TDA3608Q Datasheet, PDF (10/20 Pages) NXP Semiconductors – Multiple voltage regulator with switch

Philips Semiconductors
Multiple voltage regulator with switch
Preliminary specification
TDA3608Q
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
V_d
drop-out voltage
I_REG2 = 100 mA;
V_P = 4.75 V; note 6
−
0.4
I_REG2 = 200 mA;
V_P = 5.75 V; note 6
−
0.8
I_REG2 = 100 mA;
V_BU = 4.75 V; note 10
−
0.2
I_REG2 = 200 mA;
V_BU = 5.75 V; note 10
−
0.8
I_m
current limit
V_REG2 > 4.5 V; note 7
0.32 0.37
I_sc
short-circuit current
R_L ≤ 0.5 Ω; note 8
20 100
Regulator 3 (I_REG3 = 5 mA unless otherwise specified)
V_O(off)
V_O
∆V
∆V_L
I_q
SVRR
output voltage off
output voltage
line regulation
load regulation
quiescent current
supply voltage ripple
rejection
1 mA ≤ I_REG3 ≤ 400 mA
7 V ≤ V_P ≤ 18 V
7 V ≤ V_P ≤ 18 V
1 mA ≤ I_REG3 ≤ 400 mA
I_REG3 = 400 mA
f_i = 3 kHz; V_i(p-p) = 2 V
V_d
drop-out voltage
I_REG3 = 400 mA;
V_P = 5.75 V; note 6
I_m
current limit
V_REG3 > 4.5 V; note 7
I_sc
short-circuit current
R_L ≤ 0.5 Ω; note 8
−
1
4.75 5.0
4.75 5.0
−
2
−
20
−
15
60 70
−
1
0.45 0.70
100 400
Power switch
V_d
drop-out voltage
I_SW = 1 A; note 11
−
0.45
I_SW = 1.8 A; note 11
−
1.0
I_dc
continuous current
V_P = 16 V, V_SW = 13.5 V
1.8 2.0
V_cl
clamping voltage
V_P ≥ 17 V
13.5 15.0
I_M
peak current
V_P = 17 V; notes 12 and 13 3
−
V_fb
fly back voltage behaviour I_SW = −100 mA
−
V_P + 3
I_sc
short-circuit current
V_P = 14.4 V; V_SW < 1.2 V;
0.8
note 13
Back-up switch
I_dc
continuous current
V_cl
clamping voltage
I_r
reverse current
0.3
V_P ≥ 16.7 V
−
V_P = 0; V_BU = 12.4 V; note 14 −
0.35
−
−
MAX.
0.6
1.2
0.5
1.0
−
−
400
5.25
5.25
50
50
40
−
1.5
−
0.7
1.8
−
16.0
−
22
−
−
16
900
UNIT
V
V
V
V
A
mA
mV
V
V
mV
mV
mA
dB
V
A
mA
V
V
A
V
A
V
A
A
V
mA
1997 Aug 14
10