tb62217afg TOSHIBA Semiconductor CORPORATION, tb62217afg Datasheet - Page 41

• Manufacturer Part Number: tb62217afg
• Description: Pwm Drive Stepping Motor Driver / Brush Dc Motor Driver Selectable, Dc-dc Converter And Reset Function Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

DC-DC Converter Block Electrical Characteristics
Reset Block Electrical Characteristics DC (T
Output voltage error
DC-DC converter output-off
leakage current
On-state resistance between
output transistor drain and source
(large DCDC Unit: Ach)
On-state resistance between
output transistor drain and source
(small DCDC Unit: B, Cch)
Current limiter value (steady state)
Current limiter value (starting)
Abnormal-voltage protection circuit
OSC_D capacitor value
Feedback voltage
C_SELECT voltage
POR output voltage for VM supply
voltage detection
ORT signal output current
ORT output pin voltage
Characteristics
Characteristics
RON (DS) A1
RON (DS) A2
(ALL, Down)
DC (large)
DC (small)
DC (large)
DC (small)
RON (DS)
RON (DS)
VSD (LU)
VSD (LL)
VSD (U)
(ALL, Up)
IOL_DC
ILIM (S)
ILIM (S)
VSD (L)
Cosc_D
Vort (H)
Symbol
ILIM (L)
ILIM (L)
Symbol
Vort (L)
VC_sel
' Vout
VFB
V
V
I
BC1
BC2
RST
MR
MR
Circuit
Circuit
Test
Test
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC

VM
T
0.5 mA~600 mA (large)
0.5 mA~300 mA (small)
DCDC output
VM
VM
Iout
direction
Iout
direction
Iout
direction
Iout
direction
In reference to the set voltage.
The current limiter is inactive.
In reference to the set voltage.
The current limiter is active.
External capacitor value
DC/DC A, B, Cch All OFF
DC/DC A, Bch ON
DC/DC Bch, Cch ON
Rising side.
All functions change from OFF to
ON.
Falling side.
All functions change from ON to
OFF.
Reset pin voltage = 0.4 V
Pulled up to 3.3 V with an external
resistance of 1 k :
j
41
0~120°C
6.5 V~40 V
40 V, upper side
40 V, lower side
300 mA, T
300 mA, T
150 mA, T
150 mA, T
j
Test Condition
Test Condition
0 to 120°C an d VM
(T
1.5 to 5 V



j
j
j
j
j
25 q C, reverse
105 q C, reverse
25 q C, reverse
105 q C, reverse
0 to 120° C and VM
 7.0


1.25
 30
 40
 30
 20
Min
Min
0.8
0.5
0.2
0.2
4.5
5.2
5.2
3.2
47






2
0
7 to 40 V)
Typ.
Typ.
 40
 30
 40
 15
120
0.7
0.9
1.4
1.8
1.2
0.6
0.3
0.3
1.5
2.5
5.0
TB62217AFG







0
0
7 to 40 V)
2004-11-12
Max
0.84
0.85
3.75
Max
 50
 20
 50
7.0
0.1
0.1
1.1
1.7
2.2
1.6
0.4
0.4
0.8
6.0
6.0
0.4
 5





Unit
Unit
mA
P A
pF
%
%
%
:
:
A
A
V
V
V
V