 4 – V
V_FB to V_FB to
–
V
V_FB + 1 V_FB + 1.5
0.45 0.65
0.85 1/V
–
V_VAOUT = 2.75 V
V_MULTIN = 1.0 V
V_MULTIN = 2 V
V_VAOUT = V_FB + 1 V
Restart Timer
Restart time delay
t_DLY
75
190
400 µs –
Gate Driver
Output voltage low state V_GTDRVL –
0.8
1.8
Output voltage high
V – _GTDRVH
9.4
state
8.7
Output voltage active V – _GTDRVU
2.0
shut down
Rise time ²⁾
Fall time ²⁾
t_r
–
t_f
–
1) _{K = VISENSE / (VMULTIN × (VVAOUT – VFB))}
2) _{not subject to production test - verified by design}
100
40
–V
V
–V
2.6 V
––
––
I_GTDRV = 20 mA
I_GTDRV = 200 mA
I_GTDRV = – 20 mA
I_GTDRV = – 200 mA
I_GTDRV = 50 mA
V_CC increasing:
0 < V_CC < V_CCH,
V_CC decreasing:
0 < V_CC < V_CCL
C_GTDRV = 1 nF
C_GTDRV = 1 nF
12
2005-02-17