BTS707 Просмотр технического описания (PDF) - Siemens AG
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BTS707 Datasheet PDF : 12 Pages
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Parameter and Conditions, each of the two channels Symbol
at Tj = 25 °C, Vbb = 12 V unless otherwise specified
BTS 707
Values
Unit
min typ max
Turn-on time
to 90% VOUT:
Turn-off time
to 10% VOUT:
RL = 12 Ω, Vbb = 20 V, Tj =-40...+150°C
Slew rate on
10 to 30% VOUT, RL = 12 Ω, Vbb = 20 V,
Tj =-40...+150°C:
Slew rate off
70 to 40% VOUT, RL = 12 Ω, Vbb = 20 V,
Tj =-40...+150°C:
ton
toff
dV/dton
-dV/dtoff
15
-- 80 µs
20
-- 70
--
--
6 V/µs
--
--
7 V/µs
Operating Parameters
Operating voltage4)
Tj =-40...+150°C: Vbb(on)
5.8
-- 58 V
Undervoltage shutdown
Tj =-40...+150°C: Vbb(under)
2.7
-- 4.7 V
Undervoltage restart
Tj =-40...+150°C: Vbb(u rst)
--
-- 4.9 V
Undervoltage restart of charge pump
Vbb(ucp)
see diagram page 11
Tj =-40...+150°C:
-- 5.6 7.5 V
Undervoltage hysteresis
∆Vbb(under) = Vbb(u rst) - Vbb(under)
Overvoltage protection5)
I bb = 40 mA
∆Vbb(under)
Tj =-40...+150°C: Vbb(AZ)
-- 0.4
65 70
-- V
-- V
Standby current, all channels off
VIN = 0
Ibb(off)
Tj =150°C:
-- 20 70 µA
--
Operating current 6), VIN = 5V, Tj =-40...+150°C
IGND = IGND1 + IGND2,
one channel on: IGND
two channels on:
-- 2.2
-- 4.4
-- mA
--
Protection Functions
Initial peak short circuit current limit, (see timing
diagrams, page 9)
each channel, Tj =-40°C: IL(SCp)
--
-- 19 A
Tj =25°C:
-- 10
--
Tj =+150°C:
4.0
--
--
two parallel channels
twice the current of one channel
Output clamp (inductive load switch off)7)
at VON(CL) = Vbb - VOUT
Thermal overload trip temperature
Thermal hysteresis
VON(CL)
Tjt
∆Tjt
59
-- 75 V
150
--
-- 10
-- °C
-- K
4) At supply voltage increase up to Vbb = 5.6 V typ without charge pump, VOUT ≈Vbb - 2 V
5) see also VON(CL) in circuit diagram on page 7.
6) Add IST, if IST > 0
7) If channels are connected in parallel, output clamp is usually accomplished by the channel with the lowest
VON(CL)
Semiconductor Group
4
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